Provider ranking
Best Anthropic Models in October 2026
As of October 2026, Claude Fable 5.1 leads the Noometry Index with a score of 69.0, ahead of Claude Opus 5.5 at 68.6. The two are close enough that new results could swap them.
Last verified
Every ranked Anthropic model, from the current flagship down.
- Claude Fable 5.1 69.0
- Claude Opus 5.5 68.6
- Claude Opus 5 67.8
- Claude Fable 5 66.8
- Claude Sonnet 5.5 61.9
- Claude Opus 4.8 60.7
- Claude Opus 4.7 58.3
- Claude Opus 4.6 58.2
- Claude Sonnet 5 54.6
- Claude Opus 4.5 50.5
Full ranking
| 1 | Anthropic Claude Fable 5.1 | Anthropic | Proprietary | 1M | 69.0 | $10 | $50 | 3.45 | — |
| 2 | Anthropic Claude Opus 5.5 | Anthropic | Proprietary | 1M | 68.6 | $4 | $20 | 8.57 | — |
| 3 | Anthropic Claude Opus 5 | Anthropic | Proprietary | 1M | 67.8 | $5 | $25 | 6.78 | — |
| 4 | Anthropic Claude Fable 5 | Anthropic | Proprietary | 1M | 66.8 | $10 | $50 | 3.34 | 25 |
| 5 | Anthropic Claude Sonnet 5.5 | Anthropic | Proprietary | 1M | 61.9 | $2 | $10 | 15.5 | — |
| 6 | Anthropic Claude Opus 4.8 | Anthropic | Proprietary | 1M | 60.7 | $5 | $25 | 6.07 | 34 |
| 7 | Anthropic Claude Opus 4.7 | Anthropic | Proprietary | 1M | 58.3 | $5 | $25 | 5.83 | 33 |
| 8 | Anthropic Claude Opus 4.6 | Anthropic | Proprietary | 1M | 58.2 | $5 | $25 | 5.82 | 19 |
| 9 | Anthropic Claude Sonnet 5 | Anthropic | Proprietary | 1M | 54.6 | $2 | $10 | 13.7 | — |
| 10 | Anthropic Claude Opus 4.5 | Anthropic | Proprietary | 200K | 50.5 | $5 | $25 | 5.05 | 13 |
| 11 | Anthropic Claude Sonnet 4.6 | Anthropic | Proprietary | 1M | 50.3 | $3 | $15 | 8.38 | — |
| 12 | Anthropic Claude Haiku 5.5 | Anthropic | Proprietary | 1M | 49.5 | $0.10 | $0.50 | 247 | — |
| 13 | Anthropic Claude Sonnet 4.5 | Anthropic | Proprietary | 200K | 44.1 | $3 | $15 | 7.35 | 85 |
| 14 | Anthropic Claude Opus 4 | Anthropic | Proprietary | 200K | 43.1 | $15 | $75 | 1.44 | 29 |
| 15 | Anthropic Claude Opus 4.1 | Anthropic | Proprietary | 200K | 41.0 | $15 | $75 | 1.37 | — |
| 16 | Anthropic Claude Sonnet 4 | Anthropic | Proprietary | 200K | 40.8 | $3 | $15 | 6.79 | 31 |
| 17 | Anthropic Claude 3.7 Sonnet | Anthropic | Proprietary | — | 39.5 | — | — | — | — |
| 18 | Anthropic Claude Haiku 4.5 | Anthropic | Proprietary | 200K | 39.5 | $1 | $5 | 19.8 | — |
| 19 | Anthropic Claude 3.5 Sonnet | Anthropic | Proprietary | — | 34.6 | — | — | — | — |
| 20 | Anthropic Claude 3 Opus | Anthropic | Proprietary | — | 29.5 | — | — | — | — |
| 21 | Anthropic Claude 3.5 Haiku | Anthropic | Proprietary | — | 29.2 | — | — | — | — |
| 22 | Anthropic Claude 3 Sonnet | Anthropic | Proprietary | — | 29.0 | — | — | — | — |
| 23 | Anthropic Claude 3 Haiku | Anthropic | Proprietary | — | 25.9 | — | — | — | 41 |
| 24 | Anthropic Claude 2.1 | Anthropic | Proprietary | — | 25.2 | — | — | — | — |
| 25 | Anthropic Claude 2 | Anthropic | Proprietary | — | 25.0 | — | — | — | — |
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Frequently asked questions
Which Anthropic model is best?
As of October 2026, Claude Fable 5.1 leads the Noometry Index with a score of 69.0, ahead of Claude Opus 5.5 at 68.6. The two are close enough that new results could swap them.
What are the top 5 in this ranking?
Claude Fable 5.1, Claude Opus 5.5, Claude Opus 5, Claude Fable 5, Claude Sonnet 5.5, 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.