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Claude Opus 5 vs o4-mini (High)

At a glance

Anthropic's flagship for demanding reasoning, coding, and long-horizon agentic work.

1M ctx$5.00/$25.00 per M

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
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Expert-Level—Factual Recall—
Math
Math Problems—Competition Math—Research Math—
Coding
Code Editing—
Agentic
Novel Reasoning—Task Horizon—
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper81%
Capability
CapabilityECI78.6
Reasoning & Knowledge
Graduate Science79.6%Expert-Level18.1%Factual Recall23.9%
Math
Math Problems97.8%Competition Math81.7%Research Math24.8%
Coding
Code Editing72.0%
Agentic
Novel Reasoning6.1%Task Horizon1.3h
Specs
1M
Context
128K
Max output
Jul 2026
Released
200K
Context
100K
Max output
Apr 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$5.00/M tokens
Output$25.00/M tokens
Cache read$0.50/M tokens
Cache write$6.25/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input78%$1.10/M tokens
Output82%$4.40/M tokens
Cache read45%$0.28/M tokens
Web search$0.01/search
Chat with Claude Opus 5Go to model
Chat with o4-mini (High)Go to model
Frequently Asked Questions: Claude Opus 5 vs o4-mini (High)▼

Which is better, Claude Opus 5 or o4-mini (High)?

▼

Both Claude Opus 5 and o4-mini (High) 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 Opus 5 or o4-mini (High)?

▼

o4-mini (High) has a lower blended cost. Claude Opus 5: $5.00 input / $25.00 output. o4-mini (High): $1.10 input / $4.40 output.

Which has a larger context window, Claude Opus 5 or o4-mini (High)?

▼

Claude Opus 5 has a larger context window: Claude Opus 5 supports 1M tokens vs o4-mini (High) at 200K tokens.

Do both Claude Opus 5 and o4-mini (High) support vision?

▼

Yes, both Claude Opus 5 and o4-mini (High) support vision/image input.

What are the key differences between Claude Opus 5 and o4-mini (High)?

▼

Key differences: o4-mini (High) is significantly cheaper. 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 Opus 5 and o4-mini (High) for free on idapt.app to see which performs better for your specific needs.

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