LLMversus

Grok 2 vs Llama 3.1 70B: Pricing, Benchmarks & Verdict (2026)

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

⚡ Quick Answer

Compare Grok 2 and Llama 3.1 70B across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGrok 2Llama 3.1 70B
ProviderxAIMeta
Input Price / 1M tokens$2.00$0.400
Output Price / 1M tokens$10.00$0.400
Context Window
131.072K
128K
Max Output Tokens
4,096
4,096
Arena ELO
1,240
1,195
Coding ELO1,225N/A
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Grok 2

Grok 2 excels at general-purpose, coding tasks.

Strengths:

  • Large context window
  • Good reasoning
  • Competitive performance

Best for:

general-purposecoding
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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