Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Claude 4.1 Opus (Reasoning) | o1 |
|---|---|---|
| Input ($/M tokens) | $15 | $15 |
| Output ($/M tokens) | $75 | $60 |
Data from Artificial Analysis API — 12 benchmarks
o1 is cheaper overall. Its blended price (3:1 input/output ratio) is $26.25/M tokens vs $30.00/M for Claude 4.1 Opus (Reasoning).
Claude 4.1 Opus (Reasoning) wins 9 out of 12 benchmarks compared to 3 for o1. See the detailed benchmark chart above for per-category results.
o1 generates tokens faster at 113 tok/s vs 40 tok/s. Claude 4.1 Opus (Reasoning) also has lower time-to-first-token (9.31s vs 20.72s).
Choose based on your priorities: o1 for lower cost, Claude 4.1 Opus (Reasoning) for stronger benchmark performance, and o1 for faster generation. For latency-sensitive apps, check the TTFT comparison above.