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Gemini 3.5 Flash-Lite vs DeepSeek V3.1

At a glance

Google's high-efficiency model for focused subagent work and multi-agent workflows.

1.0M ctx$0.30/$2.50 per M

Large hybrid reasoning model supporting thinking and non-thinking modes.

72164K ctx$0.25/$0.95 per M#54/92
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
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·OpenRouter· as of 2026-07-10
Cheaper50%
Specs
1.0M
Context
66K
Max output
Jul 2026
Released
164K
Context
33K
Max output
Aug 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$0.30/M tokens
Output$2.50/M tokens
Reasoning$2.50/M tokens
Cache read77%$0.03/M tokens
Cache write$0.08/M tokens
Image input$0.30/M tokens
Audio input$0.30/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input17%$0.25/M tokens
Output62%$0.95/M tokens
Cache read$0.13/M tokens
Chat with Gemini 3.5 Flash-LiteGo to model
Chat with DeepSeek V3.1Go to model
Frequently Asked Questions: Gemini 3.5 Flash-Lite vs DeepSeek V3.1▼

Which is better, Gemini 3.5 Flash-Lite or DeepSeek V3.1?

▼

Both Gemini 3.5 Flash-Lite and DeepSeek V3.1 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 3.5 Flash-Lite or DeepSeek V3.1?

▼

DeepSeek V3.1 has a lower blended cost. Gemini 3.5 Flash-Lite: $0.30 input / $2.50 output. DeepSeek V3.1: $0.25 input / $0.95 output.

Which has a larger context window, Gemini 3.5 Flash-Lite or DeepSeek V3.1?

▼

Gemini 3.5 Flash-Lite has a larger context window: Gemini 3.5 Flash-Lite supports 1M tokens vs DeepSeek V3.1 at 164K tokens.

Do both Gemini 3.5 Flash-Lite and DeepSeek V3.1 support vision?

▼

Gemini 3.5 Flash-Lite supports vision/image input, but DeepSeek V3.1 does not.

What are the key differences between Gemini 3.5 Flash-Lite and DeepSeek V3.1?

▼

Key differences: only Gemini 3.5 Flash-Lite 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 3.5 Flash-Lite and DeepSeek V3.1 for free on idapt.app to see which performs better for your specific needs.

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