DeepSeek-V4-Pro-0813 vs GPT-5.2: Specs & Benchmark Comparison
DeepSeek-V4-Pro-0813 is developed by DeepSeek, while GPT-5.2 comes from OpenAI. GPT-5.2 was released in December 2025, and DeepSeek-V4-Pro-0813 followed 8 months later in August 2026. DeepSeek-V4-Pro-0813 has a published size of about 1.6 trillion parameters; OpenAI has not disclosed the parameter count of GPT-5.2.
The two models share 2 published benchmarks. DeepSeek-V4-Pro-0813 leads on 2 of them. The widest gaps are on Toolathlon, where DeepSeek-V4-Pro-0813 scores 74.0% against 46.3%; Humanity's Last Exam, where DeepSeek-V4-Pro-0813 scores 60.0% against 34.5%. Averaged across everything we track, DeepSeek-V4-Pro-0813 sits at 60.6% and GPT-5.2 at 78.2%.
On price the two are close: DeepSeek-V4-Pro-0813 costs $1.32 per million input tokens and $3.96 per million output tokens, GPT-5.2 $1.50 and $6. DeepSeek-V4-Pro-0813 takes the larger context window at 1M tokens, compared with 256K for GPT-5.2. DeepSeek-V4-Pro-0813 accepts text as input, while GPT-5.2 accepts text, images, audio, and video.
| Characteristic | DeepSeek-V4-Pro-0813 | GPT-5.2 |
|---|---|---|
| Company | DeepSeek | OpenAI |
| Release Date | August 13, 2026 | December 10, 2025 |
| Parameters | 1.6T | — |
| Multimodal | No | Yes |
| Context (input) | 1.0M | 256K |
| Context (output) | 393K | 128K |
| Input Price / 1M | $1.32 | $1.50 |
| Output Price / 1M | $3.96 | $6.00 |
| Average Score | 60.6% | 78.2% |
| Benchmarks | ||
| Toolathlon | 74.0% | 46.3% |
| Humanity's Last Exam | 60.0% | 34.5% |
Visual Benchmark Comparison
Verdict
DeepSeek-V4-Pro-0813 leads in 3 out of 4 comparison categories.
Both models show comparable average scores: DeepSeek-V4-Pro-0813 — 0.6, GPT-5.2 — 0.8.
DeepSeek-V4-Pro-0813 is 1.4x cheaper: input $1.32/1M vs $1.50/1M tokens.
DeepSeek-V4-Pro-0813 supports a larger context: 1M vs 256K tokens.
DeepSeek-V4-Pro-0813 is newer: released 8/13/2026 vs 12/10/2025.
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Frequently Asked Questions
Which is better for coding — DeepSeek-V4-Pro-0813 or GPT-5.2?
Which model is cheaper — DeepSeek-V4-Pro-0813 or GPT-5.2?
Which has a larger context window — DeepSeek-V4-Pro-0813 or GPT-5.2?
The DeepSeek-V4-Pro-0813 and GPT-5.2 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the DeepSeek-V4-Pro-0813 or GPT-5.2 page. See also the complete list of AI model comparisons.