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.
Last verified
28 models
| 2 | Anthropic Claude Fable 5.1 | Anthropic | Proprietary | 1M | 69.0 | $10 | $50 | 3.45 | — |
| 3 | Anthropic Claude Opus 5.5 | Anthropic | Proprietary | 1M | 68.6 | $4 | $20 | 8.57 | — |
| 4 | Anthropic Claude Opus 5 | Anthropic | Proprietary | 1M | 67.8 | $5 | $25 | 6.78 | — |
| 5 | Anthropic Claude Fable 5 | Anthropic | Proprietary | 1M | 66.8 | $10 | $50 | 3.34 | 25 |
| 10 | Anthropic Claude Sonnet 5.5 | Anthropic | Proprietary | 1M | 61.9 | $2 | $10 | 15.5 | — |
| 13 | Anthropic Claude Opus 4.8 | Anthropic | Proprietary | 1M | 60.7 | $5 | $25 | 6.07 | 34 |
| 19 | Anthropic Claude Opus 4.7 | Anthropic | Proprietary | 1M | 58.3 | $5 | $25 | 5.83 | 33 |
| 20 | Anthropic Claude Opus 4.6 | Anthropic | Proprietary | 1M | 58.2 | $5 | $25 | 5.82 | 19 |
| 29 | Anthropic Claude Sonnet 5 | Anthropic | Proprietary | 1M | 54.6 | $2 | $10 | 13.7 | — |
| 47 | Anthropic Claude Opus 4.5 | Anthropic | Proprietary | 200K | 50.5 | $5 | $25 | 5.05 | 13 |
| 50 | Anthropic Claude Sonnet 4.6 | Anthropic | Proprietary | 1M | 50.3 | $3 | $15 | 8.38 | — |
| 52 | Anthropic Claude Haiku 5.5 | Anthropic | Proprietary | 1M | 49.5 | $0.10 | $0.50 | 247 | — |
| 81 | Anthropic Claude Sonnet 4.5 | Anthropic | Proprietary | 200K | 44.1 | $3 | $15 | 7.35 | 85 |
| 100 | Anthropic Claude Opus 4 | Anthropic | Proprietary | 200K | 43.1 | $15 | $75 | 1.44 | 29 |
| 142 | Anthropic Claude Opus 4.1 | Anthropic | Proprietary | 200K | 41.0 | $15 | $75 | 1.37 | — |
| 145 | Anthropic Claude Sonnet 4 | Anthropic | Proprietary | 200K | 40.8 | $3 | $15 | 6.79 | 31 |
| 164 | Anthropic Claude 3.7 Sonnet | Anthropic | Proprietary | — | 39.5 | — | — | — | — |
| 165 | Anthropic Claude Haiku 4.5 | Anthropic | Proprietary | 200K | 39.5 | $1 | $5 | 19.8 | — |
| 231 | Anthropic Claude 3.5 Sonnet | Anthropic | Proprietary | — | 34.6 | — | — | — | — |
| 310 | Anthropic Claude 3 Opus | Anthropic | Proprietary | — | 29.5 | — | — | — | — |
| 315 | Anthropic Claude 3.5 Haiku | Anthropic | Proprietary | — | 29.2 | — | — | — | — |
| 319 | Anthropic Claude 3 Sonnet | Anthropic | Proprietary | — | 29.0 | — | — | — | — |
| 340 | Anthropic Claude 3 Haiku | Anthropic | Proprietary | — | 25.9 | — | — | — | 41 |
| 345 | Anthropic Claude 2.1 | Anthropic | Proprietary | — | 25.2 | — | — | — | — |
| 346 | Anthropic Claude 2 | Anthropic | Proprietary | — | 25.0 | — | — | — | — |
| Anthropic Claude 1.3 | Anthropic | Proprietary | — | Not ranked | — | — | — | — | |
| Anthropic Claude Instant | Anthropic | Proprietary | — | Not ranked | — | — | — | — | |
| Anthropic Claude Mythos Preview | Anthropic | Proprietary | — | Not ranked | — | — | — | — |
Anthropic's best vs other flagships
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.