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Gemini 3.1 Pro vs DeepSeek V4 Flash

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

Efficiency-optimized DeepSeek V4 at 284B total / 13B active for fast, high-throughput inference.

1.0M ctx$0.09/$0.19 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
Sources:Epoch ECI·Epoch AI·Provider·OpenRouter· as of 2026-07-10
Capability
CapabilityECI86.4
Reasoning & Knowledge
Graduate Science94.1%Expert-Level46.4%Factual Recall77.3%
Math
Competition Math95.6%Research Math36.9%
Coding
Real-World Coding80.6%
Agentic
Terminal Tasks80.2%Novel Reasoning77.1%Task Horizon6.4h
No benchmarks available

This model hasn't been benchmarked yet.

Specs
1.0M
Context
66K
Max output
Feb 2026
Released
1.0M
Context
16K
Max output
Apr 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
Input95%$0.09/M tokens
Output98%$0.19/M tokens
Cache read91%$0.02/M tokens
Chat with Gemini 3.1 ProGo to model
Chat with DeepSeek V4 FlashGo to model
Frequently Asked Questions: Gemini 3.1 Pro vs DeepSeek V4 Flash▼

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

▼

Both Gemini 3.1 Pro and DeepSeek V4 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, Gemini 3.1 Pro or DeepSeek V4 Flash?

▼

DeepSeek V4 Flash has a lower blended cost. Gemini 3.1 Pro: $2.00 input / $12.00 output. DeepSeek V4 Flash: $0.09 input / $0.19 output.

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

▼

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

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

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

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

▼

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

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