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Gemini 3.8 Flash vs GLM 4.6

At a glance

Google's most intelligent Flash model, with significant gains over 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.

1.0M ctx$0.75/$3.75 per M

Zhipu AI's GLM 4.6 generation model.

74203K ctx$0.50/$2.00 per M#47/92
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
Capability
Capability—
Agentic
Terminal Tasks—
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper42%
Capability
CapabilityECI73.5
Agentic
Terminal Tasks24.5%
Specs
1.0M
Context
66K
Max output
Sep 2026
Released
203K
Context
131K
Max output
Sep 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$0.75/M tokens
Output$3.75/M tokens
Reasoning$3.75/M tokens
Cache read25%$0.07/M tokens
Cache write$0.04/M tokens
Image input$0.75/M tokens
Audio input$0.75/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input33%$0.50/M tokens
Output47%$2.00/M tokens
Cache read$0.10/M tokens
Chat with Gemini 3.8 FlashGo to model
Chat with GLM 4.6Go to model
Frequently Asked Questions: Gemini 3.8 Flash vs GLM 4.6▼

Which is better, Gemini 3.8 Flash or GLM 4.6?

▼

Both Gemini 3.8 Flash and GLM 4.6 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 3.8 Flash or GLM 4.6?

▼

GLM 4.6 has a lower blended cost. Gemini 3.8 Flash: $0.75 input / $3.75 output. GLM 4.6: $0.50 input / $2.00 output.

Which has a larger context window, Gemini 3.8 Flash or GLM 4.6?

▼

Gemini 3.8 Flash has a larger context window: Gemini 3.8 Flash supports 1M tokens vs GLM 4.6 at 203K tokens.

Do both Gemini 3.8 Flash and GLM 4.6 support vision?

▼

Gemini 3.8 Flash supports vision/image input, but GLM 4.6 does not.

What are the key differences between Gemini 3.8 Flash and GLM 4.6?

▼

Key differences: only Gemini 3.8 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 3.8 Flash and GLM 4.6 for free on idapt.app to see which performs better for your specific needs.

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