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Claude Haiku 4.5 vs GPT 4o

At a glance

Fast and efficient with near-frontier intelligence.

75200K ctx$1.00/$5.00 per M#41/92

OpenAI's original omni model supporting text and image inputs.

63128K ctx$2.50/$10.00 per M#64/92
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter20%Cheaper54%
Capability
CapabilityECI20%75.3
Reasoning & Knowledge
Graduate Science23%60.5%Expert-Level—
Math
Math Problems63%86.9%Competition Math461%35.8%Research Math1100%4.1%
Coding
Real-World Coding—Code Editing—
Agentic
Terminal Tasks29.8%Novel Reasoning1.3%Task Horizon—
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI63.0
Reasoning & Knowledge
Graduate Science49.2%Expert-Level2.7%
Math
Math Problems53.3%Competition Math6.4%Research Math0.3%
Coding
Real-World Coding31.0%Code Editing23.1%
Agentic
Terminal Tasks—Novel Reasoning—Task Horizon9min
Specs
200K
Context
64K
Max output
Oct 2025
Released
128K
Context
16K
Max output
May 2024
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input60%$1.00/M tokens
Output50%$5.00/M tokens
Cache read92%$0.10/M tokens
Cache write$1.25/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$2.50/M tokens
Output$10.00/M tokens
Cache read$1.25/M tokens
Chat with Claude Haiku 4.5Go to model
Chat with GPT 4oGo to model
Frequently Asked Questions: Claude Haiku 4.5 vs GPT 4o▼

Which is better, Claude Haiku 4.5 or GPT 4o?

▼

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?

▼

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?

▼

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?

▼

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?

▼

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?

▼

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.

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