Anthropic
Anthropic's current flagship Opus model for complex agentic work, enterprise workflows, advanced coding, and demanding reasoning. It is a proprietary, API-accessible model with a 1M-token context window.
Anthropic's current flagship Opus model for complex agentic work, enterprise workflows, advanced coding, and demanding reasoning.
57.4
Quality Score
1290
Arena ELO
1M
Parameters
1M
Context
This measures the amount of verifiable public evidence we have, not how capable the model is. A missing field means it has not been verified yet, not that its value is zero.
17 of 22 public signals
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Jul 2026
Released
4/5 signals
4/4 signals
5/5 signals
1/4 signals
3/4 signals
Parameters
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Training compute
Not reported
Dataset scale
Not reported
Base model
Not reported
Source-reported access: API access · Confident confidence
Gaps we are still tracking