Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Gemini 3 Flash Preview (Non-reasoning) | Kimi K2.5 (Reasoning) |
|---|---|---|
| Input ($/M tokens) | $0.5 | $0.6 |
| Output ($/M tokens) | $3 | $3 |
Data from Artificial Analysis API — 12 benchmarks
Gemini 3 Flash Preview (Non-reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $1.13/M tokens vs $1.20/M for Kimi K2.5 (Reasoning).
Kimi K2.5 (Reasoning) wins 6 out of 12 benchmarks compared to 5 for Gemini 3 Flash Preview (Non-reasoning). See the detailed benchmark chart above for per-category results.
Gemini 3 Flash Preview (Non-reasoning) generates tokens faster at 190 tok/s vs 36 tok/s. Gemini 3 Flash Preview (Non-reasoning) also has lower time-to-first-token (1.23s vs 1.46s).
Choose based on your priorities: Gemini 3 Flash Preview (Non-reasoning) for lower cost, Kimi K2.5 (Reasoning) for stronger benchmark performance, and Gemini 3 Flash Preview (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.