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Grok 3 vs Phi-3.5 MoE: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Grok 3 and Phi-3.5 MoE across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGrok 3Phi-3.5 MoE
ProviderxAIMicrosoft
Input Price / 1M tokens$2.50$0.170
Output Price / 1M tokens$12.50$0.680
Context Window
200K
128K
Max Output Tokens
8,192
4,096
Arena ELO
1,285
1,195
Coding ELO
1,280
1,190
TTFT (ms)
200
150
Tokens/sec
90
100
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Grok 3

Grok 3 excels at general-purpose, coding, reasoning tasks.

Strengths:

  • Latest xAI model
  • Strong reasoning
  • Large context

Best for:

general-purposecodingreasoning
When to Use Phi-3.5 MoE

Phi-3.5 MoE excels at general-purpose, cost-effective tasks.

Strengths:

  • Mixture of experts
  • Efficient
  • Balanced performance

Best for:

general-purposecost-effective

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