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Gemini 3.5 Flash vs Seed 1.6 Flash

At a glance

Google's high-speed thinking model for agentic workflows, chat, and coding.

861.0M ctx$1.50/$9.00 per M#11/92

Fast variant of Seed 1.6 for low-latency applications.

262K ctx$0.07/$0.30 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
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI86.2
Reasoning & Knowledge
Graduate Science92.8%Factual Recall68.4%
Math
Competition Math95.6%Research Math39.0%
Coding
Real-World Coding79.3%
Agentic
Novel Reasoning72.1%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper96%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Novel Reasoning—
Specs
1.0M
Context
66K
Max output
May 2026
Released
262K
Context
33K
Max output
Dec 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$1.50/M tokens
Output$9.00/M tokens
Reasoning$9.00/M tokens
Cache read$0.15/M tokens
Cache write$0.08/M tokens
Image input$1.50/M tokens
Audio input$3.00/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input95%$0.07/M tokens
Output97%$0.30/M tokens
Chat with Gemini 3.5 FlashGo to model
Chat with Seed 1.6 FlashGo to model
Frequently Asked Questions: Gemini 3.5 Flash vs Seed 1.6 Flash▼

Which is better, Gemini 3.5 Flash or Seed 1.6 Flash?

▼

Both Gemini 3.5 Flash and Seed 1.6 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 3.5 Flash or Seed 1.6 Flash?

▼

Seed 1.6 Flash has a lower blended cost. Gemini 3.5 Flash: $1.50 input / $9.00 output. Seed 1.6 Flash: $0.07 input / $0.30 output.

Which has a larger context window, Gemini 3.5 Flash or Seed 1.6 Flash?

▼

Gemini 3.5 Flash has a larger context window: Gemini 3.5 Flash supports 1M tokens vs Seed 1.6 Flash at 262K tokens.

Do both Gemini 3.5 Flash and Seed 1.6 Flash support vision?

▼

Yes, both Gemini 3.5 Flash and Seed 1.6 Flash support vision/image input.

What are the key differences between Gemini 3.5 Flash and Seed 1.6 Flash?

▼

Key differences: Seed 1.6 Flash is significantly cheaper. 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 and Seed 1.6 Flash for free on idapt.app to see which performs better for your specific needs.

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