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Claude Sonnet 5.5 vs DeepSeek-R1-0528

DeepSeek-R1-0528 is cheaper on output tokens, while Claude Sonnet 5.5 offers a larger context window. Choose Claude Sonnet 5.5 or DeepSeek-R1-0528 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecClaude Sonnet 5.5DeepSeek-R1-0528
ProviderAzureAzure
Input / 1M tokens$2.00$1.35
Output / 1M tokens$10.00$5.40
Context window1M164K
Parameters——
Open weightsNoYes
ReleasedSep 2026May 2025

FAQ

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