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Claude Opus 4.8

Anthropic · Released 28 May 2026 · claude-opus-4-8

Compare this model
ProprietaryCodingAgents

$5.00

Input price / 1M tokens

#52 of 61, cheapest first

$25.00

Output price / 1M tokens

#52 of 61, cheapest first

1M

Context window

#29 of 71

61

Output tokens / second

#50 of 61

Summary

Claude Opus 4.8 is a proprietary model from Anthropic, released on 28 May 2026.

At $5.00 input and $25.00 output per million tokens, it is #52 of 61 on input price, cheapest first.

Its 1M-token context window ranks #29 of 71.

Measured output speed is 61 tokens per second, #50 of 61.

Legacy Opus model, superseded by Claude Opus 5 and Opus 5.5. Anthropic said it built on Opus 4.7 with improvements across benchmarks and was a more effective collaborator.

Benchmarks · 0 reported

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Sources

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