Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Claude Opus 4.6 (Adaptive Reasoning, Max Effort) | Grok 4 |
|---|---|---|
| Input ($/M tokens) | $5 | $3 |
| Output ($/M tokens) | $25 | $15 |
Data from Artificial Analysis API — 12 benchmarks
Grok 4 is cheaper overall. Its blended price (3:1 input/output ratio) is $6.00/M tokens vs $10.00/M for Claude Opus 4.6 (Adaptive Reasoning, Max Effort).
It's a tie — both models win 6 benchmarks each across 12 evaluated categories. See the detailed benchmark chart above for per-category results.
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) generates tokens faster at 56 tok/s vs 47 tok/s. However, Grok 4 has lower time-to-first-token (8.38s vs 12.41s).
Choose based on your priorities: Grok 4 for lower cost, both perform similarly on benchmarks, and Claude Opus 4.6 (Adaptive Reasoning, Max Effort) for faster generation. For latency-sensitive apps, check the TTFT comparison above.