DeepSeek: DeepSeek V3.2 Speciale vs OpenAI: GPT-5.5 Pro
Side-by-side comparison — pricing, context window, capabilities, and live leaderboard data.
Key differences
- OpenAI: GPT-5.5 Pro has a 1050K-token context window — 6.4× larger than DeepSeek: DeepSeek V3.2 Speciale's 164K.
- DeepSeek: DeepSeek V3.2 Speciale is 99% cheaper per 1K input tokens than OpenAI: GPT-5.5 Pro ($0.0003 vs $0.0300).
- DeepSeek: DeepSeek V3.2 Speciale is built by DeepSeek; OpenAI: GPT-5.5 Pro is built by OpenAI.
- OpenAI: GPT-5.5 Pro supports vision (image inputs); the other does not.
Specifications
| DeepSeek: DeepSeek V3.2 Speciale | OpenAI: GPT-5.5 Pro | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Context window | 164K | 1050K |
| Max output tokens | 8192 | 8192 |
| Input price / 1K tokens | $0.0003 | $0.0300 |
| Output price / 1K tokens | $0.0004 | $0.1800 |
| Vision support | No | Yes |
| Function calling | No | No |
| License | Open Source | Proprietary |
About DeepSeek: DeepSeek V3.2 Speciale
CN·OpenDeepSeek-V3.2-Speciale is a high-compute variant of DeepSeek-V3.2 optimized for maximum reasoning and agentic performance. It builds on DeepSeek Sparse Attention (DSA) for efficient long-context processing, then scales post-training reinforcement learning...
View DeepSeek: DeepSeek V3.2 Speciale reliability and benchmark history →About OpenAI: GPT-5.5 Pro
US·ClosedGPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...
View OpenAI: GPT-5.5 Pro reliability and benchmark history →Try them yourself
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