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Gemini 2.5 Pro (05-06) vs Claude Sonnet 5.5

At a glance

Earlier Gemini 2.5 Pro preview release from May 2025.

751.0M ctx#41/92

Anthropic's Sonnet-class model for well-scoped everyday work, a direct upgrade over Claude Sonnet 5.

1M ctx$2.00/$10.00 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
CodingInsufficient data
AgenticInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI· as of 2026-10-02
Capability
CapabilityECI75.3
Reasoning & Knowledge
Graduate Science66.7%Expert-Level17.8%Factual Recall—
Math
Math Problems95.9%Competition Math—
Coding
Code Editing76.9%
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Capability
Capability—
Reasoning & Knowledge
Graduate Science43%95.6%Expert-Level—Factual Recall46.5%
Math
Math Problems—Competition Math100.0%
Coding
Code Editing—
Specs
1.0M
Context
66K
Max output
—
Released
1M
Context
128K
Max output
Sep 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Pricing not available
Live pricing, shown before you run
Input$2.00/M tokens
Output$10.00/M tokens
Cache read$0.10/M tokens
Cache write$2.50/M tokens
Web search$0.01/search
Chat with Gemini 2.5 Pro (05-06)Go to model
Chat with Claude Sonnet 5.5Go to model
Frequently Asked Questions: Gemini 2.5 Pro (05-06) vs Claude Sonnet 5.5▼

Which is better, Gemini 2.5 Pro (05-06) or Claude Sonnet 5.5?

▼

Both Gemini 2.5 Pro (05-06) and Claude Sonnet 5.5 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 has a larger context window, Gemini 2.5 Pro (05-06) or Claude Sonnet 5.5?

▼

Gemini 2.5 Pro (05-06) has a larger context window: Gemini 2.5 Pro (05-06) supports 1M tokens vs Claude Sonnet 5.5 at 1M tokens.

Do both Gemini 2.5 Pro (05-06) and Claude Sonnet 5.5 support vision?

▼

Yes, both Gemini 2.5 Pro (05-06) and Claude Sonnet 5.5 support vision/image input.

What are the key differences between Gemini 2.5 Pro (05-06) and Claude Sonnet 5.5?

▼

Key differences: only Claude Sonnet 5.5 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 Gemini 2.5 Pro (05-06) and Claude Sonnet 5.5 for free on idapt.app to see which performs better for your specific needs.

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