Claude Haiku 4.5 vs GPT 5.1 Codex Mini
Fast and efficient with near-frontier intelligence.
Compact coding model for fast, cost-efficient development tasks.
No captured outputs for these models yet.
Frequently Asked Questions: Claude Haiku 4.5 vs GPT 5.1 Codex Mini▼
Which is better, Claude Haiku 4.5 or GPT 5.1 Codex Mini?
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Both Claude Haiku 4.5 and GPT 5.1 Codex Mini 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.
Which is cheaper, Claude Haiku 4.5 or GPT 5.1 Codex Mini?
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GPT 5.1 Codex Mini has a lower blended cost. Claude Haiku 4.5: $1.00 input / $5.00 output. GPT 5.1 Codex Mini: $0.25 input / $2.00 output.
Which has a larger context window, Claude Haiku 4.5 or GPT 5.1 Codex Mini?
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GPT 5.1 Codex Mini has a larger context window: Claude Haiku 4.5 supports 200K tokens vs GPT 5.1 Codex Mini at 400K tokens.
Do both Claude Haiku 4.5 and GPT 5.1 Codex Mini support vision?
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Yes, both Claude Haiku 4.5 and GPT 5.1 Codex Mini support vision/image input.
What are the key differences between Claude Haiku 4.5 and GPT 5.1 Codex Mini?
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Key differences: GPT 5.1 Codex Mini is significantly cheaper. Compare full specs on this page.
Which model should I choose for my use case?
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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 Mini for free on idapt.app to see which performs better for your specific needs.