Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | GPT-4.1 nano | Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) |
|---|---|---|
| Input ($/M tokens) | $0.1 | $0.1 |
| Output ($/M tokens) | $0.4 | $0.4 |
Data from Artificial Analysis API — 12 benchmarks
Both models have similar pricing. Check the detailed breakdown above for input vs output token costs.
Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) wins 11 out of 12 benchmarks compared to 1 for GPT-4.1 nano. See the detailed benchmark chart above for per-category results.
Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) generates tokens faster at 365 tok/s vs 159 tok/s. GPT-4.1 nano also has lower time-to-first-token (0.45s vs 3.39s).
Choose based on your priorities: both are similarly priced, Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) for stronger benchmark performance, and Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.