LV
LLMversus

Grok 2 vs Phi-3.5 Mini: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Grok 2 and Phi-3.5 Mini across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGrok 2Phi-3.5 Mini
ProviderxAIMicrosoft
Input Price / 1M tokens$2.00$0.130
Output Price / 1M tokens$10.00$0.520
Context Window
131.072K
128K
Max Output Tokens
4,096
4,096
Arena ELO
1,240
1,160
Coding ELO
1,225
1,165
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 Phi-3.5 Mini

Phi-3.5 Mini excels at cost-effective, fast-inference tasks.

Strengths:

  • Very cheap
  • Fast
  • Large context

Best for:

cost-effectivefast-inference

Related Comparisons

Claude Opus 4 vs Grok 2Claude Opus 4 vs Phi-3.5 MiniGemini 2 5 Pro vs Grok 2Gemini 2 5 Pro vs Phi-3.5 MiniGrok 2 vs O3O3 vs Phi-3.5 MiniDeepseek R1 vs Grok 2Deepseek R1 vs Phi-3.5 MiniGrok 2 vs O1O1 vs Phi-3.5 MiniGrok 2 vs Qwen 3 235bPhi-3.5 Mini vs Qwen 3 235bGemini Exp 1206 vs Grok 2Gemini Exp 1206 vs Phi-3.5 MiniGpt 4 5 vs Grok 2Gpt 4 5 vs Phi-3.5 MiniGrok 2 vs Groq Deepseek R1Groq Deepseek R1 vs Phi-3.5 MiniGrok 2 vs Llama 4 MaverickLlama 4 Maverick vs Phi-3.5 Mini