LLMversus

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

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

⚡ Quick Answer

Compare Llama 3.1 70B and Phi-3 Medium across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureLlama 3.1 70BPhi-3 Medium
ProviderMetaMicrosoft
Input Price / 1M tokens$0.400$0.170
Output Price / 1M tokens$0.400$0.170
Context Window
128K
128K
Max Output Tokens
4,096
4,096
Arena ELO
1,195
1,170
Coding ELON/A1,175
TTFT (ms)
150
150
Tokens/sec
100
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
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
When to Use Phi-3 Medium

Phi-3 Medium excels at cost-effective, general-purpose tasks.

Strengths:

  • Affordable
  • Fast
  • Good instruction following

Best for:

cost-effectivegeneral-purpose

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