Claude Opus 5
by Anthropic · ID claude-opus-5 · Released 2026-07 · Proprietary
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ELO Score
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MMLU
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HumanEval
1M
Context Window
$5.00
Input Price
About Claude Opus 5
Anthropic's July 2026 Opus release. Stronger than Opus 4.8 on coding, knowledge work, long-horizon agentic tasks, and cost per completed task. Same $5/$25 per million token base pricing, with Fast mode available.
Not sure where to find it? Search query: "Claude Opus 5 official"