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Gemini 3.5 Flash-Lite vs DeepSeek R1

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

Open-source reasoning model matching OpenAI o1 performance.

7264K ctx$0.70/$2.50 per M#51/92
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
Cheaper26%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—
Math
Math Problems—Competition Math—
Coding
Code Editing—
Agentic
Novel Reasoning—Task Horizon—
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI72.4
Reasoning & Knowledge
Graduate Science69.2%
Math
Math Problems93.1%Competition Math53.3%
Coding
Code Editing56.9%
Agentic
Novel Reasoning1.3%Task Horizon27min
Specs
1.0M
Context
66K
Max output
Jul 2026
Released
64K
Context
16K
Max output
Jan 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input57%$0.30/M tokens
Output$2.50/M tokens
Reasoning$2.50/M tokens
Cache read$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
Input$0.70/M tokens
Output$2.50/M tokens
Chat with Gemini 3.5 Flash-LiteGo to model
Chat with DeepSeek R1Go to model
Frequently Asked Questions: Gemini 3.5 Flash-Lite vs DeepSeek R1▼

Which is better, Gemini 3.5 Flash-Lite or DeepSeek R1?

▼

Both Gemini 3.5 Flash-Lite and DeepSeek R1 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 R1?

▼

Gemini 3.5 Flash-Lite has a lower blended cost. Gemini 3.5 Flash-Lite: $0.30 input / $2.50 output. DeepSeek R1: $0.70 input / $2.50 output.

Which has a larger context window, Gemini 3.5 Flash-Lite or DeepSeek R1?

▼

Gemini 3.5 Flash-Lite has a larger context window: Gemini 3.5 Flash-Lite supports 1M tokens vs DeepSeek R1 at 64K tokens.

Do both Gemini 3.5 Flash-Lite and DeepSeek R1 support vision?

▼

Gemini 3.5 Flash-Lite supports vision/image input, but DeepSeek R1 does not.

What are the key differences between Gemini 3.5 Flash-Lite and DeepSeek R1?

▼

Key differences: Gemini 3.5 Flash-Lite is significantly cheaper; 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 R1 for free on idapt.app to see which performs better for your specific needs.

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