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DeepSeek V4 Pro vs Gemini 3.1 Pro

At a glance

Open-source 1.6T-parameter MoE with 49B active, built for advanced reasoning and long-horizon agents.

821.0M ctx$0.43/$0.87 per M#21/92

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

861.0M ctx$2.00/$12.00 per M#10/92
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
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper88%
Capability
CapabilityECI81.6
Reasoning & Knowledge
Graduate Science89.6%Expert-Level—Factual Recall57.0%
Math
Competition Math1%96.7%Research Math—
Coding
Real-World Coding77.6%
Agentic
Terminal Tasks—Novel Reasoning—Task Horizon—
Reasoning
Sources:Epoch ECI·Epoch AI·Provider·OpenRouter· as of 2026-07-10
Smarter6%
Capability
CapabilityECI6%86.4
Reasoning & Knowledge
Graduate Science5%94.1%Expert-Level46.4%Factual Recall36%77.3%
Math
Competition Math95.6%Research Math36.9%
Coding
Real-World Coding4%80.6%
Agentic
Terminal Tasks80.2%Novel Reasoning77.1%Task Horizon6.4h
Specs
1.0M
Context
256K
Max output
Apr 2026
Released
1.0M
Context
66K
Max output
Feb 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input78%$0.43/M tokens
Output93%$0.87/M tokens
Cache read98%$0.004/M tokens
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
Chat with DeepSeek V4 ProGo to model
Chat with Gemini 3.1 ProGo to model
Frequently Asked Questions: DeepSeek V4 Pro vs Gemini 3.1 Pro▼

Which is better, DeepSeek V4 Pro or Gemini 3.1 Pro?

▼

Based on the Capability Index, Gemini 3.1 Pro scores higher (86.4 vs 81.6). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, DeepSeek V4 Pro or Gemini 3.1 Pro?

▼

DeepSeek V4 Pro has a lower blended cost. DeepSeek V4 Pro: $0.43 input / $0.87 output. Gemini 3.1 Pro: $2.00 input / $12.00 output.

Which has a larger context window, DeepSeek V4 Pro or Gemini 3.1 Pro?

▼

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

Do both DeepSeek V4 Pro and Gemini 3.1 Pro support vision?

▼

Gemini 3.1 Pro supports vision/image input, but DeepSeek V4 Pro does not.

Which has better coding performance, DeepSeek V4 Pro or Gemini 3.1 Pro?

▼

Gemini 3.1 Pro scores higher on SWE-bench Verified: DeepSeek V4 Pro resolves 78% vs Gemini 3.1 Pro at 81%.

What are the key differences between DeepSeek V4 Pro and Gemini 3.1 Pro?

▼

Key differences: DeepSeek V4 Pro is significantly cheaper; only Gemini 3.1 Pro supports vision input. 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 DeepSeek V4 Pro and Gemini 3.1 Pro for free on idapt.app to see which performs better for your specific needs.

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