Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Grok 4.1 Fast (Reasoning) | DeepSeek V3.2 (Reasoning) |
|---|---|---|
| Input ($/M tokens) | $0.2 | $0.3 |
| Output ($/M tokens) | $0.5 | $0.45 |
Data from Artificial Analysis API — 12 benchmarks
Grok 4.1 Fast (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.28/M tokens vs $0.34/M for DeepSeek V3.2 (Reasoning).
DeepSeek V3.2 (Reasoning) wins 9 out of 12 benchmarks compared to 2 for Grok 4.1 Fast (Reasoning). See the detailed benchmark chart above for per-category results.
Grok 4.1 Fast (Reasoning) generates tokens faster at 98 tok/s vs 0 tok/s. However, DeepSeek V3.2 (Reasoning) has lower time-to-first-token (0.00s vs 8.89s).
Choose based on your priorities: Grok 4.1 Fast (Reasoning) for lower cost, DeepSeek V3.2 (Reasoning) for stronger benchmark performance, and Grok 4.1 Fast (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.