Model vendor
AI safety company
Updated Aug 11, 2026. Data as of 2026-08-11
Default-version specifications and scored-version capability values are labeled separately.
| AN | Claude Opus 5 | 97.4 | 60.0% | 1M | Closed weights | Claude Opus 5 | |
| AN | Claude Fable 5 | 95.8 | 40.0% | 1M | Closed weights | Claude Fable 5 | |
| AN | Claude Mythos Preview | 93.6 | 80.0% | N/A | Closed weights | N/A | Claude Mythos Preview |
| AN | Claude Opus 4.8 | 87.9 | 60.0% | 1M | Closed weights | Claude Opus 4.8 | |
| AN | Claude Opus 4.7 | 84.2 | 60.0% | 1M | Closed weights | Claude Opus 4.7 | |
| AN | Claude Sonnet 5 | 84.0 | 60.0% | 1M | Closed weights | Claude Sonnet 5 | |
| AN | Claude Opus 4.6 | 79.6 | 80.0% | 1M | Closed weights | Claude Opus 4.6 | |
| AN | Claude Sonnet 4.6 | 72.6 | 60.0% | 1M | Closed weights | Claude Sonnet 4.6 | |
| AN | Claude Opus 4.5 | 69.5 | 60.0% | 200K | Closed weights | Claude Opus 4.5 | |
| AN | Claude Sonnet 4.5 | 56.0 | 80.0% | 200K | Closed weights | Claude Sonnet 4.5 | |
| AN | Claude Opus 4.1 | 52.4 | 80.0% | 200K | Closed weights | Claude Opus 4.1 | |
| AN | Claude Opus 4 | 46.4 | 80.0% | 200K | Closed weights | Claude Opus 4 | |
| AN | Claude Haiku 4.5 | 45.5 | 80.0% | 200K | Closed weights | Claude Haiku 4.5 | |
| AN | Claude Sonnet 4 | 39.5 | 80.0% | 200K | Closed weights | Claude Sonnet 4 | |
| AN | Claude 3.7 Sonnet | 38.7 | 100.0% | 200K | Closed weights | Claude 3.7 Sonnet | |
| AN | Claude 3.5 Sonnet | 32.1 | 80.0% | 200K | Closed weights | Claude 3.5 Sonnet | |
| AN | Claude 3 Opus | 16.7 | 80.0% | 200K | Closed weights | Claude 3 Opus | |
| AN | Claude 3.5 Haiku | 9.3 | 80.0% | 200K | Closed weights | Claude 3.5 Haiku | |
| AN | Claude 3 Sonnet | 3.5 | 80.0% | 200K | Closed weights | Claude 3 Sonnet | |
| AN | Claude 3 Haiku | 0.0 | 80.0% | 200K | Closed weights | Claude 3 Haiku |
Each unique model uses its latest scored version.
Leading Anthropic models by score, price and context window.
Background and model catalog information for Anthropic.
AI safety company
Model ownership is separate from API hosting. One model can be offered by multiple API providers with different prices.
Catalog data as of 2026-08-11.
Common questions about Anthropic.
Claude Opus 5 currently has the strongest LLMBoard score from this vendor.
The catalog contains 20 independently selectable Anthropic models and 27 versions.
Not necessarily. Vendor identifies the model developer; API providers are tracked separately.
No current default version is marked as open weight.