Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Claude 4 Opus (Reasoning) | o3-pro |
|---|---|---|
| Input ($/M tokens) | $15 | $20 |
| Output ($/M tokens) | $75 | $80 |
Data from Artificial Analysis API — 12 benchmarks
Claude 4 Opus (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $30.00/M tokens vs $35.00/M for o3-pro.
Claude 4 Opus (Reasoning) wins 10 out of 12 benchmarks compared to 2 for o3-pro. See the detailed benchmark chart above for per-category results.
Claude 4 Opus (Reasoning) generates tokens faster at 40 tok/s vs 21 tok/s. Claude 4 Opus (Reasoning) also has lower time-to-first-token (6.36s vs 89.23s).
Choose based on your priorities: Claude 4 Opus (Reasoning) for lower cost, Claude 4 Opus (Reasoning) for stronger benchmark performance, and Claude 4 Opus (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.