DeepSeek-V3.2-Exp vs GPT-5.1 Medium: Specs & Benchmark Comparison
| Characteristic | DeepSeek-V3.2-Exp | GPT-5.1 Medium |
|---|---|---|
| Company | DeepSeek | OpenAI |
| Release Date | September 28, 2025 | November 11, 2025 |
| Parameters | 685B | — |
| Multimodal | No | Yes |
| Context (input) | 164K | 256K |
| Context (output) | 66K | 64K |
| Input Price / 1M | $0.27 | $1.00 |
| Output Price / 1M | $0.41 | $4.00 |
| Average Score | 0.8 | 1.0 |
| Benchmarks | ||
| AIME 2025 | 0.9 | 1.0 |
Visual Benchmark Comparison
DeepSeek-V3.2-Exp
GPT-5.1 Medium
AIME 20250.9 vs 1.0
0.9
1.0
Verdict
GPT-5.1 Medium leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: DeepSeek-V3.2-Exp — 0.8, GPT-5.1 Medium — 1.0.
API Cost
DeepSeek-V3.2-Exp is 7.4x cheaper: input $0.27/1M vs $1.00/1M tokens.
Context Window
GPT-5.1 Medium supports a larger context: 256K vs 164K tokens.
Recency
GPT-5.1 Medium is newer: released 11/11/2025 vs 9/28/2025.
More About These Models
Related Comparisons
The DeepSeek-V3.2-Exp and GPT-5.1 Medium comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the DeepSeek-V3.2-Exp or GPT-5.1 Medium page. See also the complete list of AI model comparisons.