Claude Sonnet 4.5 vs DeepSeek V3.2 Speciale
Anthropic vs DeepSeek — benchmarks, pricing, and capabilities side by side.
- •DeepSeek V3.2 Speciale has the higher intelligence index (89.9 vs 80.4)
- •DeepSeek V3.2 Speciale is cheaper ($0.29 vs $3.00 per 1M input)
- •Claude Sonnet 4.5 has a larger context window (1M)
| Claude Sonnet 4.5 | DeepSeek V3.2 Speciale | |
|---|---|---|
| Intelligence index | 80.4 | 89.9 |
| Developer | Anthropic | DeepSeek |
| Type | LLM | LLM |
| Access | API only | Open weights |
| Context window | 1,000,000 tokens | 163,840 tokens |
| Input price | $3.00 / 1M | $0.29 / 1M |
| Output price | $15.00 / 1M | $0.43 / 1M |
| Speed | 42 tok/s | — |
| Released | September 29, 2025 | December 1, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
Shared benchmarks
Claude Sonnet 4.5
DeepSeek V3.2 Speciale
AIME 2025
87
96.7
GPQA Diamond
83.4
87.1
Humanity’s Last Exam
17.3
26.1
LiveCodeBench
71.4
89.6
MMLU-Pro
87.5
86.3