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Gemini 3.5 Flash-Lite vs o3-mini (High)

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

o3-mini with reasoning effort set to high for maximum STEM accuracy.

74200K ctx$1.10/$4.40 per M#45/92
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
Cheaper56%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—
Math
Math Problems—Competition Math—Research Math—
Coding
Code Editing—
Agentic
Novel Reasoning—
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI73.9
Reasoning & Knowledge
Graduate Science77.0%
Math
Math Problems96.5%Competition Math76.9%Research Math12.4%
Coding
Code Editing60.4%
Agentic
Novel Reasoning3.0%
Specs
1.0M
Context
66K
Max output
Jul 2026
Released
200K
Context
100K
Max output
Feb 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input73%$0.30/M tokens
Output43%$2.50/M tokens
Reasoning$2.50/M tokens
Cache read95%$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$1.10/M tokens
Output$4.40/M tokens
Cache read$0.55/M tokens
Web search29%$0.01/search
Chat with Gemini 3.5 Flash-LiteGo to model
Chat with o3-mini (High)Go to model
Frequently Asked Questions: Gemini 3.5 Flash-Lite vs o3-mini (High)▼

Which is better, Gemini 3.5 Flash-Lite or o3-mini (High)?

▼

Both Gemini 3.5 Flash-Lite and o3-mini (High) 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 o3-mini (High)?

▼

Gemini 3.5 Flash-Lite has a lower blended cost. Gemini 3.5 Flash-Lite: $0.30 input / $2.50 output. o3-mini (High): $1.10 input / $4.40 output.

Which has a larger context window, Gemini 3.5 Flash-Lite or o3-mini (High)?

▼

Gemini 3.5 Flash-Lite has a larger context window: Gemini 3.5 Flash-Lite supports 1M tokens vs o3-mini (High) at 200K tokens.

Do both Gemini 3.5 Flash-Lite and o3-mini (High) support vision?

▼

Gemini 3.5 Flash-Lite supports vision/image input, but o3-mini (High) does not.

What are the key differences between Gemini 3.5 Flash-Lite and o3-mini (High)?

▼

Key differences: Gemini 3.5 Flash-Lite is significantly cheaper; only Gemini 3.5 Flash-Lite supports vision input. 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 o3-mini (High) for free on idapt.app to see which performs better for your specific needs.

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