Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | GPT-4.1 mini | DeepSeek V3.1 (Reasoning) |
|---|---|---|
| Input ($/M tokens) | $0.4 | $0.6 |
| Output ($/M tokens) | $1.6 | $1.7 |
Data from Artificial Analysis API — 12 benchmarks
GPT-4.1 mini is cheaper overall. Its blended price (3:1 input/output ratio) is $0.70/M tokens vs $0.88/M for DeepSeek V3.1 (Reasoning).
DeepSeek V3.1 (Reasoning) wins 10 out of 12 benchmarks compared to 2 for GPT-4.1 mini. See the detailed benchmark chart above for per-category results.
GPT-4.1 mini generates tokens faster at 83 tok/s vs 0 tok/s. However, DeepSeek V3.1 (Reasoning) has lower time-to-first-token (0.00s vs 0.63s).
Choose based on your priorities: GPT-4.1 mini for lower cost, DeepSeek V3.1 (Reasoning) for stronger benchmark performance, and GPT-4.1 mini for faster generation. For latency-sensitive apps, check the TTFT comparison above.