AI Toolkit

Claude Opus 4.6 vs GPT-4o

Claude Opus 4.6 vs GPT-4o compared. Which premium AI model delivers better reasoning, writing, and analysis? Full pricing and feature comparison for 2026.

Anthropic
Claude Opus 4.6

Complex research, strategy documents, and expert-level analysis

Pricing (per 1M tokens)

Input$15
Output$75
Context Window200K

Key Strengths

  • Best-in-class deep reasoning and analysis
  • 200K context window for thorough document review
  • Exceptional instruction following and safety
OpenAI
GPT-4o

Multimodal tasks and cost-effective frontier performance

Pricing (per 1M tokens)

Input$5
Output$15
Context Window128K

Key Strengths

  • 3x cheaper input pricing than Opus
  • Native vision, audio, and file processing
  • Largest ecosystem of tools and integrations
Our Verdict

Claude Opus is the premium reasoning model — it excels at deep analysis, nuanced writing, and complex multi-step tasks. GPT-4o offers excellent performance at a third of the price with broader multimodal capabilities. For the highest quality output on difficult tasks, Opus justifies its price; for strong performance across diverse tasks, GPT-4o offers better value.

Quick Comparison

FeatureClaude Opus 4.6GPT-4o
ProviderAnthropicOpenAI
Input Price / 1M tokens$15$5
Output Price / 1M tokens$75$15
Context Window200K128K
Best ForComplex research, strategy documents, and expert-level analysisMultimodal tasks and cost-effective frontier performance

Related Comparisons

Need Help Choosing the Right AI?

We help UK businesses integrate AI tools into their workflows. From model selection to full automation builds — we can help.

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.