OpenAI's most advanced agentic coding model with 400K context.
Alibaba's updated Qwen3.8 Max flagship snapshot, post-trained for coding and agentic work.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GPT 5.3 Codex and Qwen3.8 Max (0902) are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Qwen3.8 Max (0902) has a lower blended cost. GPT 5.3 Codex: $1.75 input / $14.00 output. Qwen3.8 Max (0902): $2.00 input / $6.00 output.
Qwen3.8 Max (0902) has a larger context window: GPT 5.3 Codex supports 400K tokens vs Qwen3.8 Max (0902) at 1M tokens.
Yes, both GPT 5.3 Codex and Qwen3.8 Max (0902) support vision/image input.
GPT 5.3 Codex and Qwen3.8 Max (0902) have similar overall capabilities. The main differences lie in pricing, context window size, and provider-specific strengths. Use this comparison page to review all metrics side by side.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT 5.3 Codex and Qwen3.8 Max (0902) for free on idapt.app to see which performs better for your specific needs.