Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | gpt-oss-120b (high) | Gemini 3 Pro Preview (high) |
|---|---|---|
| Input ($/M tokens) | $0.15 | $2 |
| Output ($/M tokens) | $0.6 | $12 |
Data from Artificial Analysis API — 12 benchmarks
gpt-oss-120b (high) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.26/M tokens vs $4.50/M for Gemini 3 Pro Preview (high).
Gemini 3 Pro Preview (high) wins 11 out of 12 benchmarks compared to 0 for gpt-oss-120b (high). See the detailed benchmark chart above for per-category results.
gpt-oss-120b (high) generates tokens faster at 354 tok/s vs 0 tok/s. However, Gemini 3 Pro Preview (high) has lower time-to-first-token (0.00s vs 0.50s).
Choose based on your priorities: gpt-oss-120b (high) for lower cost, Gemini 3 Pro Preview (high) for stronger benchmark performance, and gpt-oss-120b (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.