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) | $6.25 | $5.5 |
| Output ($/M tokens) | $25 | $27.5 |
Data from Artificial Analysis API — 12 benchmarks
Claude Opus 4.6 (Adaptive Reasoning, Max Effort) is cheaper overall. Its blended price (3:1 input/output ratio) is $10.94/M tokens vs $11.00/M for Grok 4.
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 45 tok/s vs 0 tok/s. However, Grok 4 has lower time-to-first-token (0.00s vs 13.72s).
Choose based on your priorities: Claude Opus 4.6 (Adaptive Reasoning, Max Effort) 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.