Skip to main content
idapt
HomeCodeAI ModelsPricing
Sign inStart free trial
  • Home
  • Pricing
  • AI Models
  • Image models
  • Voice models
  • Video models
  • Rankings
  • New models
  • Model status
  • Multi-Model Chat
  • Agents
  • Computers
  • Drive
  • Automations
  • AI Gateway
  • All features →
  • LLM cost calculator
  • Token counter
  • All free tools →
  • Blog
  • Use cases
  • Comparisons
  • Best of
  • Benchmarks
  • Demos
  • Changelog
  • Help center
  • FAQ
  • Privacy
  • Compare all models
  • Support
  • idapt Code
  • Developers
  • Quickstarts
  • API reference
  • API pricing
  • CLI
  • MCP
  • Downloads
  • Desktop
  • Badges and embeds
© idapt[email protected]TermsPrivacy PolicyLegal noticeReport content
X (Twitter)

Gemini 3.5 Flash vs o3-mini (High)

At a glance

Google's high-speed thinking model for agentic workflows, chat, and coding.

861.0M ctx$1.50/$9.00 per M#11/92

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
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter17%
Capability
CapabilityECI17%86.2
Reasoning & Knowledge
Graduate Science20%92.8%Factual Recall68.4%
Math
Math Problems—Competition Math24%95.6%Research Math214%39.0%
Coding
Real-World Coding79.3%Code Editing—
Agentic
Novel Reasoning2311%72.1%
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper43%
Capability
CapabilityECI73.9
Reasoning & Knowledge
Graduate Science77.0%Factual Recall—
Math
Math Problems96.5%Competition Math76.9%Research Math12.4%
Coding
Real-World Coding—Code Editing60.4%
Agentic
Novel Reasoning3.0%
Specs
1.0M
Context
66K
Max output
May 2026
Released
200K
Context
100K
Max output
Feb 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$1.50/M tokens
Output$9.00/M tokens
Reasoning$9.00/M tokens
Cache read73%$0.15/M tokens
Cache write$0.08/M tokens
Image input$1.50/M tokens
Audio input$3.00/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input27%$1.10/M tokens
Output51%$4.40/M tokens
Cache read$0.55/M tokens
Web search29%$0.01/search
Chat with Gemini 3.5 FlashGo to model
Chat with o3-mini (High)Go to model
Frequently Asked Questions: Gemini 3.5 Flash vs o3-mini (High)▼

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

▼

Based on the Capability Index, Gemini 3.5 Flash scores higher (86.2 vs 73.9). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

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

▼

o3-mini (High) has a lower blended cost. Gemini 3.5 Flash: $1.50 input / $9.00 output. o3-mini (High): $1.10 input / $4.40 output.

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

▼

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

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

▼

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

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

▼

Key differences: Gemini 3.5 Flash has a notably higher capability index (12.3 point gap); only Gemini 3.5 Flash 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 and o3-mini (High) for free on idapt.app to see which performs better for your specific needs.

Open in App