token.app › Compare › DeepSeek V3.1 vs Claude Opus 5
DeepSeek V3.1 vs Claude Opus 5
DeepSeek V3.1 is 24× cheaper per token on a blended 3:1 basis. Claude Opus 5 accepts the larger context window (1M).
Head to head
Blended price uses a 3:1 input:output mix
| DeepSeek V3.1 | Claude Opus 5 | |
|---|---|---|
| Provider | DeepSeek | Anthropic |
| Input $/1M | $0.250 | $5.00 |
| Output $/1M | $0.950 | $25.00 |
| Blended $/1M | $0.425 | $10.00 |
| Context window | 164K | 1M |
| Max output | 33K | 128K |
| Released | Aug 2025 | Jul 2026 |
| Licence | Open weights | Proprietary |
Choose DeepSeek V3.1 if…
- Costs less per token — $0.425 vs $10.00 blended
- Open weights — self-hostable
Choose Claude Opus 5 if…
- Larger context window (1M)
- Newer model (released Jul 2026)
FAQ
Which is better, DeepSeek V3.1 or Claude Opus 5?
We do not hold independently-run benchmark scores covering both DeepSeek V3.1 and Claude Opus 5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is DeepSeek V3.1 cheaper than Claude Opus 5?
DeepSeek V3.1 is cheaper: $0.425 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $0.250 vs $5.00. Output alone: $0.950 vs $25.00.
What context windows do DeepSeek V3.1 and Claude Opus 5 have?
DeepSeek V3.1: 163,840 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes DeepSeek V3.1 and Claude Opus 5?
DeepSeek V3.1 is made by DeepSeek. Claude Opus 5 is made by Anthropic.