AI Toolkit

GPT-4o vs Claude Sonnet 4.6

GPT-4o vs Claude Sonnet 4.6 head-to-head. Compare pricing, coding performance, context windows, and which model is better for developers in 2026.

OpenAI
GPT-4o

Multimodal tasks and general-purpose AI applications

Pricing (per 1M tokens)

Input$5
Output$15
Context Window128K

Key Strengths

  • Strong multimodal support (vision, audio, code)
  • Excellent at creative tasks and brainstorming
  • Largest third-party integration ecosystem
Anthropic
Claude Sonnet 4.6

Software engineering, code review, and technical work

Pricing (per 1M tokens)

Input$3
Output$15
Context Window200K

Key Strengths

  • Top-tier coding performance across all languages
  • 40% cheaper input pricing than GPT-4o
  • 200K context window for large codebases
Our Verdict

Claude Sonnet is the developer's choice — it leads on coding benchmarks, costs less per input token, and has a larger context window for processing entire codebases. GPT-4o is more versatile for multimodal and creative tasks. For software engineering, Sonnet wins; for everything else, it is a close call.

Quick Comparison

FeatureGPT-4oClaude Sonnet 4.6
ProviderOpenAIAnthropic
Input Price / 1M tokens$5$3
Output Price / 1M tokens$15$15
Context Window128K200K
Best ForMultimodal tasks and general-purpose AI applicationsSoftware engineering, code review, and technical work

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Disclaimer: Prices and features current as of February 2026. Check provider websites for latest pricing. Actual costs may vary based on usage tier, commitment discounts, and regional availability.