Claude Haiku 4.5 vs GPT 5
Fast and efficient with near-frontier intelligence.
No captured outputs for these models yet.
Frequently Asked Questions: Claude Haiku 4.5 vs GPT 5▼
Which is better, Claude Haiku 4.5 or GPT 5?
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Based on the Capability Index, GPT 5 scores higher (81.8 vs 75.3). 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 5?
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Claude Haiku 4.5 has a lower blended cost. Claude Haiku 4.5: $1.00 input / $5.00 output. GPT 5: $1.25 input / $10.00 output.
Which has a larger context window, Claude Haiku 4.5 or GPT 5?
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GPT 5 has a larger context window: Claude Haiku 4.5 supports 200K tokens vs GPT 5 at 400K tokens.
Do both Claude Haiku 4.5 and GPT 5 support vision?
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Yes, both Claude Haiku 4.5 and GPT 5 support vision/image input.
What are the key differences between Claude Haiku 4.5 and GPT 5?
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Key differences: GPT 5 has a notably higher capability index (6.5 point gap). 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 for free on idapt.app to see which performs better for your specific needs.