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Step 3.7 Flash vs Gemini 3.5 Flash

At a glance

StepFun's efficient multimodal MoE model for high-throughput analysis and agents.

256K ctx$0.20/$1.15 per M

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

861.0M ctx$1.50/$9.00 per M#11/92
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
Cheaper87%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—Research Math—
Coding
Real-World Coding—
Agentic
Novel Reasoning—
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%
Specs
256K
Context
128K
Max output
May 2026
Released
1.0M
Context
66K
Max output
May 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input87%$0.20/M tokens
Output87%$1.15/M tokens
Cache read73%$0.04/M tokens
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
Chat with Step 3.7 FlashGo to model
Chat with Gemini 3.5 FlashGo to model
Frequently Asked Questions: Step 3.7 Flash vs Gemini 3.5 Flash▼

Which is better, Step 3.7 Flash or Gemini 3.5 Flash?

▼

Both Step 3.7 Flash and Gemini 3.5 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, Step 3.7 Flash or Gemini 3.5 Flash?

▼

Step 3.7 Flash has a lower blended cost. Step 3.7 Flash: $0.20 input / $1.15 output. Gemini 3.5 Flash: $1.50 input / $9.00 output.

Which has a larger context window, Step 3.7 Flash or Gemini 3.5 Flash?

▼

Gemini 3.5 Flash has a larger context window: Step 3.7 Flash supports 256K tokens vs Gemini 3.5 Flash at 1M tokens.

Do both Step 3.7 Flash and Gemini 3.5 Flash support vision?

▼

Yes, both Step 3.7 Flash and Gemini 3.5 Flash support vision/image input.

What are the key differences between Step 3.7 Flash and Gemini 3.5 Flash?

▼

Key differences: Step 3.7 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 Step 3.7 Flash and Gemini 3.5 Flash for free on idapt.app to see which performs better for your specific needs.

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