DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...
Model details →DeepSeek: DeepSeek V3.1 vs Anthropic: Claude Opus Latest
DeepSeek: DeepSeek V3.1 and Anthropic: Claude Opus 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 Claude Opus family.
Model details →Side-by-side comparison
| Capability | DeepSeek: DeepSeek V3.1 | Anthropic: Claude Opus Latest | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 164K | 1M | 🏆 Anthropic: Claude Opus Latest |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.25 | $5.00 | 🏆 DeepSeek: DeepSeek V3.1 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.95 | $25.00 | 🏆 DeepSeek: DeepSeek V3.1 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 Anthropic: Claude Opus Latest |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is DeepSeek: DeepSeek V3.1 better than Anthropic: Claude Opus Latest?
DeepSeek: DeepSeek V3.1 and Anthropic: Claude Opus 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 and Anthropic: Claude Opus Latest?
Input: $0.25 vs $5.00 per 1M tokens. Output: $0.95 vs $25.00 per 1M tokens.
What context windows do DeepSeek: DeepSeek V3.1 and Anthropic: Claude Opus Latest support?
DeepSeek: DeepSeek V3.1 supports up to 164K tokens. Anthropic: Claude Opus Latest supports up to 1M tokens.
Do both DeepSeek: DeepSeek V3.1 and Anthropic: Claude Opus Latest support tool calling?
DeepSeek: DeepSeek V3.1: yes. Anthropic: Claude Opus Latest: yes.
Compare DeepSeek: DeepSeek V3.1 with other models
vs Anthropic Claude Haiku Latestvs Anthropic Claude Sonnet Latestvs Anthropic: Claude Fable Latestvs Anthropic: Claude Opus Latest