Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | GPT-5.4 mini (medium) | Claude 3.5 Haiku |
|---|---|---|
| Input ($/M tokens) | $0.75 | $0.8 |
| Output ($/M tokens) | $4.5 | $4 |
Data from Artificial Analysis API — 12 benchmarks
Claude 3.5 Haiku is cheaper overall. Its blended price (3:1 input/output ratio) is $1.60/M tokens vs $1.69/M for GPT-5.4 mini (medium).
GPT-5.4 mini (medium) wins 7 out of 12 benchmarks compared to 3 for Claude 3.5 Haiku. See the detailed benchmark chart above for per-category results.
GPT-5.4 mini (medium) generates tokens faster at 200 tok/s vs 0 tok/s. However, Claude 3.5 Haiku has lower time-to-first-token (0.00s vs 3.77s).
Choose based on your priorities: Claude 3.5 Haiku for lower cost, GPT-5.4 mini (medium) for stronger benchmark performance, and GPT-5.4 mini (medium) for faster generation. For latency-sensitive apps, check the TTFT comparison above.