LLMversus

Grok 2 vs Sonar Pro: Pricing, Benchmarks & Verdict (2026)

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

⚡ Quick Answer

Compare Grok 2 and Sonar Pro across pricing, benchmarks, and capabilities.

Updated: September 14, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGrok 2Sonar Pro
ProviderxAIPerplexity
Input Price / 1M tokens$2.00$3.00
Output Price / 1M tokens$10.00$15.00
Context Window
131.072K
200K
Max Output Tokens
4,096
8,192
Arena ELO
1,240
1,200
Coding ELO
1,225
1,195
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 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

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