DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-v3.1) that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent capabilities, further …
Model details →DeepSeek: DeepSeek V3.1 Terminus (exacto) vs Anthropic Claude Sonnet Latest
DeepSeek: DeepSeek V3.1 Terminus (exacto) and Anthropic Claude Sonnet Latest are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
This model always redirects to the latest model in the Anthropic Claude Sonnet family.
Model details →Side-by-side comparison
| Capability | DeepSeek: DeepSeek V3.1 Terminus (exacto) | Anthropic Claude Sonnet Latest | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 164K | 1M | 🏆 Anthropic Claude Sonnet Latest |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.21 | $2.00 | 🏆 DeepSeek: DeepSeek V3.1 Terminus (exacto) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.79 | $10.00 | 🏆 DeepSeek: DeepSeek V3.1 Terminus (exacto) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 Anthropic Claude Sonnet Latest |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is DeepSeek: DeepSeek V3.1 Terminus (exacto) better than Anthropic Claude Sonnet Latest?
DeepSeek: DeepSeek V3.1 Terminus (exacto) and Anthropic Claude Sonnet Latest are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between DeepSeek: DeepSeek V3.1 Terminus (exacto) and Anthropic Claude Sonnet Latest?
Input: $0.21 vs $2.00 per 1M tokens. Output: $0.79 vs $10.00 per 1M tokens.
What context windows do DeepSeek: DeepSeek V3.1 Terminus (exacto) and Anthropic Claude Sonnet Latest support?
DeepSeek: DeepSeek V3.1 Terminus (exacto) supports up to 164K tokens. Anthropic Claude Sonnet Latest supports up to 1M tokens.
Do both DeepSeek: DeepSeek V3.1 Terminus (exacto) and Anthropic Claude Sonnet Latest support tool calling?
DeepSeek: DeepSeek V3.1 Terminus (exacto): yes. Anthropic Claude Sonnet Latest: yes.
Compare DeepSeek: DeepSeek V3.1 Terminus (exacto) with other models
vs Anthropic Claude Haiku Latestvs Anthropic Claude Sonnet Latestvs Anthropic: Claude Fable Latestvs Anthropic: Claude Opus Latest