Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Grok 3 | Claude Opus 4.7 (Adaptive Reasoning, Max Effort) |
|---|---|---|
| Input ($/M tokens) | $4 | $6.25 |
| Output ($/M tokens) | $20 | $25 |
Data from Artificial Analysis API — 12 benchmarks
Grok 3 is cheaper overall. Its blended price (3:1 input/output ratio) is $8.00/M tokens vs $10.94/M for Claude Opus 4.7 (Adaptive Reasoning, Max Effort).
Claude Opus 4.7 (Adaptive Reasoning, Max Effort) wins 7 out of 12 benchmarks compared to 5 for Grok 3. See the detailed benchmark chart above for per-category results.
Claude Opus 4.7 (Adaptive Reasoning, Max Effort) generates tokens faster at 49 tok/s vs 0 tok/s. Grok 3 also has lower time-to-first-token (0.00s vs 24.39s).
Choose based on your priorities: Grok 3 for lower cost, Claude Opus 4.7 (Adaptive Reasoning, Max Effort) for stronger benchmark performance, and Claude Opus 4.7 (Adaptive Reasoning, Max Effort) for faster generation. For latency-sensitive apps, check the TTFT comparison above.