Provider, United States # OpenAI models > OpenAI's highest-ranked model is GPT-6 Astra, #1 on the Noometry Index as of October 2026. Noometry tracks 56 OpenAI models, 2 with open weights. Benchmarks, prices and context windows for every OpenAI model. - Canonical page: https://noometry.com/providers/openai - Last updated: 2026-10-10 - Title: OpenAI AI Models Ranked (October 2026) | Noometry OpenAI's highest-ranked model is GPT-6 Astra, #1 on the Noometry Index as of October 2026. Noometry tracks 56 OpenAI models, 2 with open weights. Last verified October 10, 2026 [openai.com](https://openai.com)[API pricing](https://noometry.com/llm-pricing/openai) 56 models OpenAI models | | | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 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 | — | | 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 | | 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 | — | | 16 | 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 | | 17 | 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 | | 18 | 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 | — | | 30 | 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 | | 34 | 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 | | 36 | 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 | — | | 39 | 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 | — | | 45 | 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 | | 53 | 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 | — | | 61 | OpenAI [o3](https://noometry.com/models/o3) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 200K | 47.5 | $2 | $8 | 13.6 | 3 | | 64 | 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 | | 69 | 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 | — | | 76 | 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 | | 82 | OpenAI [Chatgpt 4o Latest 20250326](https://noometry.com/models/chatgpt-4o) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | — | 43.8 | — | — | — | 21 | | 105 | OpenAI [o3-pro](https://noometry.com/models/o3-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 200K | 42.9 | $20 | $80 | 1.23 | 1 | | 109 | 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 | — | | 110 | OpenAI [GPT-5.5 Instant](https://noometry.com/models/gpt-5-5-instant) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | — | 42.7 | — | — | — | — | | 111 | 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 | — | | 125 | 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 | | 128 | 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 | | 132 | 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 | | 143 | OpenAI [o1](https://noometry.com/models/o1) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 200K | 40.9 | $15 | $60 | 1.56 | — | | 186 | 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 | — | | 192 | 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 | | 208 | OpenAI [GPT-4.5](https://noometry.com/models/gpt-4-5) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | — | 37.2 | — | — | — | — | | 212 | 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 | — | | 217 | OpenAI [gpt-oss-120b](https://noometry.com/models/gpt-oss-120b) | [OpenAI](https://noometry.com/providers/openai) | Open | 131K | 36.3 | $0.037 | $0.17 | 517 | 55 | | 219 | 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 | | 235 | OpenAI [o1-mini](https://noometry.com/models/o1-mini) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | — | 34.0 | — | — | — | — | | 240 | 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 | | 241 | 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 | | 255 | OpenAI [gpt-oss-20b](https://noometry.com/models/gpt-oss-20b) | [OpenAI](https://noometry.com/providers/openai) | Open | 131K | 32.5 | $0.018 | $0.09 | 903 | 96 | | 271 | OpenAI [o1-pro](https://noometry.com/models/o1-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 200K | 31.5 | $150 | $600 | 0.12 | — | | 292 | 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 | — | | 316 | OpenAI [GPT-4](https://noometry.com/models/gpt-4) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 8K | 29.1 | $30 | $60 | 0.78 | — | | 324 | OpenAI [GPT-4o](https://noometry.com/models/gpt-4o) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 128K | 28.6 | $2.50 | $10 | 6.53 | — | | 327 | 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 | | 343 | 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 | | 350 | 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 | — | | | OpenAI [GPT-4V](https://noometry.com/models/gpt-4v) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | — | Not ranked | — | — | — | — | | | OpenAI [GPT-5.1-Codex-mini](https://noometry.com/models/gpt-5-1-codex-mini) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 400K | Not ranked | $0.25 | $2 | — | — | | | OpenAI [GPT-5.3 Codex Spark](https://noometry.com/models/gpt-5-3-codex-spark) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 128K | Not ranked | $1.75 | $14 | — | — | | | OpenAI [GPT-5.6](https://noometry.com/models/gpt-5-6) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | Not ranked | $4 | $20 | — | — | | | OpenAI [GPT-5.6 Luna Pro](https://noometry.com/models/gpt-5-6-luna-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | Not ranked | $0.20 | $1.20 | — | — | | | OpenAI [GPT-5.6 Sol Pro](https://noometry.com/models/gpt-5-6-sol-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | Not ranked | $2 | $10 | — | — | | | OpenAI [GPT-5.6 Terra Pro](https://noometry.com/models/gpt-5-6-terra-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | Not ranked | $2 | $12 | — | — | | | OpenAI [GPT-6.1 Sol Pro](https://noometry.com/models/gpt-6-1-sol-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | Not ranked | $2 | $10 | — | — | | | OpenAI [GPT-6 Astra Pro](https://noometry.com/models/gpt-6-astra-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | Not ranked | $10 | $50 | — | — | | | OpenAI [GPT-6 Luna Pro](https://noometry.com/models/gpt-6-luna-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | Not ranked | $0.10 | $0.50 | — | — | | | OpenAI [GPT-6 Sol Pro](https://noometry.com/models/gpt-6-sol-pro) | [OpenAI](https://noometry.com/providers/openai) | Proprietary | 1.05M | Not ranked | $2 | $10 | — | — | ## OpenAI's best vs other flagships - [GPT-6 Astra vs Qwen3.8 Max](https://noometry.com/compare/gpt-6-astra-vs-qwen3-8-max) - [GPT-6 Astra vs Gemini 3.8 Flash](https://noometry.com/compare/gemini-3-8-flash-vs-gpt-6-astra) - [GPT-6 Astra vs Claude Fable 5.1](https://noometry.com/compare/claude-fable-5-1-vs-gpt-6-astra) - [GPT-6 Astra vs Muse Spark 1.3](https://noometry.com/compare/gpt-6-astra-vs-muse-spark-1-3) - [GPT-6 Astra vs Mistral Large 4](https://noometry.com/compare/gpt-6-astra-vs-mistral-large-4) - [GPT-6 Astra vs DeepSeek V4 Pro](https://noometry.com/compare/deepseek-v4-pro-vs-gpt-6-astra) ## Frequently asked questions ### What is the best OpenAI model? OpenAI's highest-ranked model is GPT-6 Astra, #1 on the Noometry Index as of October 2026. Noometry tracks 56 OpenAI models, 2 with open weights. ### What is the cheapest OpenAI model? gpt-oss-20b has the lowest input price among OpenAI models we track: $0.018 per million input tokens and $0.09 per million output tokens.