Provider, United States # Anthropic models > Anthropic's highest-ranked model is Claude Fable 5.1, #2 on the Noometry Index as of October 2026. Noometry tracks 28 Anthropic models. Benchmarks, prices and context windows for every Anthropic model. - Canonical page: https://noometry.com/providers/anthropic - Last updated: 2026-10-10 - Title: Anthropic AI Models Ranked (October 2026) | Noometry Anthropic's highest-ranked model is Claude Fable 5.1, #2 on the Noometry Index as of October 2026. Noometry tracks 28 Anthropic models. Last verified October 10, 2026 [www.anthropic.com](https://www.anthropic.com)[API pricing](https://noometry.com/llm-pricing/anthropic) 28 models Anthropic models | | | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 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 | | 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 | — | | 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 | | 19 | 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 | | 20 | 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 | | 29 | 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 | — | | 47 | 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 | | 50 | 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 | — | | 52 | 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 | — | | 81 | 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 | | 100 | 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 | | 142 | 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 | — | | 145 | 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 | | 164 | Anthropic [Claude 3.7 Sonnet](https://noometry.com/models/claude-3-7-sonnet) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 39.5 | — | — | — | — | | 165 | 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 | — | | 231 | Anthropic [Claude 3.5 Sonnet](https://noometry.com/models/claude-3-5-sonnet) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 34.6 | — | — | — | — | | 310 | Anthropic [Claude 3 Opus](https://noometry.com/models/claude-3-opus) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 29.5 | — | — | — | — | | 315 | Anthropic [Claude 3.5 Haiku](https://noometry.com/models/claude-3-5-haiku) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 29.2 | — | — | — | — | | 319 | Anthropic [Claude 3 Sonnet](https://noometry.com/models/claude-3-sonnet) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 29.0 | — | — | — | — | | 340 | Anthropic [Claude 3 Haiku](https://noometry.com/models/claude-3-haiku) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 25.9 | — | — | — | 41 | | 345 | Anthropic [Claude 2.1](https://noometry.com/models/claude-2-1) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 25.2 | — | — | — | — | | 346 | Anthropic [Claude 2](https://noometry.com/models/claude-2) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | 25.0 | — | — | — | — | | | Anthropic [Claude 1.3](https://noometry.com/models/claude-1-3) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | Not ranked | — | — | — | — | | | Anthropic [Claude Instant](https://noometry.com/models/claude-instant) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | Not ranked | — | — | — | — | | | Anthropic [Claude Mythos Preview](https://noometry.com/models/claude-mythos-preview) | [Anthropic](https://noometry.com/providers/anthropic) | Proprietary | — | Not ranked | — | — | — | — | ## Anthropic's best vs other flagships - [Claude Fable 5.1 vs Qwen3.8 Max](https://noometry.com/compare/claude-fable-5-1-vs-qwen3-8-max) - [Claude Fable 5.1 vs GPT-6 Astra](https://noometry.com/compare/claude-fable-5-1-vs-gpt-6-astra) - [Claude Fable 5.1 vs Gemini 3.8 Flash](https://noometry.com/compare/claude-fable-5-1-vs-gemini-3-8-flash) - [Claude Fable 5.1 vs Muse Spark 1.3](https://noometry.com/compare/claude-fable-5-1-vs-muse-spark-1-3) - [Claude Fable 5.1 vs Mistral Large 4](https://noometry.com/compare/claude-fable-5-1-vs-mistral-large-4) - [Claude Fable 5.1 vs DeepSeek V4 Pro](https://noometry.com/compare/claude-fable-5-1-vs-deepseek-v4-pro) ## Frequently asked questions ### What is the best Anthropic model? Anthropic's highest-ranked model is Claude Fable 5.1, #2 on the Noometry Index as of October 2026. Noometry tracks 28 Anthropic models. ### What is the cheapest Anthropic model? Claude Haiku 5.5 has the lowest input price among Anthropic models we track: $0.10 per million input tokens and $0.50 per million output tokens.