Fast and efficient with near-frontier intelligence.
Extended-context coding model for large codebase operations.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Claude Haiku 4.5 and GPT 5.1 Codex Max 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.
Claude Haiku 4.5 has a lower blended cost. Claude Haiku 4.5: $1.00 input / $5.00 output. GPT 5.1 Codex Max: $1.25 input / $10.00 output.
GPT 5.1 Codex Max has a larger context window: Claude Haiku 4.5 supports 200K tokens vs GPT 5.1 Codex Max at 400K tokens.
Yes, both Claude Haiku 4.5 and GPT 5.1 Codex Max support vision/image input.
Claude Haiku 4.5 and GPT 5.1 Codex Max 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 Claude Haiku 4.5 and GPT 5.1 Codex Max for free on idapt.app to see which performs better for your specific needs.