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Gemini 3.1 Flash Lite vs Claude Sonnet 4

At a glance
GoogleGemini 3.1 Flash Lite

Google's high-efficiency model for high-volume use cases at half the cost of Gemini 3 Flash.

771.0M ctx$0.25/$1.50 per M#37/92
AnthropicClaude Sonnet 4

Significantly enhanced over Sonnet 3.7 in coding and reasoning tasks.

751M ctx$3.00/$15.00 per M#43/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
GoogleGemini 3.1 Flash Lite
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
SmarterCheaper
Capability
CapabilityECI76.7
Reasoning & Knowledge
Graduate Science—Expert-Level8.6%
Math
Math Problems—Competition Math—Research Math—
Coding
Code Editing—
Agentic
Novel Reasoning—
AnthropicClaude Sonnet 4
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI74.7
Reasoning & Knowledge
Graduate Science66.7%Expert-Level—
Math
Math Problems84.4%Competition Math28.9%Research Math4.1%
Coding
Code Editing56.4%
Agentic
Novel Reasoning1.3%
Specs
GoogleGemini 3.1 Flash Lite
1.0M
Context
66K
Max output
Mar 2026
Released
AnthropicClaude Sonnet 4
1M
Context
64K
Max output
May 2025
Released
Capabilities
GoogleGemini 3.1 Flash Lite
Vision
Audio
Reasoning
AnthropicClaude Sonnet 4
Vision
Audio
Reasoning
Pricing
GoogleGemini 3.1 Flash Lite
Live pricing, shown before you run
Input$0.25/M tokens
Output$1.50/M tokens
Reasoning$1.50/M tokens
Cache read$0.02/M tokens
Cache write$0.08/M tokens
Image input$0.25/M tokens
Audio input$0.50/M tokens
Web search$0.01/search
AnthropicClaude Sonnet 4
Live pricing, shown before you run
Input$3.00/M tokens
Output$15.00/M tokens
Cache read$0.30/M tokens
Cache write$3.75/M tokens
Web search$0.01/search
Chat with Gemini 3.1 Flash LiteGo to model
Chat with Claude Sonnet 4Go to model
Frequently Asked Questions: Gemini 3.1 Flash Lite vs Claude Sonnet 4▼

Which is better, Gemini 3.1 Flash Lite or Claude Sonnet 4?

▼

Based on the Capability Index, Gemini 3.1 Flash Lite scores higher (76.7 vs 74.7). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, Gemini 3.1 Flash Lite or Claude Sonnet 4?

▼

Gemini 3.1 Flash Lite has a lower blended cost. Gemini 3.1 Flash Lite: $0.25 input / $1.50 output. Claude Sonnet 4: $3.00 input / $15.00 output.

Which has a larger context window, Gemini 3.1 Flash Lite or Claude Sonnet 4?

▼

Gemini 3.1 Flash Lite has a larger context window: Gemini 3.1 Flash Lite supports 1M tokens vs Claude Sonnet 4 at 1M tokens.

Do both Gemini 3.1 Flash Lite and Claude Sonnet 4 support vision?

▼

Yes, both Gemini 3.1 Flash Lite and Claude Sonnet 4 support vision/image input.

What are the key differences between Gemini 3.1 Flash Lite and Claude Sonnet 4?

▼

Key differences: Gemini 3.1 Flash Lite 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 Flash Lite and Claude Sonnet 4 for free on idapt.app to see which performs better for your specific needs.

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