Type ranking

# Best Proprietary LLMs in October 2026

> Best Proprietary LLMs: As of October 2026, GPT-6 Astra leads the Noometry Index with a score of 70.8, ahead of Claude Fable 5.1 at 69.0. 138 models ranked with sources.
- Canonical page: https://noometry.com/best/proprietary
- Last updated: 2026-10-10
- Title: Best Proprietary LLMs (October 2026) | Noometry

As of October 2026, GPT-6 Astra leads the Noometry Index with a score of 70.8, ahead of Claude Fable 5.1 at 69.0.

Last verified October 10, 2026

Models available only through an API or app.

Best Proprietary LLMs: top 10

1.  GPT-6 Astra 70.8
2.  Claude Fable 5.1 69.0
3.  Claude Opus 5.5 68.6
4.  Claude Opus 5 67.8
5.  Claude Fable 5 66.8
6.  GPT-6.1 Sol 65.6
7.  GPT-5.6 Sol 65.0
8.  GPT-5.5 Pro 64.3
9.  GPT-5.5 63.4
10.  Claude Sonnet 5.5 61.9
11.  5560657075

## Full ranking

   138 models

Best Proprietary LLMs
|  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | OpenAI [GPT-6 Astra](https://noometry.com/models/gpt-6-astra) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 70.8 | $10 | $50 | 3.54 | — |
| 2 | Anthropic [Claude Fable 5.1](https://noometry.com/models/claude-fable-5-1) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 1M | 69.0 | $10 | $50 | 3.45 | — |
| 3 | Anthropic [Claude Opus 5.5](https://noometry.com/models/claude-opus-5-5) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 1M | 68.6 | $4 | $20 | 8.57 | — |
| 4 | Anthropic [Claude Opus 5](https://noometry.com/models/claude-opus-5) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 1M | 67.8 | $5 | $25 | 6.78 | — |
| 5 | Anthropic [Claude Fable 5](https://noometry.com/models/claude-fable-5) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 1M | 66.8 | $10 | $50 | 3.34 | 25 |
| 6 | OpenAI [GPT-6.1 Sol](https://noometry.com/models/gpt-6-1-sol) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 65.6 | $2 | $10 | 16.4 | — |
| 7 | OpenAI [GPT-5.6 Sol](https://noometry.com/models/gpt-5-6-sol) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 65.0 | $4 | $20 | 8.12 | 10 |
| 8 | OpenAI [GPT-5.5 Pro](https://noometry.com/models/gpt-5-5-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 64.3 | $30 | $180 | 0.95 | — |
| 9 | OpenAI [GPT-5.5](https://noometry.com/models/gpt-5-5) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 63.4 | $5 | $30 | 5.63 | 25 |
| 10 | Anthropic [Claude Sonnet 5.5](https://noometry.com/models/claude-sonnet-5-5) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 1M | 61.9 | $2 | $10 | 15.5 | — |
| 11 |  ![](/logos/google.svg) Google [Gemini 3.8 Flash](https://noometry.com/models/gemini-3-8-flash) | [Google](https://noometry.com/providers/google) | Proprietary | 1.05M | 61.8 | $0.75 | $3.75 | 41.2 | — |
| 12 | OpenAI [GPT-6 Sol](https://noometry.com/models/gpt-6-sol) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 61.8 | $2 | $10 | 15.4 | — |
| 13 | Anthropic [Claude Opus 4.8](https://noometry.com/models/claude-opus-4-8) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 1M | 60.7 | $5 | $25 | 6.07 | 34 |
| 14 |  ![](/logos/google.svg) Google [Gemini 3.7 Flash](https://noometry.com/models/gemini-3-7-flash) | [Google](https://noometry.com/providers/google) | Proprietary | 1.05M | 59.8 | $0.75 | $3.75 | 39.9 | — |
| 15 | OpenAI [GPT-5.4](https://noometry.com/models/gpt-5-4) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 59.4 | $2.50 | $15 | 10.6 | 12 |
| 16 | OpenAI [GPT-5.6 Terra](https://noometry.com/models/gpt-5-6-terra) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 59.2 | $2 | $12 | 13.1 | 11 |
