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DeepSeek Chat vs GPT-5.5 Pro

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

SpecDeepSeek ChatGPT-5.5 Pro
ProviderOrcaRouterOrcaRouter
Input / 1M tokens$0.14$30.00
Output / 1M tokens$0.28$180.00
Context window1M1.1M
Parameters
Open weightsYesNo
ReleasedDec 2025Apr 2026

FAQ

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