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Gemini 3.1 Pro vs DeepSeek V4.1 Flash 1017

At a glance

Google's frontier model with a large leap in core reasoning.

861.0M ctx$2.00/$12.00 per M#10/92

DeepSeek's October 2026 checkpoint of the V4.1 Flash workhorse, refreshed for stronger agentic coding with shorter, faster answers.

1.0M ctx$0.15/$0.60 per M
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
Sources:Epoch ECI·Epoch AI·Provider·OpenRouter· as of 2026-10-02
Capability
CapabilityECI86.4
Reasoning & Knowledge
Graduate Science94.4%Expert-Level46.4%Factual Recall73.5%
Math
Competition Math95.6%Research Math36.9%
Coding
Real-World Coding80.6%
Agentic
Terminal Tasks80.2%Novel Reasoning77.1%Task Horizon6.4h
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper94%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Expert-Level—Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks—Novel Reasoning—Task Horizon—
Specs
1.0M
Context
66K
Max output
Feb 2026
Released
1.0M
Context
256K
Max output
Oct 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$2.00/M tokens
Output$12.00/M tokens
Reasoning$12.00/M tokens
Cache read$0.20/M tokens
Cache write$0.38/M tokens
Image input$2.00/M tokens
Audio input$2.00/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input93%$0.15/M tokens
Output95%$0.60/M tokens
Cache read99%$0.003/M tokens
Chat with Gemini 3.1 ProGo to model
Chat with DeepSeek V4.1 Flash 1017Go to model
Frequently Asked Questions: Gemini 3.1 Pro vs DeepSeek V4.1 Flash 1017▼

Which is better, Gemini 3.1 Pro or DeepSeek V4.1 Flash 1017?

▼

Both Gemini 3.1 Pro and DeepSeek V4.1 Flash 1017 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, Gemini 3.1 Pro or DeepSeek V4.1 Flash 1017?

▼

DeepSeek V4.1 Flash 1017 has a lower blended cost. Gemini 3.1 Pro: $2.00 input / $12.00 output. DeepSeek V4.1 Flash 1017: $0.15 input / $0.60 output.

Which has a larger context window, Gemini 3.1 Pro or DeepSeek V4.1 Flash 1017?

▼

Gemini 3.1 Pro has a larger context window: Gemini 3.1 Pro supports 1M tokens vs DeepSeek V4.1 Flash 1017 at 1M tokens.

Do both Gemini 3.1 Pro and DeepSeek V4.1 Flash 1017 support vision?

▼

Yes, both Gemini 3.1 Pro and DeepSeek V4.1 Flash 1017 support vision/image input.

What are the key differences between Gemini 3.1 Pro and DeepSeek V4.1 Flash 1017?

▼

Key differences: DeepSeek V4.1 Flash 1017 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 3.1 Pro and DeepSeek V4.1 Flash 1017 for free on idapt.app to see which performs better for your specific needs.

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