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Gemini 3.1 Pro vs Claude Opus 5

At a glance

Google's frontier model with a large leap in core reasoning.

861.0M ctx$2.00/$12.00 per M#10/92

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

1M ctx$5.00/$25.00 per M
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
Sources:Epoch ECI·Epoch AI·Provider·OpenRouter· as of 2026-07-10
Cheaper55%
Capability
CapabilityECI86.4
Reasoning & Knowledge
Graduate Science94.1%Expert-Level46.4%Factual Recall77.3%
Math
Competition Math95.6%Research Math36.9%
Coding
Real-World Coding80.6%
Agentic
Terminal Tasks80.2%Novel Reasoning77.1%Task Horizon6.4h
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Expert-Level—Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks—Novel Reasoning—Task Horizon—
Specs
1.0M
Context
66K
Max output
Feb 2026
Released
1M
Context
128K
Max output
Jul 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input60%$2.00/M tokens
Output52%$12.00/M tokens
Reasoning$12.00/M tokens
Cache read60%$0.20/M tokens
Cache write94%$0.38/M tokens
Image input$2.00/M tokens
Audio input$2.00/M tokens
Web search$0.01/search
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 search29%$0.01/search
Chat with Gemini 3.1 ProGo to model
Chat with Claude Opus 5Go to model
Frequently Asked Questions: Gemini 3.1 Pro vs Claude Opus 5▼

Which is better, Gemini 3.1 Pro or Claude Opus 5?

▼

Both Gemini 3.1 Pro and Claude Opus 5 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, Gemini 3.1 Pro or Claude Opus 5?

▼

Gemini 3.1 Pro has a lower blended cost. Gemini 3.1 Pro: $2.00 input / $12.00 output. Claude Opus 5: $5.00 input / $25.00 output.

Which has a larger context window, Gemini 3.1 Pro or Claude Opus 5?

▼

Gemini 3.1 Pro has a larger context window: Gemini 3.1 Pro supports 1M tokens vs Claude Opus 5 at 1M tokens.

Do both Gemini 3.1 Pro and Claude Opus 5 support vision?

▼

Yes, both Gemini 3.1 Pro and Claude Opus 5 support vision/image input.

What are the key differences between Gemini 3.1 Pro and Claude Opus 5?

▼

Key differences: Gemini 3.1 Pro 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 Gemini 3.1 Pro and Claude Opus 5 for free on idapt.app to see which performs better for your specific needs.

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