Detailed comparison of capabilities, features, and performance.
| Feature | GPT-5.2 Codex | Qwen 3.6 Plus |
|---|---|---|
| AI Lab | OpenAI | Alibaba |
| Context Size | 400,000 tokens | 131,072 tokens |
| Max Output Size | 128,000 tokens | 16,384 tokens |
| Frontier Model | Yes | Yes |
| Vision Support | Yes | Yes |
| Description | OpenAI's coding-optimized model built on GPT-5.2. Designed for agentic coding tasks including building projects from scratch, feature development, debugging, large-scale refactoring, and code review. Supports multimodal inputs for UI development. | Alibaba's latest flagship closed model with vision capabilities, function calling, and Mixture-of-Experts architecture. Available exclusively through Fireworks AI. |
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