LLMversus

Grok 3-mini vs Llama 3.1 70B: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 20, 2026By LLMversusUpdated June 14, 2026View methodology

⚡ Quick Answer

Compare Grok 3-mini and Llama 3.1 70B across pricing, benchmarks, and capabilities.

Updated: April 20, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGrok 3-miniLlama 3.1 70B
ProviderxAIMeta
Input Price / 1M tokens$0.300$0.400
Output Price / 1M tokens$0.500$0.400
Context Window
128K
128K
Max Output Tokens
4,096
4,096
Arena ELO
1,175
1,195
Coding ELO1,190N/A
TTFT (ms)
130
150
Tokens/sec
140
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Grok 3-mini

Grok 3-mini excels at cost-effective, general-purpose tasks.

Strengths:

  • Very cheap
  • Fast
  • Large context

Best for:

cost-effectivegeneral-purpose
When to Use Llama 3.1 70B

Llama 3.1 70B excels at coding, general-purpose tasks.

Strengths:

  • Good balance of speed and quality
  • Large context window
  • Strong instruction following

Best for:

codinggeneral-purpose

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