| 17 | OpenAI [GPT-5.4 Pro](https://noometry.com/models/gpt-5-4-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 58.9 | $30 | $180 | 0.87 | — |
| 18 | Anthropic [Claude Opus 4.7](https://noometry.com/models/claude-opus-4-7) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 1M | 58.3 | $5 | $25 | 5.83 | 33 |
| 19 | Anthropic [Claude Opus 4.6](https://noometry.com/models/claude-opus-4-6) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 1M | 58.2 | $5 | $25 | 5.82 | 19 |
| 20 | xAI [Grok 4.6](https://noometry.com/models/grok-4-6) | [xAI](https://noometry.com/providers/xai) | Proprietary | 500K | 56.9 | $2 | $6 | 19 | — |
| 21 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen3.8 Max](https://noometry.com/models/qwen3-8-max) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | 1M | 56.8 | $2 | $6 | 18.9 | — |
| 22 |  ![](/logos/google.svg) Google [Gemini 3.1 Pro Preview](https://noometry.com/models/gemini-3-1-pro-preview) | [Google](https://noometry.com/providers/google) | Proprietary | 1.05M | 56.7 | $2 | $12 | 12.6 | — |
| 23 | xAI [Grok 4.5](https://noometry.com/models/grok-4-5) | [xAI](https://noometry.com/providers/xai) | Proprietary | 500K | 55.0 | $2 | $6 | 18.3 | 4 |
| 24 |  ![](/logos/meta.svg) Meta [Muse Spark 1.3](https://noometry.com/models/muse-spark-1-3) | [Meta](https://noometry.com/providers/meta) | Proprietary | 1.05M | 54.8 | $1.25 | $4.25 | 27.4 | — |
| 25 |  ![](/logos/google.svg) Google [Gemini 3 Pro](https://noometry.com/models/gemini-3-pro) | [Google](https://noometry.com/providers/google) | Proprietary | — | 54.8 | — | — | — | 1 |
| 26 | Anthropic [Claude Sonnet 5](https://noometry.com/models/claude-sonnet-5) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 1M | 54.6 | $2 | $10 | 13.7 | — |
| 27 | OpenAI [GPT-5.6 Luna](https://noometry.com/models/gpt-5-6-luna) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 54.6 | $0.20 | $1.20 | 121 | 12 |
| 28 |  ![](/logos/google.svg) Google [Gemini 3.5 Flash](https://noometry.com/models/gemini-3-5-flash) | [Google](https://noometry.com/providers/google) | Proprietary | 1.05M | 54.2 | $1.50 | $9 | 16.1 | — |
| 29 |  ![](/logos/google.svg) Google [Gemini 3.6 Flash](https://noometry.com/models/gemini-3-6-flash) | [Google](https://noometry.com/providers/google) | Proprietary | 1.05M | 54.1 | $0.75 | $3.75 | 36.1 | — |
| 30 | OpenAI [GPT-5.2](https://noometry.com/models/gpt-5-2) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | 54.1 | $1.75 | $14 | 11.2 | 15 |
| 31 | OpenAI [GPT-6 Luna](https://noometry.com/models/gpt-6-luna) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 53.3 | $0.10 | $0.50 | 266 | — |
| 32 | xAI [Grok 4.7](https://noometry.com/models/grok-4-7) | [xAI](https://noometry.com/providers/xai) | Proprietary | 500K | 53.1 | $2 | $6 | 17.7 | — |
| 33 | OpenAI [GPT-5.2 Pro](https://noometry.com/models/gpt-5-2-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | 52.3 | $21 | $168 | 0.91 | — |
| 34 |  ![](/logos/google.svg) Google [Gemini 3 Flash Preview](https://noometry.com/models/gemini-3-flash-preview) | [Google](https://noometry.com/providers/google) | Proprietary | 1.05M | 52.3 | $0.50 | $3 | 46.5 | — |
| 35 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen3.7 Max](https://noometry.com/models/qwen3-7-max) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | 1M | 51.5 | $2.50 | $7.50 | 13.7 | — |
| 36 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen3.6 Max Preview](https://noometry.com/models/qwen3-6-max-preview) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | 262K | 51.5 | $1.30 | $7.80 | 17.6 | — |
