Claude 2.1 vs DeepSeek-V4-Flash
Anthropic vs DeepSeek — benchmarks, pricing, and capabilities side by side.
- •DeepSeek-V4-Flash has the higher intelligence index (89.4 vs 34.6)
- •Claude 2.1 is cheaper ($0.00 vs $0.10 per 1M input)
| Claude 2.1 | DeepSeek-V4-Flash | |
|---|---|---|
| Intelligence index | 34.6 | 89.4 |
| Developer | Anthropic | DeepSeek |
| Type | LLM | LLM |
| Access | — | Open weights |
| Context window | — | 1,048,576 tokens |
| Input price | $0.00 / 1M | $0.10 / 1M |
| Output price | $0.00 / 1M | $0.20 / 1M |
| Speed | — | 109 tok/s |
| Released | November 21, 2023 | April 24, 2026 |
| Parameters | — | 284B (13B active) |
| Input modalities | — | Text |
| Output modalities | — | Text |
Shared benchmarks
Claude 2.1
DeepSeek-V4-Flash
GPQA Diamond
31.9
89.4
Humanity’s Last Exam
4.2
32.1