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Claude 3.5 Sonnet vs Grok 3: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare Claude 3.5 Sonnet and Grok 3 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureClaude 3.5 SonnetGrok 3
ProviderAnthropicxAI
Input Price / 1M tokens$3.00$2.50
Output Price / 1M tokens$15.00$12.50
Context Window
200K
200K
Max Output Tokens
8,192
8,192
Arena ELO
1,270
1,285
Coding ELO
1,300
1,280
TTFT (ms)
150
200
Tokens/sec
100
90
MultimodalYesNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use Claude 3.5 Sonnet

Claude 3.5 Sonnet excels at coding, general-purpose, multimodal tasks.

Strengths:

  • Best coding
  • Large context
  • Strong reasoning

Best for:

codinggeneral-purposemultimodal
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

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