Claude Opus 4.8 vs Grok 4
Claude Opus 4.8 (Anthropic) and Grok 4 (xAI) compared on benchmarks, pricing, context window, and use-case rankings.
- Claude Opus 4.8 leads on overall intelligence (ECI 157 vs 147).
- Claude Opus 4.8 ranks higher for coding (96th vs 15th percentile).
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Is Claude Opus 4.8 better than Grok 4?
On Epoch AI's Capabilities Index, Claude Opus 4.8 scores higher (157) than Grok 4 (147). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is better for coding, Claude Opus 4.8 or Grok 4?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Claude Opus 4.8 ranks higher — 96th vs 15th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.