Claude is Anthropic’s closed-source frontier model family. The Sonnet, Haiku, and Opus tiers are known for long-context reasoning, agentic tool use, and high-quality writing, accessed through the Anthropic API and Claude.ai.
See all models from AnthropicModels in family
19
Open weight
0
API only
19
Avg score
58.1
Top benchmark
99.1
MATH-500
Total HF downloads
—
Primary modality
Text
Context window
200K – 1.0M
First release
Feb 2025
Latest release
Jun 2026
Every release in the Claude family, ranked by composite score across benchmarks, popularity, efficiency, and versatility.
| # | Model | Modality | Score | Params | Released |
|---|---|---|---|---|---|
| 1 | Claude Opus 4.5 (Thinking 32K)API | text | BB62.0 | — | Nov 2025 |
| 2 | Claude Sonnet 4.5 (Thinking 32K)API | text | BB61.2 | — | Sep 2025 |
| 3 | Claude Sonnet 4 (Thinking 32K)API | text | BB60.4 | — | May 2025 |
| 4 | Claude Opus 4.7API | text | BB60.1 | — | Apr 2026 |
| 5 | Claude Fable 5API | text | BB59.5 | — | Jun 2026 |
| 6 | Claude Opus 4.6 (Thinking)API | text | BB59.3 | — | Feb 2026 |
| 7 | Claude Opus 4.8API | text | BB59.1 | — | May 2026 |
| 8 | Claude Haiku 4.5API | text | BB59.0 | — | Sep 2025 |
| 9 | Claude Opus 4.7 ThinkingAPI | text | BB58.7 | — | Apr 2026 |
| 10 | Claude 3.7 Sonnet (Thinking 32K)API | text | BB58.2 | — | Feb 2025 |
When each release shipped, newest first. Useful for tracking version cadence.
Jun 9
May 28
Apr 15
Apr 15
Feb 16
Feb 4
Feb 4
Nov 23
Nov 23
Sep 30
Sep 28
Sep 28
Aug 4
Aug 4
May 13
May 13
May 13
May 13
Feb 18
Composite grades across this family. Higher is better, blending benchmarks, popularity, and efficiency.
Closed-source releases accessed through Anthropic’s API.
| # | Model | Modality | Score | Params | Released |
|---|---|---|---|---|---|
| 1 | Claude Opus 4.5 (Thinking 32K)API | text | BB62.0 | — | Nov 2025 |
| 2 | Claude Sonnet 4.5 (Thinking 32K)API | text | BB61.2 | — | Sep 2025 |
| 3 | Claude Sonnet 4 (Thinking 32K)API | text | BB60.4 | — | May 2025 |
| 4 | Claude Opus 4.7API | text | BB60.1 | — | Apr 2026 |
| 5 | Claude Fable 5API | text | BB59.5 | — | Jun 2026 |
| 6 | Claude Opus 4.6 (Thinking)API | text | BB59.3 | — | Feb 2026 |
| 7 | Claude Opus 4.8API | text | BB59.1 | — | May 2026 |
| 8 | Claude Haiku 4.5API | text | BB59.0 | — | Sep 2025 |
| 9 | Claude Opus 4.7 ThinkingAPI | text | BB58.7 | — | Apr 2026 |
| 10 | Claude 3.7 Sonnet (Thinking 32K)API | text | BB58.2 | — | Feb 2025 |
| 11 | Claude Opus 4.5API | text | BB57.9 | — | Nov 2025 |
| 12 | Claude Sonnet 4.6API | text | BB57.3 | — | Feb 2026 |
| 13 | Claude Sonnet 4.5API | text | BB56.8 | — | Sep 2025 |
| 14 | Claude Opus 4.1API | text | BB56.4 | — | Aug 2025 |
| 15 | Claude Sonnet 4API | text | BB56.2 | — | May 2025 |
| 16 | Claude Opus 4.1 (Thinking 16K)API | text | BB55.9 | — | Aug 2025 |
| 17 | Claude Opus 4.6API | text | BB55.8 | — | Feb 2026 |
| 18 | Claude Opus 4 (Thinking 16K)API | text | BB55.4 | — | May 2025 |
| 19 | Claude Opus 4API | text | CC54.4 | — | May 2025 |
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