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Anthropic Claude Sonnet 5.5 vs OpenAI GPT-5.2 Pro

Anthropic Claude Sonnet 5.5 is cheaper on output tokens, while Anthropic Claude Sonnet 5.5 offers a larger context window. Choose Anthropic Claude Sonnet 5.5 or OpenAI GPT-5.2 Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecAnthropic Claude Sonnet 5.5OpenAI GPT-5.2 Pro
ProviderDigitalOceanDigitalOcean
Input / 1M tokens$2.00$21.00
Output / 1M tokens$10.00$168.00
Context window1M400K
Parameters——
Open weightsNoNo
ReleasedSep 2026Dec 2025

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.