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Gemini 3.5 Flash-Lite vs GPT 4o

At a glance

Google's high-efficiency model for focused subagent work and multi-agent workflows.

1.0M ctx$0.30/$2.50 per M

OpenAI's original omni model supporting text and image inputs.

63128K ctx$2.50/$10.00 per M#64/92
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
Cheaper81%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Expert-Level—
Math
Math Problems—Competition Math—Research Math—
Coding
Real-World Coding—Code Editing—
Agentic
Task Horizon—
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI63.0
Reasoning & Knowledge
Graduate Science49.2%Expert-Level2.7%
Math
Math Problems53.3%Competition Math6.4%Research Math0.3%
Coding
Real-World Coding31.0%Code Editing23.1%
Agentic
Task Horizon9min
Specs
1.0M
Context
66K
Max output
Jul 2026
Released
128K
Context
16K
Max output
May 2024
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input88%$0.30/M tokens
Output75%$2.50/M tokens
Reasoning$2.50/M tokens
Cache read98%$0.03/M tokens
Cache write$0.08/M tokens
Image input$0.30/M tokens
Audio input$0.30/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$2.50/M tokens
Output$10.00/M tokens
Cache read$1.25/M tokens
Chat with Gemini 3.5 Flash-LiteGo to model
Chat with GPT 4oGo to model
Frequently Asked Questions: Gemini 3.5 Flash-Lite vs GPT 4o▼

Which is better, Gemini 3.5 Flash-Lite or GPT 4o?

▼

Both Gemini 3.5 Flash-Lite and GPT 4o 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 3.5 Flash-Lite or GPT 4o?

▼

Gemini 3.5 Flash-Lite has a lower blended cost. Gemini 3.5 Flash-Lite: $0.30 input / $2.50 output. GPT 4o: $2.50 input / $10.00 output.

Which has a larger context window, Gemini 3.5 Flash-Lite or GPT 4o?

▼

Gemini 3.5 Flash-Lite has a larger context window: Gemini 3.5 Flash-Lite supports 1M tokens vs GPT 4o at 128K tokens.

Do both Gemini 3.5 Flash-Lite and GPT 4o support vision?

▼

Yes, both Gemini 3.5 Flash-Lite and GPT 4o support vision/image input.

What are the key differences between Gemini 3.5 Flash-Lite and GPT 4o?

▼

Key differences: Gemini 3.5 Flash-Lite is significantly cheaper; only Gemini 3.5 Flash-Lite 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 3.5 Flash-Lite and GPT 4o for free on idapt.app to see which performs better for your specific needs.

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