| 37 | OpenAI [GPT-5](https://noometry.com/models/gpt-5) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | 50.9 | $1.25 | $10 | 14.8 | 2 |
| 38 |  ![](/logos/meta.svg) Meta [Muse Spark](https://noometry.com/models/muse-spark) | [Meta](https://noometry.com/providers/meta) | Proprietary | — | 50.6 | — | — | — | — |
| 39 | Anthropic [Claude Opus 4.5](https://noometry.com/models/claude-opus-4-5) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 200K | 50.5 | $5 | $25 | 5.05 | 13 |
| 40 |  ![](/logos/meta.svg) Meta [Muse Spark 1.2](https://noometry.com/models/muse-spark-1-2) | [Meta](https://noometry.com/providers/meta) | Proprietary | 1.05M | 50.3 | $1.25 | $4.25 | 25.2 | — |
| 41 | Anthropic [Claude Sonnet 4.6](https://noometry.com/models/claude-sonnet-4-6) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 1M | 50.3 | $3 | $15 | 8.38 | — |
| 42 |  ![](/logos/meta.svg) Meta [Muse Spark 1.1](https://noometry.com/models/muse-spark-1-1) | [Meta](https://noometry.com/providers/meta) | Proprietary | 1.05M | 49.9 | $1.25 | $4.25 | 25 | — |
| 43 | Anthropic [Claude Haiku 5.5](https://noometry.com/models/claude-haiku-5-5) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 1M | 49.5 | $0.10 | $0.50 | 247 | — |
| 44 | OpenAI [GPT-5.1](https://noometry.com/models/gpt-5-1) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | 49.0 | $1.25 | $10 | 14.3 | — |
| 45 | xAI [Grok 4.20 (Non-Reasoning)](https://noometry.com/models/grok-4-20) | [xAI](https://noometry.com/providers/xai) | Proprietary | 1M | 48.6 | $1.25 | $2.50 | 31.1 | 61 |
| 46 | xAI [Grok 4](https://noometry.com/models/grok-4) | [xAI](https://noometry.com/providers/xai) | Proprietary | — | 48.1 | — | — | — | 1 |
| 47 |  ![](/logos/stepfun.svg) StepFun [Step 5 Preview](https://noometry.com/models/step-5-preview) | [StepFun](https://noometry.com/providers/stepfun) | Proprietary | 1.02M | 47.9 | $1 | $2.70 | 33.6 | — |
| 48 | OpenAI [o3](https://noometry.com/models/o3) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 200K | 47.5 | $2 | $8 | 13.6 | 3 |
| 49 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen3.6 Plus](https://noometry.com/models/qwen3-6-plus) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | 1M | 47.5 | $0.50 | $3 | 42.2 | — |
| 50 | OpenAI [GPT-5 Pro](https://noometry.com/models/gpt-5-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | 46.4 | $15 | $120 | 1.12 | 5 |
| 51 | xAI [Grok 4.20 Multi-Agent](https://noometry.com/models/grok-4-20-multi-agent) | [xAI](https://noometry.com/providers/xai) | Proprietary | 1M | 46.2 | $1.25 | $2.50 | 29.6 | — |
| 52 | OpenAI [GPT-5.3 Codex](https://noometry.com/models/gpt-5-3-codex) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | 45.8 | $1.75 | $14 | 9.52 | — |
| 53 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen3.7 Plus](https://noometry.com/models/qwen3-7-plus) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | 1M | 45.3 | $0.40 | $1.60 | 64.8 | — |
| 54 |  ![](/logos/google.svg) Google [Gemini 2.5 Pro](https://noometry.com/models/gemini-2-5-pro) | [Google](https://noometry.com/providers/google) | Proprietary | 1.05M | 45.0 | $1.25 | $10 | 13.1 | 5 |
| 55 | OpenAI [GPT-5.4 mini](https://noometry.com/models/gpt-5-4-mini) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | 45.0 | $0.75 | $4.50 | 26.6 | 10 |
| 56 | Anthropic [Claude Sonnet 4.5](https://noometry.com/models/claude-sonnet-4-5) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 200K | 44.1 | $3 | $15 | 7.35 | 85 |
| 57 | Z.ai (Zhipu) [GLM-5V-Turbo](https://noometry.com/models/glm-5v-turbo) | [Z.ai (Zhipu)](https://noometry.com/providers/zai) | Proprietary | 200K | 43.8 | $1.20 | $4 | 23 | — |
