Anthropic's frontier model ranking ECI 146. strong performance across major benchmarks. excellent intelligence. API access.
Metrics
ELO1,340
LMArena human preference ranking
ECI Score146.444
Epoch Capabilities Index score
ECI Normalized93
Normalized ECI score (0-100)
Context Window200,000
Maximum input token capacity
Score Breakdown
code
20%90
Code generation, understanding, and debugging
math
20%86
Mathematical reasoning and problem solving
reasoning
15%87
Multi-step logical reasoning
intelligence
30%93
Overall reasoning and task completion ability
Compatibility(3)
Sources(2)
Developed by
AnthropicBenchmark Performance
Compare ModelsEpoch Capabilities Index
146.4/ 155
| Dimension | Score |
|---|---|
| Intelligence | 93.0 |
| Reasoning | 87.0 |
| Math | 86.0 |
| Code | 90.0 |
| Overall | 93 |
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Data: Epoch AI (CC-BY 4.0)
Related Signals(5)
Grok Code Fast 1 Dominates OpenRouter Usage at 572B Tokens
ModelsDec 29
93xAI's Grok Code Fast 1 has surged to the #1 position on OpenRouter with 572.7B tokens processed weekly, more than 3x the second-place model. This dethroned mimo-v2-flash which dropped from #1 (170.9B) to #9 (77.6B), signaling a major shift toward specialized coding models.
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Claude Code Reaches $1B Run Rate in 6 Months
AgentsDec 29
93Anthropic's Claude Code achieved a $1 billion run rate in just six months, demonstrating the massive demand for AI-powered coding tools among prosumer and technical users.
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Anthropic Captures 40% Enterprise LLM Market Share
ModelsDec 29
94Anthropic has unseated OpenAI as the enterprise LLM leader, growing from 12% market share in 2023 to 40% in 2025. OpenAI fell from 50% to 27% over the same period.
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Code-Specialized Models Capture 4 of Top 10 OpenRouter Positions
ModelsDec 1
89Coding-optimized models now dominate OpenRouter's top 10: Grok Code Fast (#1), Claude Sonnet (#2), Claude Opus (#3), and Kwaipilot's kat-coder-pro-v1 (#4, 118.4B tokens). Mistral's Devstral 2512 (#8, 81.3B) adds to the coding focus. This reflects the broader industry shift where programming surpassed roleplay as the dominant LLM use case.
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Programming Surpasses Roleplay as Dominant LLM Use Case
ModelsDec 1
91Programming queries grew from 11% to over 50% of LLM usage in 2025. Anthropic's Claude dominates with 60%+ of programming spend, while average programming prompts now exceed 20K tokens.
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