DeepSeek V3.2 Speciale vs GPT-5.5
DeepSeek vs OpenAI — benchmarks, pricing, and capabilities side by side.
- •DeepSeek V3.2 Speciale has the higher intelligence index (89.9 vs 76.1)
- •DeepSeek V3.2 Speciale is cheaper ($0.29 vs $5.00 per 1M input)
- •GPT-5.5 has a larger context window (1.1M)
| DeepSeek V3.2 Speciale | GPT-5.5 | |
|---|---|---|
| Intelligence index | 89.9 | 76.1 |
| Developer | DeepSeek | OpenAI |
| Type | LLM | LLM |
| Access | Open weights | API only |
| Context window | 163,840 tokens | 1,050,000 tokens |
| Input price | $0.29 / 1M | $5.00 / 1M |
| Output price | $0.43 / 1M | $30.00 / 1M |
| Speed | — | 67 tok/s |
| Released | December 1, 2025 | April 23, 2026 |
| Parameters | — | — |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |
Shared benchmarks
DeepSeek V3.2 Speciale
GPT-5.5
GPQA Diamond
87.1
93.5
Humanity’s Last Exam
26.1
44.3