| 58 | xAI [Grok 4.3](https://noometry.com/models/grok-4-3) | [xAI](https://noometry.com/providers/xai) | Proprietary | 1M | 43.8 | $1.25 | $2.50 | 28 | — |
| 59 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen3 Max](https://noometry.com/models/qwen3-max) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | 262K | 43.7 | $1.20 | $6 | 18.2 | 48 |
| 60 | Xiaomi [MiMo-V2-Omni](https://noometry.com/models/mimo-v2-omni) | [Xiaomi](https://noometry.com/providers/xiaomi) | Proprietary | 262K | 43.6 | $0.14 | $0.28 | 249 | — |
| 61 |  ![](/logos/bytedance.svg) ByteDance Seed [Seed 2.0 Pro](https://noometry.com/models/dola-seed-2-0-pro) | [ByteDance Seed](https://noometry.com/providers/bytedance) | Proprietary | 256K | 43.2 | $0.50 | $3 | 38.4 | — |
| 62 |  ![](/logos/mistral.svg) Mistral AI [Mistral Large 4](https://noometry.com/models/mistral-large-4) | [Mistral AI](https://noometry.com/providers/mistral) | Proprietary | 1.05M | 43.1 | $0.68 | $2.09 | 41.7 | — |
| 63 | Anthropic [Claude Opus 4](https://noometry.com/models/claude-opus-4) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 200K | 43.1 | $15 | $75 | 1.44 | 29 |
| 64 | Xiaomi [MiMo-V2-Pro](https://noometry.com/models/mimo-v2-pro) | [Xiaomi](https://noometry.com/providers/xiaomi) | Proprietary | 1.05M | 43.0 | $0.43 | $0.87 | 79 | — |
| 65 | OpenAI [o3-pro](https://noometry.com/models/o3-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 200K | 42.9 | $20 | $80 | 1.23 | 1 |
| 66 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen3.5 Plus](https://noometry.com/models/qwen3-5-plus) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | 1M | 42.9 | $0.40 | $2.40 | 47.6 | — |
| 67 | OpenAI [GPT-5.3 Chat](https://noometry.com/models/gpt-5-3-chat) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 128K | 42.8 | $1.75 | $14 | 8.88 | — |
| 68 | OpenAI [GPT-5.5 Instant](https://noometry.com/models/gpt-5-5-instant) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | — | 42.7 | — | — | — | — |
| 69 | OpenAI [GPT-5.2 Codex](https://noometry.com/models/gpt-5-2-codex) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | 42.6 | $1.75 | $14 | 8.84 | — |
| 70 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen3.5-Flash](https://noometry.com/models/qwen3-5-flash) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | 1M | 42.5 | $0.10 | $0.40 | 243 | — |
| 71 |  ![](/logos/deepseek.svg) DeepSeek [DeepSeek-R1](https://noometry.com/models/deepseek-r1) | [DeepSeek](https://noometry.com/providers/deepseek) | Proprietary | 164K | 42.3 | $0.50 | $2.15 | 46.4 | 10 |
| 72 |  ![](/logos/upstage.svg) Upstage [Solar Pro4](https://noometry.com/models/solar-pro4) | [Upstage](https://noometry.com/providers/upstage) | Proprietary | 524K | 42.1 | $0.30 | $1.20 | 80.2 | — |
| 73 | OpenAI [GPT-5.4 nano](https://noometry.com/models/gpt-5-4-nano) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | 41.9 | $0.20 | $1.25 | 90.6 | 19 |
| 74 | OpenAI [GPT-5 Mini](https://noometry.com/models/gpt-5-mini) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | 41.8 | $0.25 | $2 | 60.9 | 3 |
| 75 | OpenAI [o4-mini](https://noometry.com/models/o4-mini) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 200K | 41.6 | $1.10 | $4.40 | 21.6 | 6 |
| 76 |  ![](/logos/google.svg) Google [Gemini 3.5 Flash Lite](https://noometry.com/models/gemini-3-5-flash-lite) | [Google](https://noometry.com/providers/google) | Proprietary | 1.05M | 41.5 | $0.30 | $2.50 | 48.8 | — |
