Claude Opus 4.8 vs Claude 4.7 Opus

Head-to-head technical comparison of intelligence, capabilities, and API pricing.

Claude Opus 4.8

Anthropic

AI Mastery Index94.6

LMSYS Arena1362

Technical (MMLU-Pro)94.5%

Cost per 1M Tokens$15

Claude 4.7 Opus

Anthropic

AI Mastery Index93.8

LMSYS Arena1345

Technical (MMLU-Pro)93.8%

Cost per 1M Tokens$15

Architect's Verdict

When comparing Claude Opus 4.8 and Claude 4.7 Opus, Claude Opus 4.8 edges out in overall capabilities according to the AI Mastery Index. However, for cost-sensitive workloads, Claude 4.7 Opus offers a more economical API at $15 per 1M tokens. Your choice should depend heavily on whether you prioritize raw reasoning (MMLU) or scalable deployment economics.