LV
LLMversus

Phi-4 vs Sonar Pro: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Phi-4 and Sonar Pro across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeaturePhi-4Sonar Pro
ProviderMicrosoftPerplexity
Input Price / 1M tokens$0.065$3.00
Output Price / 1M tokens$0.140$15.00
Context Window
16.384K
200K
Max Output Tokens
4,096
8,192
Arena ELO
1,150
1,200
Coding ELO
1,130
1,195
TTFT (ms)
100
150
Tokens/sec
160
100
MultimodalNoNo
JSON ModeYesYes
Function CallingNoYes
VisionNoNo
When to Use Phi-4

Phi-4 excels at cost-sensitive, edge-deployment, math, lightweight-tasks tasks.

Strengths:

  • Ultra-low cost for a capable model
  • Strong math for its size (14B params)
  • Very fast inference
  • Can run on consumer hardware

Best for:

cost-sensitiveedge-deploymentmathlightweight-tasks
When to Use Sonar Pro

Sonar Pro excels at web-search, general-purpose, reasoning tasks.

Strengths:

  • Built-in web search
  • Fresh information
  • Long context

Best for:

web-searchgeneral-purposereasoning

Related Comparisons

Claude Opus 4 vs Sonar ProClaude Opus 4 vs Phi-4Gemini 2 5 Pro vs Sonar ProGemini 2 5 Pro vs Phi-4O3 vs Sonar ProO3 vs Phi-4Deepseek R1 vs Sonar ProDeepseek R1 vs Phi-4O1 vs Sonar ProO1 vs Phi-4Qwen 3 235b vs Sonar ProPhi-4 vs Qwen 3 235bGemini Exp 1206 vs Sonar ProGemini Exp 1206 vs Phi-4Gpt 4 5 vs Sonar ProGpt 4 5 vs Phi-4Groq Deepseek R1 vs Sonar ProGroq Deepseek R1 vs Phi-4Llama 4 Maverick vs Sonar ProLlama 4 Maverick vs Phi-4