DeepSeek V3.1 vs DeepSeek-R1 (May 2025)
Both have similar output pricing, while DeepSeek V3.1 offers a larger context window. Choose DeepSeek V3.1 or DeepSeek-R1 (May 2025) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | DeepSeek V3.1 | DeepSeek-R1 (May 2025) |
|---|---|---|
| Provider | DeepSeek | DeepSeek |
| Input / 1M tokens | $0.25 | — |
| Output / 1M tokens | $0.95 | — |
| Context window | 164K | — |
| Parameters | — | 671B |
| Open weights | — | Yes |
| Released | — | May 2025 |
| LMArena (Chatbot Arena) Elo score | 1420 | — |
| Epoch Capabilities Index score | 140 | — |
| Aider Polyglot score | — | 71.4 |
FAQ
Is DeepSeek V3.1 or DeepSeek-R1 (May 2025) cheaper?
DeepSeek V3.1 and DeepSeek-R1 (May 2025) have comparable output pricing.
Which has the larger context window, DeepSeek V3.1 or DeepSeek-R1 (May 2025)?
DeepSeek V3.1 has the larger context window (164K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.