All comparisons
SWE-bench Verified 80.0 — SWE-bench Pro 48.3 —
GPT-5.2 vs DeepSeek V4
Side-by-side comparison of specifications, capabilities, and pricing.
| Released | 2025-12-11 | 2026-02-15 |
| Context window | 256K | — |
| Parameters | — | — |
| Architecture | decoder only | decoder only |
| License | Proprietary | Open Source |
| Knowledge cutoff | — | — |
Capabilities | ||
| Vision | ||
| Multimodal | ||
| Reasoning | ||
| Function calling | ||
| Tool use | ||
| Structured Outputs | ||
| Code execution | ||
Availability | ||
| Providers | — | |
Benchmarks