Claude 3 Sonnet vs DeepSeek V3.1 Terminus
Both have similar output pricing, while DeepSeek V3.1 Terminus offers a larger context window. Choose Claude 3 Sonnet or DeepSeek V3.1 Terminus based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude 3 Sonnet | DeepSeek V3.1 Terminus |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Input / 1M tokens | — | $0.27 |
| Output / 1M tokens | — | $1.00 |
| Context window | — | 164K |
| Parameters | — | — |
| Open weights | No | — |
| Released | Mar 2024 | — |
| LMArena (Chatbot Arena) Elo score | 1218 | 1419 |
| LMArena Vision Elo score | 984 | — |
| GPQA Diamond score | 40.6 | — |
| Epoch Capabilities Index score | 121 | — |
FAQ
Is Claude 3 Sonnet or DeepSeek V3.1 Terminus cheaper?
Claude 3 Sonnet and DeepSeek V3.1 Terminus have comparable output pricing.
Which has the larger context window, Claude 3 Sonnet or DeepSeek V3.1 Terminus?
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.