LLMversus

Llama 3.1 8B (Groq) vs Llama 3.1 405B: Pricing, Benchmarks & Verdict (2026)

Pricing verified Sep 14, 2026By LLMversusUpdated September 17, 2026View methodology

⚡ Quick Answer

Compare Llama 3.1 8B (Groq) and Llama 3.1 405B across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureLlama 3.1 8B (Groq)Llama 3.1 405B
ProviderGroqMeta
Input Price / 1M tokens$0.050$3.00
Output Price / 1M tokens$0.080$3.00
Context Window
128K
128K
Max Output Tokens
4,096
4,096
Arena ELO
1,120
1,240
Coding ELON/A1,200
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Llama 3.1 8B (Groq)

Llama 3.1 8B (Groq) excels at fast-inference, cost-effective tasks.

Strengths:

  • Insanely fast
  • Super cheap
  • Best for real-time

Best for:

fast-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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