DeepSeek V3.1 Terminus vs Mercury
Both have similar output pricing, while DeepSeek V3.1 Terminus offers a larger context window. Choose DeepSeek V3.1 Terminus or Mercury based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | DeepSeek V3.1 Terminus | Mercury |
|---|---|---|
| Provider | DeepSeek | Inception Labs |
| Input / 1M tokens | $0.27 | — |
| Output / 1M tokens | $1.00 | — |
| Context window | 164K | — |
| Parameters | — | — |
| Open weights | — | No |
| Released | — | Feb 2025 |
| LMArena (Chatbot Arena) Elo score | 1419 | 1282 |
FAQ
Is DeepSeek V3.1 Terminus or Mercury cheaper?
DeepSeek V3.1 Terminus and Mercury have comparable output pricing.
Which has the larger context window, DeepSeek V3.1 Terminus or Mercury?
DeepSeek V3.1 Terminus 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.