Previous-generation coding-optimized model for software engineering.
MiniMax's multimodal foundation model for long-horizon agentic work.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GPT 5.1 Codex and MiniMax M3 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.
MiniMax M3 has a lower blended cost. GPT 5.1 Codex: $1.25 input / $10.00 output. MiniMax M3: $0.30 input / $1.20 output.
MiniMax M3 has a larger context window: GPT 5.1 Codex supports 400K tokens vs MiniMax M3 at 524K tokens.
Yes, both GPT 5.1 Codex and MiniMax M3 support vision/image input.
Key differences: MiniMax M3 is significantly cheaper. Compare full specs on this page.
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 5.1 Codex and MiniMax M3 for free on idapt.app to see which performs better for your specific needs.