| 77 | xAI [Grok 4.1](https://noometry.com/models/grok-4-1) | [xAI](https://noometry.com/providers/xai) | Proprietary | — | 41.5 | — | — | — | — |
| 78 | xAI [Grok 4.1 Fast](https://noometry.com/models/grok-4-1-fast) | [xAI](https://noometry.com/providers/xai) | Proprietary | 128K | 41.4 | $0.20 | $0.50 | 150 | — |
| 79 | xAI [Grok-3 mini](https://noometry.com/models/grok-3-mini) | [xAI](https://noometry.com/providers/xai) | Proprietary | — | 41.2 | — | — | — | 10 |
| 80 | Anthropic [Claude Opus 4.1](https://noometry.com/models/claude-opus-4-1) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 200K | 41.0 | $15 | $75 | 1.37 | — |
| 81 | OpenAI [o1](https://noometry.com/models/o1) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 200K | 40.9 | $15 | $60 | 1.56 | — |
| 82 |  ![](/logos/google.svg) Google [Gemini 3.1 Flash Lite](https://noometry.com/models/gemini-3-1-flash-lite) | [Google](https://noometry.com/providers/google) | Proprietary | 1.05M | 40.8 | $0.25 | $1.50 | 72.5 | 10 |
| 83 | Anthropic [Claude Sonnet 4](https://noometry.com/models/claude-sonnet-4) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 200K | 40.8 | $3 | $15 | 6.79 | 31 |
| 84 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen2.5-Max](https://noometry.com/models/qwen2-5-max) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | — | 40.7 | — | — | — | — |
| 85 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen3.7 Flash](https://noometry.com/models/qwen3-7-flash) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | 1M | 39.9 | $0.03 | $0.13 | 726 | — |
| 86 | xAI [Grok 3](https://noometry.com/models/grok-3) | [xAI](https://noometry.com/providers/xai) | Proprietary | — | 39.9 | — | — | — | 42 |
| 87 | Amazon [Nova 2 Lite](https://noometry.com/models/nova-2-lite) | [Amazon](https://noometry.com/providers/amazon) | Proprietary | 1M | 39.7 | $0.30 | $2.50 | 46.7 | — |
| 88 | Anthropic [Claude 3.7 Sonnet](https://noometry.com/models/claude-3-7-sonnet) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 39.5 | — | — | — | — |
| 89 | Anthropic [Claude Haiku 4.5](https://noometry.com/models/claude-haiku-4-5) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | 200K | 39.5 | $1 | $5 | 19.8 | — |
| 90 | xAI [Grok 4 Fast](https://noometry.com/models/grok-4-fast) | [xAI](https://noometry.com/providers/xai) | Proprietary | — | 39.4 | — | — | — | 577 |
| 91 |  ![](/logos/google.svg) Google [Gemini 2.5 Flash](https://noometry.com/models/gemini-2-5-flash) | [Google](https://noometry.com/providers/google) | Proprietary | 1.05M | 39.3 | $0.30 | $2.50 | 46.2 | 152 |
| 92 |  ![](/logos/google.svg) Google [Gemini 2.0 Pro](https://noometry.com/models/gemini-2-0-pro) | [Google](https://noometry.com/providers/google) | Proprietary | — | 39.1 | — | — | — | — |
| 93 | Inception [Mercury 2](https://noometry.com/models/mercury-2) | [Inception](https://noometry.com/providers/inception) | Proprietary | 128K | 39.1 | $0.25 | $0.75 | 104 | — |
| 94 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen3.6 Flash](https://noometry.com/models/qwen3-6-flash) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | 1M | 38.8 | $0.19 | $1.13 | 91.9 | — |
| 95 | OpenAI [GPT-5.1-Codex](https://noometry.com/models/gpt-5-1-codex) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | 38.6 | $1.25 | $10 | 11.2 | — |
| 96 |  ![](/logos/perplexity.svg) Perplexity [Sonar](https://noometry.com/models/sonar) | [Perplexity](https://noometry.com/providers/perplexity) | Proprietary | 128K | 38.5 | $1 | $1 | 38.5 | — |
| 97 | Amazon [Nova Premier 1.0](https://noometry.com/models/nova-premier-1-0) | [Amazon](https://noometry.com/providers/amazon) | Proprietary | 1M | 38.3 | $2.50 | $12.50 | 7.67 | 9 |
