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ChatGPT-4o Latest vs Claude Sonnet 4: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 8, 2026

⚡ Quick Answer

Compare ChatGPT-4o Latest and Claude Sonnet 4 across pricing, benchmarks, and capabilities.

Updated: April 8, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureChatGPT-4o LatestClaude Sonnet 4
ProviderOpenAIAnthropic
Input Price / 1M tokens$5.00$3.00
Output Price / 1M tokens$15.00$15.00
Context Window
128K
200K
Max Output Tokens
16,384
64,000
Arena ELO
1,265
1,280
Coding ELO
1,270
1,305
TTFT (ms)
150
320
Tokens/sec
100
78
MultimodalYesYes
JSON ModeYesYes
Function CallingYesYes
VisionNoYes
When to Use ChatGPT-4o Latest

ChatGPT-4o Latest excels at general-purpose, multimodal, function-calling tasks.

Strengths:

  • Latest GPT-4o
  • Improved performance
  • Always updated

Best for:

general-purposemultimodalfunction-calling
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

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