Claude Haiku 4.5 vs GPT 4o
Fast and efficient with near-frontier intelligence.
OpenAI's original omni model supporting text and image inputs.
No captured outputs for these models yet.
Frequently Asked Questions: Claude Haiku 4.5 vs GPT 4o▼
Which is better, Claude Haiku 4.5 or GPT 4o?
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Based on the Capability Index, Claude Haiku 4.5 scores higher (75.3 vs 63.0). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.
Which is cheaper, Claude Haiku 4.5 or GPT 4o?
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Claude Haiku 4.5 has a lower blended cost. Claude Haiku 4.5: $1.00 input / $5.00 output. GPT 4o: $2.50 input / $10.00 output.
Which has a larger context window, Claude Haiku 4.5 or GPT 4o?
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Claude Haiku 4.5 has a larger context window: Claude Haiku 4.5 supports 200K tokens vs GPT 4o at 128K tokens.
Do both Claude Haiku 4.5 and GPT 4o support vision?
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Yes, both Claude Haiku 4.5 and GPT 4o support vision/image input.
What are the key differences between Claude Haiku 4.5 and GPT 4o?
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Key differences: Claude Haiku 4.5 has a notably higher capability index (12.3 point gap); Claude Haiku 4.5 is significantly cheaper; only Claude Haiku 4.5 offers extended reasoning mode. 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 4o for free on idapt.app to see which performs better for your specific needs.