| 98 | OpenAI [GPT-5-Codex](https://noometry.com/models/gpt-5-codex) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | 37.9 | $1.25 | $10 | 11 | 95 |
| 99 |  ![](/logos/google.svg) Google [Gemini 2.0 Flash-Lite](https://noometry.com/models/gemini-2-0-flash-lite) | [Google](https://noometry.com/providers/google) | Proprietary | — | 37.8 | — | — | — | — |
| 100 | xAI [Grok 2 Mini 2024 08 13](https://noometry.com/models/grok-2-mini) | [xAI](https://noometry.com/providers/xai) | Proprietary | — | 37.7 | — | — | — | — |
| 101 | OpenAI [GPT-4.5](https://noometry.com/models/gpt-4-5) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | — | 37.2 | — | — | — | — |
| 102 | 01.AI [Yi-Lightning](https://noometry.com/models/yi-lightning) | [01.AI](https://noometry.com/providers/01-ai) | Proprietary | — | 37.1 | — | — | — | — |
| 103 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen Plus](https://noometry.com/models/qwen-plus) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | 1M | 37.1 | $0.40 | $1.20 | 61.8 | 37 |
| 104 |  ![](/logos/google.svg) Google [Gemini 2.5 Flash-Lite](https://noometry.com/models/gemini-2-5-flash-lite) | [Google](https://noometry.com/providers/google) | Proprietary | 1.05M | 37.0 | $0.10 | $0.40 | 211 | 172 |
| 105 | OpenAI [o3-mini](https://noometry.com/models/o3-mini) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 200K | 36.7 | $1.10 | $4.40 | 19.1 | — |
| 106 | xAI [Grok Build 0.1](https://noometry.com/models/grok-build-0-1) | [xAI](https://noometry.com/providers/xai) | Proprietary | 256K | 36.4 | $1 | $2 | 29.1 | — |
| 107 | OpenAI [GPT-4.1](https://noometry.com/models/gpt-4-1) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 35.9 | $2 | $8 | 10.3 | 116 |
| 108 |  ![](/logos/google.svg) Google [Gemini 2.0 Flash (Feb 2025)](https://noometry.com/models/gemini-2-0-flash) | [Google](https://noometry.com/providers/google) | Proprietary | — | 35.1 | — | — | — | 92 |
| 109 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen Max](https://noometry.com/models/qwen-max) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | 33K | 34.7 | $1.60 | $6.40 | 12.4 | — |
| 110 | Anthropic [Claude 3.5 Sonnet](https://noometry.com/models/claude-3-5-sonnet) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 34.6 | — | — | — | — |
| 111 | OpenAI [o1-mini](https://noometry.com/models/o1-mini) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | — | 34.0 | — | — | — | — |
| 112 | xAI [Grok-2 (Dec 2024)](https://noometry.com/models/grok-2) | [xAI](https://noometry.com/providers/xai) | Proprietary | — | 33.7 | — | — | — | — |
| 113 | OpenAI [GPT-4.1 mini](https://noometry.com/models/gpt-4-1-mini) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 33.6 | $0.40 | $1.60 | 48.1 | 86 |
| 114 | OpenAI [GPT-5 Nano](https://noometry.com/models/gpt-5-nano) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | 33.5 | $0.05 | $0.40 | 244 | 4 |
| 115 | Inception [Mercury 2.5](https://noometry.com/models/mercury-2-5) | [Inception](https://noometry.com/providers/inception) | Proprietary | 260K | 33.5 | $0.04 | $0.15 | 496 | — |
| 116 | Amazon [Nova 2.0 Pro Preview](https://noometry.com/models/nova-2-0-pro-preview) | [Amazon](https://noometry.com/providers/amazon) | Proprietary | — | 33.4 | — | — | — | — |
| 117 |  ![](/logos/google.svg) Google [Gemini 1.5 Flash (May 2024)](https://noometry.com/models/gemini-1-5-flash) | [Google](https://noometry.com/providers/google) | Proprietary | — | 33.2 | — | — | — | — |
