Smartest Anthropic Models

The most capable AI models ranked by the Artificial Analysis Intelligence Index — a composite of reasoning, knowledge, math and science benchmarks. These are the highest-scoring large language models available today.

1. 1A
   claude-fable-5

   ReasoningToolsJSON+1$10.00/M · 1M ctx
   64.9

   Intelligence
2. 2A
   claude-opus-4.8

   ReasoningToolsJSON+1$5.00/M · 59 t/s · 1.8s ttft
   61.4

   Intelligence
3. 3A
   claude-opus-4.7

   ReasoningToolsJSON+1$5.00/M · 63 t/s · 1.6s ttft
   57.3

   Intelligence
4. 4A
   claude-opus-4.6

   ReasoningToolsJSON+1$5.00/M · 41 t/s · 1.5s ttft
   52.9

   Intelligence
5. 5A
   claude-opus-4.5

   ReasoningToolsJSON+1$5.00/M · 60 t/s · 777ms ttft
   43.1

   Intelligence
6. 6A
   claude-sonnet-4.6

   ReasoningToolsJSON+1$3.00/M · 47 t/s · 1.0s ttft
   42.6

   Intelligence
7. 7A
   claude-sonnet-4.5

   ReasoningToolsJSON+1$3.00/M · 46 t/s · 880ms ttft
   37.1

   Intelligence
8. 8A
   claude-sonnet-4

   ReasoningToolsVision$3.00/M · 49 t/s · 699ms ttft
   33.0

   Intelligence
9. 9A
   claude-haiku-4.5

   ReasoningToolsJSON+1$1.00/M · 82 t/s · 521ms ttft
   31.0

   Intelligence
10. 10A
    claude-3.5-haiku

    ToolsVision$0.800/M · 35 t/s · 832ms ttft
    18.7

    Intelligence
11. 11A
    claude-3-haiku

    ToolsVision$0.250/M · 68 t/s · 542ms ttft
    12.3

    Intelligence