GPT-5.2 vs Qwen3.8 Max: Specs & Benchmark Comparison
GPT-5.2 is developed by OpenAI, while Qwen3.8 Max comes from Alibaba. GPT-5.2 was released in December 2025, and Qwen3.8 Max followed 8 months later in August 2026. Qwen3.8 Max has a published size of about 2.4 trillion parameters; OpenAI has not disclosed the parameter count of GPT-5.2.
The two models share 5 published benchmarks. Qwen3.8 Max leads on 4 of them, GPT-5.2 on 1. The widest gaps are on Toolathlon, where Qwen3.8 Max scores 72.5% against 46.3%; Humanity's Last Exam, where Qwen3.8 Max scores 43.6% against 34.5%. Averaged across everything we track, GPT-5.2 sits at 78.2% and Qwen3.8 Max at 71.0%.
GPT-5.2 is the cheaper API at $1.50 per million input tokens and $6 per million output tokens, about 67% below Qwen3.8 Max at $2.50 and $6.25. Qwen3.8 Max takes the larger context window at 1M tokens, compared with 256K for GPT-5.2. GPT-5.2 accepts text, images, audio, and video as input, while Qwen3.8 Max accepts text and images.
| Characteristic | GPT-5.2 | Qwen3.8 Max |
|---|---|---|
| Company | OpenAI | Alibaba |
| Release Date | December 10, 2025 | August 2, 2026 |
| Parameters | — | 2.4T |
| Multimodal | Yes | Yes |
| Context (input) | 256K | 1.0M |
| Context (output) | 128K | 131K |
| Input Price / 1M | $1.50 | $2.50 |
| Output Price / 1M | $6.00 | $6.25 |
| Average Score | 78.2% | 71.0% |
| Benchmarks | ||
| Toolathlon | 46.3% | 72.5% |
| Humanity's Last Exam | 34.5% | 43.6% |
| MMMU-Pro | 79.5% | 82.3% |
| ScreenSpot Pro | 86.3% | 84.5% |
| GPQA | 92.0% | 92.6% |
Visual Benchmark Comparison
Verdict
Qwen3.8 Max leads in 2 out of 4 comparison categories.
Both models show comparable average scores: GPT-5.2 — 0.8, Qwen3.8 Max — 0.7.
GPT-5.2 is 1.2x cheaper: input $1.50/1M vs $2.50/1M tokens.
Qwen3.8 Max supports a larger context: 1M vs 256K tokens.
Qwen3.8 Max is newer: released 8/2/2026 vs 12/10/2025.
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Frequently Asked Questions
Which is better for coding — GPT-5.2 or Qwen3.8 Max?
Which model is cheaper — GPT-5.2 or Qwen3.8 Max?
Which has a larger context window — GPT-5.2 or Qwen3.8 Max?
The GPT-5.2 and Qwen3.8 Max comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5.2 or Qwen3.8 Max page. See also the complete list of AI model comparisons.