Claude Opus 4.7 vs DeepSeek V3.1 Terminus
Anthropic vs DeepSeek — benchmarks, pricing, and capabilities side by side.
- •Claude Opus 4.7 has the higher intelligence index (90.9 vs 83.5)
- •DeepSeek V3.1 Terminus is cheaper ($0.27 vs $5.00 per 1M input)
- •Claude Opus 4.7 has a larger context window (1M)
| Claude Opus 4.7 | DeepSeek V3.1 Terminus | |
|---|---|---|
| Intelligence index | 90.9 | 83.5 |
| Developer | Anthropic | DeepSeek |
| Type | LLM | LLM |
| Access | API only | Open weights |
| Context window | 1,000,000 tokens | 163,840 tokens |
| Input price | $5.00 / 1M | $0.27 / 1M |
| Output price | $25.00 / 1M | $0.95 / 1M |
| Speed | 49 tok/s | — |
| Released | April 16, 2026 | September 22, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
Shared benchmarks
Claude Opus 4.7
DeepSeek V3.1 Terminus
GPQA Diamond
94.2
79.2
Humanity’s Last Exam
39.6
15.2