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Gemini 2.5 Flash Lite vs Claude Sonnet 5.5

At a glance

Ultra-fast and cost-efficient for high-throughput tasks.

1.0M ctx$0.10/$0.40 per M

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
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper96%
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Reasoning & Knowledge
Graduate Science95.6%Factual Recall46.5%
Math
Competition Math100.0%
Specs
1.0M
Context
66K
Max output
Jul 2025
Released
1M
Context
128K
Max output
Sep 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input95%$0.10/M tokens
Output96%$0.40/M tokens
Reasoning$0.40/M tokens
Cache read95%$0.01/M tokens
Cache write97%$0.08/M tokens
Image input$0.10/M tokens
Audio input$0.30/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$2.00/M tokens
Output$10.00/M tokens
Cache read$0.20/M tokens
Cache write$2.50/M tokens
Web search29%$0.01/search
Chat with Gemini 2.5 Flash LiteGo to model
Chat with Claude Sonnet 5.5Go to model
Frequently Asked Questions: Gemini 2.5 Flash Lite vs Claude Sonnet 5.5▼

Which is better, Gemini 2.5 Flash Lite or Claude Sonnet 5.5?

▼

Both Gemini 2.5 Flash Lite 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 is cheaper, Gemini 2.5 Flash Lite or Claude Sonnet 5.5?

▼

Gemini 2.5 Flash Lite has a lower blended cost. Gemini 2.5 Flash Lite: $0.10 input / $0.40 output. Claude Sonnet 5.5: $2.00 input / $10.00 output.

Which has a larger context window, Gemini 2.5 Flash Lite or Claude Sonnet 5.5?

▼

Gemini 2.5 Flash Lite has a larger context window: Gemini 2.5 Flash Lite supports 1M tokens vs Claude Sonnet 5.5 at 1M tokens.

Do both Gemini 2.5 Flash Lite and Claude Sonnet 5.5 support vision?

▼

Yes, both Gemini 2.5 Flash Lite and Claude Sonnet 5.5 support vision/image input.

What are the key differences between Gemini 2.5 Flash Lite and Claude Sonnet 5.5?

▼

Key differences: Gemini 2.5 Flash Lite is significantly cheaper; 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 Flash Lite and Claude Sonnet 5.5 for free on idapt.app to see which performs better for your specific needs.

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