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Claude Sonnet 4 vs Grok 2: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Claude Sonnet 4 and Grok 2 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureClaude Sonnet 4Grok 2
ProviderAnthropicxAI
Input Price / 1M tokens$3.00$2.00
Output Price / 1M tokens$15.00$10.00
Context Window
200K
131.072K
Max Output Tokens
64,000
4,096
Arena ELO
1,280
1,240
Coding ELO
1,305
1,225
TTFT (ms)
320
150
Tokens/sec
78
100
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionYesNo
When to Use Claude Sonnet 4

Claude Sonnet 4 excels at coding, analysis, long-context, agents tasks.

Strengths:

  • Best-in-class coding performance
  • 200K context window
  • Excellent instruction following

Best for:

codinganalysislong-contextagents
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

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