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Gemini 3.5 Flash vs GPT 4 Turbo

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 Turbo

GPT-4 Turbo with vision capabilities and improved performance.

61128K ctx$10.00/$30.00 per M#68/92
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%Factual Recall68.4%
Math
Math Problems—Competition Math95.6%Research Math39.0%
Coding
Real-World Coding79.3%
Agentic
Novel Reasoning72.1%Task Horizon—
OpenAIGPT 4 Turbo
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI61.4
Reasoning & Knowledge
Graduate Science46.6%Factual Recall—
Math
Math Problems46.7%Competition Math6.7%Research Math—
Coding
Real-World Coding—
Agentic
Novel Reasoning—Task Horizon7min
Specs
GoogleGemini 3.5 Flash
1.0M
Context
66K
Max output
May 2026
Released
OpenAIGPT 4 Turbo
128K
Context
4K
Max output
Apr 2024
Released
Capabilities
GoogleGemini 3.5 Flash
Vision
Audio
Reasoning
OpenAIGPT 4 Turbo
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 Turbo
Live pricing, shown before you run
Input$10.00/M tokens
Output$30.00/M tokens
Chat with Gemini 3.5 FlashGo to model
Chat with GPT 4 TurboGo to model
Frequently Asked Questions: Gemini 3.5 Flash vs GPT 4 Turbo▼

Which is better, Gemini 3.5 Flash or GPT 4 Turbo?

▼

Based on the Capability Index, Gemini 3.5 Flash scores higher (86.2 vs 61.4). 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 Turbo?

▼

Gemini 3.5 Flash has a lower blended cost. Gemini 3.5 Flash: $1.50 input / $9.00 output. GPT 4 Turbo: $10.00 input / $30.00 output.

Which has a larger context window, Gemini 3.5 Flash or GPT 4 Turbo?

▼

Gemini 3.5 Flash has a larger context window: Gemini 3.5 Flash supports 1M tokens vs GPT 4 Turbo at 128K tokens.

Do both Gemini 3.5 Flash and GPT 4 Turbo support vision?

▼

Yes, both Gemini 3.5 Flash and GPT 4 Turbo support vision/image input.

What are the key differences between Gemini 3.5 Flash and GPT 4 Turbo?

▼

Key differences: Gemini 3.5 Flash has a notably higher capability index (24.8 point gap); Gemini 3.5 Flash is significantly cheaper; 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 Turbo for free on idapt.app to see which performs better for your specific needs.

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