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Gemini 3.5 Flash vs GPT 4.1

At a glance
GoogleGemini 3.5 Flash

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

861.0M ctx$1.50/$9.00 per M#11/92
OpenAIGPT 4.1

OpenAI's flagship GPT-4.1 with advanced instruction following and long context.

701.0M ctx$2.00/$8.00 per M#55/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
GoogleGemini 3.5 Flash
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
SmarterCheaper
Capability
CapabilityECI86.2
Reasoning & Knowledge
Graduate Science92.8%Expert-Level—Factual Recall68.4%
Math
Math Problems—Competition Math95.6%Research Math39.0%
Coding
Real-World Coding79.3%Code Editing—
Agentic
Novel Reasoning72.1%
OpenAIGPT 4.1
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI70.4
Reasoning & Knowledge
Graduate Science66.9%Expert-Level5.4%Factual Recall—
Math
Math Problems83.0%Competition Math38.3%Research Math5.5%
Coding
Real-World Coding48.5%Code Editing52.4%
Agentic
Novel Reasoning0.4%
Specs
GoogleGemini 3.5 Flash
1.0M
Context
66K
Max output
May 2026
Released
OpenAIGPT 4.1
1.0M
Context
16K
Max output
Apr 2025
Released
Capabilities
GoogleGemini 3.5 Flash
Vision
Audio
Reasoning
OpenAIGPT 4.1
Vision
Audio
Reasoning
Pricing
GoogleGemini 3.5 Flash
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
OpenAIGPT 4.1
Live pricing, shown before you run
Input$2.00/M tokens
Output$8.00/M tokens
Cache read$0.50/M tokens
Web search$0.01/search
Chat with Gemini 3.5 FlashGo to model
Chat with GPT 4.1Go to model
Frequently Asked Questions: Gemini 3.5 Flash vs GPT 4.1▼

Which is better, Gemini 3.5 Flash or GPT 4.1?

▼

Based on the Capability Index, Gemini 3.5 Flash scores higher (86.2 vs 70.4). 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 4.1?

▼

Gemini 3.5 Flash has a lower blended cost. Gemini 3.5 Flash: $1.50 input / $9.00 output. GPT 4.1: $2.00 input / $8.00 output.

Which has a larger context window, Gemini 3.5 Flash or GPT 4.1?

▼

Gemini 3.5 Flash has a larger context window: Gemini 3.5 Flash supports 1M tokens vs GPT 4.1 at 1M tokens.

Do both Gemini 3.5 Flash and GPT 4.1 support vision?

▼

Yes, both Gemini 3.5 Flash and GPT 4.1 support vision/image input.

Which has better coding performance, Gemini 3.5 Flash or GPT 4.1?

▼

Gemini 3.5 Flash scores higher on SWE-bench Verified: Gemini 3.5 Flash resolves 79% vs GPT 4.1 at 49%.

What are the key differences between Gemini 3.5 Flash and GPT 4.1?

▼

Key differences: Gemini 3.5 Flash has a notably higher capability index (15.8 point gap); only Gemini 3.5 Flash 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 and GPT 4.1 for free on idapt.app to see which performs better for your specific needs.

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