| 118 |  ![](/logos/google.svg) Google [Gemini 1.5 Pro (May 2024)](https://noometry.com/models/gemini-1-5-pro) | [Google](https://noometry.com/providers/google) | Proprietary | — | 32.1 | — | — | — | — |
| 119 | Amazon [Amazon Nova Lite](https://noometry.com/models/amazon-nova-lite) | [Amazon](https://noometry.com/providers/amazon) | Proprietary | 300K | 31.9 | $0.06 | $0.24 | 304 | — |
| 120 | OpenAI [o1-pro](https://noometry.com/models/o1-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 200K | 31.5 | $150 | $600 | 0.12 | — |
| 121 | Amazon [Amazon Nova Pro](https://noometry.com/models/amazon-nova-pro) | [Amazon](https://noometry.com/providers/amazon) | Proprietary | 300K | 31.0 | $0.80 | $3.20 | 22.1 | — |
| 122 |  ![](/logos/mistral.svg) Mistral AI [Codestral](https://noometry.com/models/codestral) | [Mistral AI](https://noometry.com/providers/mistral) | Proprietary | 256K | 30.6 | $0.30 | $0.90 | 68 | 271 |
| 123 | OpenAI [GPT-4 Turbo](https://noometry.com/models/gpt-4-turbo) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 128K | 30.5 | $10 | $30 | 2.03 | — |
| 124 | Amazon [Amazon Nova Micro](https://noometry.com/models/amazon-nova-micro) | [Amazon](https://noometry.com/providers/amazon) | Proprietary | 128K | 30.4 | $0.035 | $0.14 | 496 | — |
| 125 |  ![](/logos/google.svg) Google [Gemini 1.5 Flash 8B](https://noometry.com/models/gemini-1-5-flash-8b) | [Google](https://noometry.com/providers/google) | Proprietary | — | 29.9 | — | — | — | — |
| 126 | Anthropic [Claude 3 Opus](https://noometry.com/models/claude-3-opus) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 29.5 | — | — | — | — |
| 127 | Anthropic [Claude 3.5 Haiku](https://noometry.com/models/claude-3-5-haiku) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 29.2 | — | — | — | — |
| 128 | OpenAI [GPT-4](https://noometry.com/models/gpt-4) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 8K | 29.1 | $30 | $60 | 0.78 | — |
| 129 | Anthropic [Claude 3 Sonnet](https://noometry.com/models/claude-3-sonnet) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 29.0 | — | — | — | — |
| 130 | OpenAI [GPT-4o](https://noometry.com/models/gpt-4o) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 128K | 28.6 | $2.50 | $10 | 6.53 | — |
| 131 | OpenAI [GPT-4.1 nano](https://noometry.com/models/gpt-4-1-nano) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | 27.9 | $0.10 | $0.40 | 159 | 135 |
| 132 |  ![](/logos/google.svg) Google [Gemini 1.0 Pro](https://noometry.com/models/gemini-1-0-pro) | [Google](https://noometry.com/providers/google) | Proprietary | — | 27.3 | — | — | — | — |
| 133 |  ![](/logos/alibaba.svg) Alibaba (Qwen) [Qwen Turbo](https://noometry.com/models/qwen-turbo) | [Alibaba (Qwen)](https://noometry.com/providers/alibaba) | Proprietary | 1M | 27.1 | $0.05 | $0.20 | 310 | — |
| 134 | Anthropic [Claude 3 Haiku](https://noometry.com/models/claude-3-haiku) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 25.9 | — | — | — | 41 |
| 135 | OpenAI [GPT-4o mini](https://noometry.com/models/gpt-4o-mini) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 128K | 25.5 | $0.15 | $0.60 | 97.2 | 120 |
| 136 | Anthropic [Claude 2.1](https://noometry.com/models/claude-2-1) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 25.2 | — | — | — | — |
| 137 | Anthropic [Claude 2](https://noometry.com/models/claude-2) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 25.0 | — | — | — | — |
| 138 | OpenAI [GPT-3.5-turbo](https://noometry.com/models/gpt-3-5-turbo) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 16K | 23.2 | $0.50 | $1.50 | 31 | — |

