Earlier Opus 4.1 snapshot (per Anthropic models overview).
Model details →Claude Opus 4.1 vs DeepSeek V4 Pro
Claude Opus 4.1 and DeepSeek V4 Pro are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
DeepSeek V4 Pro — flagship API tier with discounts published on DeepSeek pricing page; verify live rates before billing.
Model details →Side-by-side comparison
| Capability | Claude Opus 4.1 | DeepSeek V4 Pro | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 200K | 1M | 🏆 DeepSeek V4 Pro |
| Input price (per 1M) Cost per million input tokens billed by the provider. | Custom | Custom | — |
| Output price (per 1M) Cost per million output tokens billed by the provider. | Custom | Custom | — |
| Tool / function calling First-class support for emitting structured tool calls. | — | — | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 Claude Opus 4.1 |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | — | Tie |
Frequently asked questions
Is Claude Opus 4.1 better than DeepSeek V4 Pro?
Claude Opus 4.1 and DeepSeek V4 Pro are evenly matched on 6 axes — pick the one whose provider, latency, or licensing fits your stack.
What's the price difference between Claude Opus 4.1 and DeepSeek V4 Pro?
Input: Custom vs Custom per 1M tokens. Output: Custom vs Custom per 1M tokens.
What context windows do Claude Opus 4.1 and DeepSeek V4 Pro support?
Claude Opus 4.1 supports up to 200K tokens. DeepSeek V4 Pro supports up to 1M tokens.
Do both Claude Opus 4.1 and DeepSeek V4 Pro support tool calling?
Claude Opus 4.1: not advertised. DeepSeek V4 Pro: not advertised.