Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Hy3-preview (Reasoning) | GPT-5.4 mini (medium) |
|---|---|---|
| Input ($/M tokens) | $0 | $0.75 |
| Output ($/M tokens) | $0 | $4.5 |
Data from Artificial Analysis API — 12 benchmarks
Hy3-preview (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $1.69/M for GPT-5.4 mini (medium).
It's a tie — both models win 3 benchmarks each across 12 evaluated categories. See the detailed benchmark chart above for per-category results.
GPT-5.4 mini (medium) generates tokens faster at 161 tok/s vs 86 tok/s. Hy3-preview (Reasoning) also has lower time-to-first-token (2.40s vs 3.79s).
Choose based on your priorities: Hy3-preview (Reasoning) for lower cost, both perform similarly on benchmarks, and GPT-5.4 mini (medium) for faster generation. For latency-sensitive apps, check the TTFT comparison above.