Sponsored placements are available on pages like this one. [Advertise on Noometry](https://noometry.com/advertise)

## Compare the leaders

-   [GPT-6 Astra vs Claude Fable 5.1](https://noometry.com/compare/claude-fable-5-1-vs-gpt-6-astra)
-   [GPT-6 Astra vs Claude Opus 5.5](https://noometry.com/compare/claude-opus-5-5-vs-gpt-6-astra)
-   [GPT-6 Astra vs Claude Opus 5](https://noometry.com/compare/claude-opus-5-vs-gpt-6-astra)
-   [Claude Fable 5.1 vs Claude Opus 5.5](https://noometry.com/compare/claude-fable-5-1-vs-claude-opus-5-5)
-   [Claude Fable 5.1 vs Claude Opus 5](https://noometry.com/compare/claude-fable-5-1-vs-claude-opus-5)
-   [Claude Opus 5.5 vs Claude Opus 5](https://noometry.com/compare/claude-opus-5-vs-claude-opus-5-5)

## Related rankings

-   [Best AI Models Overall](https://noometry.com/best/overall)
-   [Best Open-Source LLMs](https://noometry.com/best/open-source)
-   [Best Reasoning Models](https://noometry.com/best/reasoning-models)
-   [Best Non-Reasoning LLMs](https://noometry.com/best/non-reasoning-models)
-   [Best New AI Models](https://noometry.com/best/newest)

## Frequently asked questions

### What is the best closed-source AI model?

As of October 2026, GPT-6 Astra leads the Noometry Index with a score of 70.8, ahead of Claude Fable 5.1 at 69.0.

### What are the top 5 in this ranking?

GPT-6 Astra, Claude Fable 5.1, Claude Opus 5.5, Claude Opus 5, Claude Fable 5, in that order, as of October 2026.

### How is this list ranked?

By the Noometry Index, which is fitted from every public benchmark result and adjusted for how hard each benchmark is. Models need several independent results to be ranked.

### Cite this page

Noometry. (2026). Best Proprietary LLMs. Retrieved October 10, 2026, from https://noometry.com/best/proprietary

Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/best/proprietary.md).