Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Qwen3 4B (Non-reasoning) | Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) |
|---|---|---|
| Input ($/M tokens) | $0.11 | $0.1 |
| Output ($/M tokens) | $0.42 | $0.4 |
Data from Artificial Analysis API — 12 benchmarks
Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.17/M tokens vs $0.19/M for Qwen3 4B (Non-reasoning).
Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) wins 11 out of 12 benchmarks compared to 1 for Qwen3 4B (Non-reasoning). See the detailed benchmark chart above for per-category results.
Qwen3 4B (Non-reasoning) generates tokens faster at 104 tok/s vs 0 tok/s. However, Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) has lower time-to-first-token (0.00s vs 0.98s).
Choose based on your priorities: Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) for lower cost, Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) for stronger benchmark performance, and Qwen3 4B (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.