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Gemini 3.5 Flash vs Llama 3.1 8B

At a glance
GoogleGemini 3.5 Flash

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

861.0M ctx$1.50/$9.00 per M#11/92
MetaLlama 3.1 8B

Compact 8B model from Meta's Llama 3.1 series.

50131K ctx$0.02/$0.03 per M#76/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
GoogleGemini 3.5 Flash
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter
Capability
CapabilityECI86.2
Reasoning & Knowledge
Graduate Science92.8%Factual Recall68.4%
Math
Math Problems—Competition Math95.6%Research Math39.0%
Coding
Real-World Coding79.3%
Agentic
Novel Reasoning72.1%
MetaLlama 3.1 8B
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI50.3
Reasoning & Knowledge
Graduate Science25.9%Factual Recall—
Math
Math Problems22.9%Competition Math2.5%Research Math—
Coding
Real-World Coding—
Agentic
Novel Reasoning—
Specs
GoogleGemini 3.5 Flash
1.0M
Context
66K
Max output
May 2026
Released
MetaLlama 3.1 8B
131K
Context
16K
Max output
Jul 2024
Released
Capabilities
GoogleGemini 3.5 Flash
Vision
Audio
Reasoning
MetaLlama 3.1 8B
Vision
Audio
Reasoning
Pricing
GoogleGemini 3.5 Flash
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
MetaLlama 3.1 8B
Live pricing, shown before you run
Input$0.02/M tokens
Output$0.03/M tokens
Chat with Gemini 3.5 FlashGo to model
Chat with Llama 3.1 8BGo to model
Frequently Asked Questions: Gemini 3.5 Flash vs Llama 3.1 8B▼

Which is better, Gemini 3.5 Flash or Llama 3.1 8B?

▼

Based on the Capability Index, Gemini 3.5 Flash scores higher (86.2 vs 50.3). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, Gemini 3.5 Flash or Llama 3.1 8B?

▼

Llama 3.1 8B has a lower blended cost. Gemini 3.5 Flash: $1.50 input / $9.00 output. Llama 3.1 8B: $0.02 input / $0.03 output.

Which has a larger context window, Gemini 3.5 Flash or Llama 3.1 8B?

▼

Gemini 3.5 Flash has a larger context window: Gemini 3.5 Flash supports 1M tokens vs Llama 3.1 8B at 131K tokens.

Do both Gemini 3.5 Flash and Llama 3.1 8B support vision?

▼

Gemini 3.5 Flash supports vision/image input, but Llama 3.1 8B does not.

What are the key differences between Gemini 3.5 Flash and Llama 3.1 8B?

▼

Key differences: Gemini 3.5 Flash has a notably higher capability index (35.9 point gap); Llama 3.1 8B is significantly cheaper; only Gemini 3.5 Flash supports vision input; only Gemini 3.5 Flash offers extended reasoning mode. 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 Llama 3.1 8B for free on idapt.app to see which performs better for your specific needs.

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