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Claude Haiku 4.5 vs o4-mini (High)

At a glance

Fast and efficient with near-frontier intelligence.

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

o4-mini with reasoning effort locked to high for maximum accuracy.

79200K ctx$1.10/$4.40 per M#30/92
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
Capability
CapabilityECI75.3
Reasoning & Knowledge
Graduate Science60.5%Expert-Level—Factual Recall—
Math
Math Problems86.9%Competition Math35.8%Research Math4.1%
Coding
Code Editing—
Agentic
Terminal Tasks29.8%Novel Reasoning1.3%Task Horizon—
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter4%Cheaper4%
Capability
CapabilityECI4%78.6
Reasoning & Knowledge
Graduate Science32%79.6%Expert-Level18.1%Factual Recall23.9%
Math
Math Problems13%97.8%Competition Math128%81.7%Research Math500%24.8%
Coding
Code Editing72.0%
Agentic
Terminal Tasks—Novel Reasoning389%6.1%Task Horizon1.3h
Specs
200K
Context
64K
Max output
Oct 2025
Released
200K
Context
100K
Max output
Apr 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input9%$1.00/M tokens
Output$5.00/M tokens
Cache read64%$0.10/M tokens
Cache write$1.25/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$1.10/M tokens
Output12%$4.40/M tokens
Cache read$0.28/M tokens
Web search$0.01/search
Chat with Claude Haiku 4.5Go to model
Chat with o4-mini (High)Go to model
Frequently Asked Questions: Claude Haiku 4.5 vs o4-mini (High)▼

Which is better, Claude Haiku 4.5 or o4-mini (High)?

▼

Based on the Capability Index, o4-mini (High) scores higher (78.6 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 o4-mini (High)?

▼

o4-mini (High) has a lower blended cost. Claude Haiku 4.5: $1.00 input / $5.00 output. o4-mini (High): $1.10 input / $4.40 output.

Which has a larger context window, Claude Haiku 4.5 or o4-mini (High)?

▼

Claude Haiku 4.5 has a larger context window: Claude Haiku 4.5 supports 200K tokens vs o4-mini (High) at 200K tokens.

Do both Claude Haiku 4.5 and o4-mini (High) support vision?

▼

Yes, both Claude Haiku 4.5 and o4-mini (High) support vision/image input.

What are the key differences between Claude Haiku 4.5 and o4-mini (High)?

▼

Claude Haiku 4.5 and o4-mini (High) 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.

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 o4-mini (High) for free on idapt.app to see which performs better for your specific needs.

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