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GPT 5.4 Pro vs Gemini 3.6 Flash

At a glance

OpenAI's most advanced reasoning model, built on GPT 5.4's unified architecture.

891.1M ctx$30.00/$180.00 per M#5/92

Google's high-efficiency model for coding, agentic workflows, and web and app development.

1.0M ctx$1.50/$7.50 per M
Agent Demos
All agent demos

No shared agent demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI89.1
Reasoning & Knowledge
Graduate Science94.6%Factual Recall47.8%
Math
Research Math50.0%
Agentic
Terminal Tasks—Novel Reasoning83.3%
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-21
Cheaper96%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Research Math—
Agentic
Terminal Tasks78.0%Novel Reasoning—
Specs
1.1M
Context
128K
Max output
Mar 2026
Released
1.0M
Context
66K
Max output
Jul 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$30.00/M tokens
Output$180.00/M tokens
Web search29%$0.01/search
Live pricing, shown before you run
Input95%$1.50/M tokens
Output96%$7.50/M tokens
Reasoning$7.50/M tokens
Cache read$0.15/M tokens
Cache write$0.08/M tokens
Image input$1.50/M tokens
Audio input$1.50/M tokens
Web search$0.01/search
Chat with GPT 5.4 ProGo to model
Chat with Gemini 3.6 FlashGo to model
Frequently Asked Questions: GPT 5.4 Pro vs Gemini 3.6 Flash▼

Which is better, GPT 5.4 Pro or Gemini 3.6 Flash?

▼

Both GPT 5.4 Pro and Gemini 3.6 Flash are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, GPT 5.4 Pro or Gemini 3.6 Flash?

▼

Gemini 3.6 Flash has a lower blended cost. GPT 5.4 Pro: $30.00 input / $180.00 output. Gemini 3.6 Flash: $1.50 input / $7.50 output.

Which has a larger context window, GPT 5.4 Pro or Gemini 3.6 Flash?

▼

GPT 5.4 Pro has a larger context window: GPT 5.4 Pro supports 1.1M tokens vs Gemini 3.6 Flash at 1M tokens.

Do both GPT 5.4 Pro and Gemini 3.6 Flash support vision?

▼

Yes, both GPT 5.4 Pro and Gemini 3.6 Flash support vision/image input.

What are the key differences between GPT 5.4 Pro and Gemini 3.6 Flash?

▼

Key differences: Gemini 3.6 Flash 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 GPT 5.4 Pro and Gemini 3.6 Flash for free on idapt.app to see which performs better for your specific needs.

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