DeepSeek V4.1 Flash vs Grok 4.1 Fast Reasoning (Azure)
Both have similar output pricing, while DeepSeek V4.1 Flash offers a larger context window. Choose DeepSeek V4.1 Flash or Grok 4.1 Fast Reasoning (Azure) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | DeepSeek V4.1 Flash | Grok 4.1 Fast Reasoning (Azure) |
|---|---|---|
| Provider | DeepSeek | LLM Gateway |
| Input / 1M tokens | $0.05 | $0.20 |
| Output / 1M tokens | $0.50 | $0.50 |
| Context window | 1M | 128K |
| Parameters | — | — |
| Open weights | — | No |
| Released | — | Nov 2025 |
| GPQA Diamond score | 93.2 | — |
| LMArena (Chatbot Arena) Elo score | 1465 | — |
| LMArena WebDev Elo score | 1665 | — |
| LMArena Vision Elo score | 1278 | — |
| Epoch Capabilities Index score | 159 | — |
FAQ
Is DeepSeek V4.1 Flash or Grok 4.1 Fast Reasoning (Azure) cheaper?
DeepSeek V4.1 Flash and Grok 4.1 Fast Reasoning (Azure) have comparable output pricing.
Which has the larger context window, DeepSeek V4.1 Flash or Grok 4.1 Fast Reasoning (Azure)?
DeepSeek V4.1 Flash has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.