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Gemini 3 Flash vs DeepSeek V4 Pro (0813)

At a glance

High-speed thinking model for agentic workflows and coding.

821.0M ctx$0.50/$3.00 per M#18/92

The GA release of DeepSeek's open 1.6T-parameter MoE flagship for advanced reasoning and long-horizon agents.

1.0M ctx$0.66/$1.98 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·OpenRouter· as of 2026-10-02
Capability
CapabilityECI82.4
Reasoning & Knowledge
Graduate Science89.4%Factual Recall26%66.8%
Math
Competition Math95.6%Research Math35.6%
Coding
Real-World Coding75.4%
Agentic
Terminal Tasks64.3%Novel Reasoning33.6%
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Cheaper12%
Capability
Capability—
Reasoning & Knowledge
Graduate Science3%91.7%Factual Recall52.9%
Math
Competition Math3%98.6%Research Math—
Coding
Real-World Coding—
Agentic
Terminal Tasks—Novel Reasoning82%61.3%
Specs
1.0M
Context
66K
Max output
Dec 2025
Released
1.0M
Context
256K
Max output
Aug 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input24%$0.50/M tokens
Output$3.00/M tokens
Reasoning$3.00/M tokens
Cache read$0.05/M tokens
Cache write$0.08/M tokens
Image input$0.50/M tokens
Audio input$1.00/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$0.66/M tokens
Output34%$1.98/M tokens
Cache read56%$0.02/M tokens
Chat with Gemini 3 FlashGo to model
Chat with DeepSeek V4 Pro (0813)Go to model
Frequently Asked Questions: Gemini 3 Flash vs DeepSeek V4 Pro (0813)▼

Which is better, Gemini 3 Flash or DeepSeek V4 Pro (0813)?

▼

Both Gemini 3 Flash and DeepSeek V4 Pro (0813) 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 Flash or DeepSeek V4 Pro (0813)?

▼

DeepSeek V4 Pro (0813) has a lower blended cost. Gemini 3 Flash: $0.50 input / $3.00 output. DeepSeek V4 Pro (0813): $0.66 input / $1.98 output.

Which has a larger context window, Gemini 3 Flash or DeepSeek V4 Pro (0813)?

▼

Gemini 3 Flash has a larger context window: Gemini 3 Flash supports 1M tokens vs DeepSeek V4 Pro (0813) at 1M tokens.

Do both Gemini 3 Flash and DeepSeek V4 Pro (0813) support vision?

▼

Gemini 3 Flash supports vision/image input, but DeepSeek V4 Pro (0813) does not.

What are the key differences between Gemini 3 Flash and DeepSeek V4 Pro (0813)?

▼

Key differences: only Gemini 3 Flash 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 Flash and DeepSeek V4 Pro (0813) for free on idapt.app to see which performs better for your specific needs.

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