Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Claude Opus 4.5 (Reasoning) | GPT-4 Turbo |
|---|---|---|
| Input ($/M tokens) | $5 | $10 |
| Output ($/M tokens) | $25 | $30 |
Data from Artificial Analysis API — 12 benchmarks
Claude Opus 4.5 (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $10.00/M tokens vs $15.00/M for GPT-4 Turbo.
Claude Opus 4.5 (Reasoning) wins 11 out of 12 benchmarks compared to 1 for GPT-4 Turbo. See the detailed benchmark chart above for per-category results.
Claude Opus 4.5 (Reasoning) generates tokens faster at 64 tok/s vs 30 tok/s. However, GPT-4 Turbo has lower time-to-first-token (0.87s vs 10.40s).
Choose based on your priorities: Claude Opus 4.5 (Reasoning) for lower cost, Claude Opus 4.5 (Reasoning) for stronger benchmark performance, and Claude Opus 4.5 (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.