Claude Opus 5
Anthropic's flagship — 1M context, 96% on SWE-bench Verified, at half the previous frontier price.
About this launch
Claude Opus 5 is Anthropic's flagship model, released on 24 July 2026 with a 1M-token context window and pricing held at $5/$25 per million tokens. Anthropic reports 96.0% on SWE-bench Verified and 43.3% on Frontier-Bench v0.1 — roughly double Opus 4.8's 21.1% — and positions the model for agentic coding, computer use and long-horizon reasoning. For buyers the notable part is not the score but the price-to-capability ratio: frontier-class results at half the per-task cost of the tier above it.
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