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Gemini 1.5 Flash vs Llama 3.1 405B: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Gemini 1.5 Flash and Llama 3.1 405B across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGemini 1.5 FlashLlama 3.1 405B
ProviderGoogleMeta
Input Price / 1M tokens$0.075$3.00
Output Price / 1M tokens$0.300$3.00
Context Window
1M
128K
Max Output Tokens
8,192
4,096
Arena ELO
1,190
1,240
Coding ELON/A1,200
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Gemini 1.5 Flash

Gemini 1.5 Flash excels at multimodal, fast-inference, cost-effective tasks.

Strengths:

  • Super cheap
  • 1M context window
  • Fast multimodal processing

Best for:

multimodalfast-inferencecost-effective
When to Use Llama 3.1 405B

Llama 3.1 405B excels at general-purpose, reasoning, long-context tasks.

Strengths:

  • Largest open model
  • Excellent reasoning
  • High quality outputs

Best for:

general-purposereasoninglong-context

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