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Gemini 3.5 Flash vs GPT 5 Mini

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

Compact GPT-5 variant balancing speed and intelligence.

78400K ctx$0.25/$2.00 per M#33/92
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
Smarter11%
Capability
CapabilityECI11%86.2
Reasoning & Knowledge
Graduate Science24%92.8%Factual Recall226%68.4%
Math
Math Problems—Competition Math10%95.6%Research Math43%39.0%
Coding
Real-World Coding23%79.3%
Agentic
Terminal Tasks—Novel Reasoning1523%72.1%
Reasoning
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper80%
Capability
CapabilityECI78.0
Reasoning & Knowledge
Graduate Science75.0%Factual Recall21.0%
Math
Math Problems97.8%Competition Math86.7%Research Math27.2%
Coding
Real-World Coding64.7%
Agentic
Terminal Tasks31.9%Novel Reasoning4.4%
Specs
1.0M
Context
66K
Max output
May 2026
Released
400K
Context
128K
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
Input83%$0.25/M tokens
Output78%$2.00/M tokens
Cache read83%$0.02/M tokens
Web search29%$0.01/search
Chat with Gemini 3.5 FlashGo to model
Chat with GPT 5 MiniGo to model
Frequently Asked Questions: Gemini 3.5 Flash vs GPT 5 Mini▼

Which is better, Gemini 3.5 Flash or GPT 5 Mini?

▼

Based on the Capability Index, Gemini 3.5 Flash scores higher (86.2 vs 78.0). 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 5 Mini?

▼

GPT 5 Mini has a lower blended cost. Gemini 3.5 Flash: $1.50 input / $9.00 output. GPT 5 Mini: $0.25 input / $2.00 output.

Which has a larger context window, Gemini 3.5 Flash or GPT 5 Mini?

▼

Gemini 3.5 Flash has a larger context window: Gemini 3.5 Flash supports 1M tokens vs GPT 5 Mini at 400K tokens.

Do both Gemini 3.5 Flash and GPT 5 Mini support vision?

▼

Yes, both Gemini 3.5 Flash and GPT 5 Mini support vision/image input.

Which has better coding performance, Gemini 3.5 Flash or GPT 5 Mini?

▼

Gemini 3.5 Flash scores higher on SWE-bench Verified: Gemini 3.5 Flash resolves 79% vs GPT 5 Mini at 65%.

What are the key differences between Gemini 3.5 Flash and GPT 5 Mini?

▼

Key differences: Gemini 3.5 Flash has a notably higher capability index (8.2 point gap); GPT 5 Mini 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 3.5 Flash and GPT 5 Mini for free on idapt.app to see which performs better for your specific needs.

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