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Gemini 3.5 Flash vs GPT Mini (120b)

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

OpenAI's budget-friendly reasoning model — fast and surprisingly capable.

73131K ctx$0.04/$0.17 per M#49/92
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
Smarter18%
Capability
CapabilityECI18%86.2
Reasoning & Knowledge
Graduate Science92.8%Factual Recall68.4%
Math
Competition Math95.6%Research Math39.0%
Coding
Real-World Coding79.3%Code Editing—
Agentic
Terminal Tasks—Novel Reasoning72.1%Task Horizon—
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper98%
Capability
CapabilityECI73.2
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding—Code Editing41.8%
Agentic
Terminal Tasks18.7%Novel Reasoning—Task Horizon42min
Specs
1.0M
Context
66K
Max output
May 2026
Released
131K
Context
66K
Max output
Aug 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 read$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
Input98%$0.04/M tokens
Output98%$0.17/M tokens
Chat with Gemini 3.5 FlashGo to model
Chat with GPT Mini (120b)Go to model
Frequently Asked Questions: Gemini 3.5 Flash vs GPT Mini (120b)▼

Which is better, Gemini 3.5 Flash or GPT Mini (120b)?

▼

Based on the Capability Index, Gemini 3.5 Flash scores higher (86.2 vs 73.2). 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 GPT Mini (120b)?

▼

GPT Mini (120b) has a lower blended cost. Gemini 3.5 Flash: $1.50 input / $9.00 output. GPT Mini (120b): $0.04 input / $0.17 output.

Which has a larger context window, Gemini 3.5 Flash or GPT Mini (120b)?

▼

Gemini 3.5 Flash has a larger context window: Gemini 3.5 Flash supports 1M tokens vs GPT Mini (120b) at 131K tokens.

Do both Gemini 3.5 Flash and GPT Mini (120b) support vision?

▼

Gemini 3.5 Flash supports vision/image input, but GPT Mini (120b) does not.

What are the key differences between Gemini 3.5 Flash and GPT Mini (120b)?

▼

Key differences: Gemini 3.5 Flash has a notably higher capability index (13.0 point gap); GPT Mini (120b) is significantly cheaper; 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 GPT Mini (120b) for free on idapt.app to see which performs better for your specific needs.

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