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GLM 5.3 Fast vs DeepSeek V3.1

DeepSeek V3.1 is cheaper on output tokens, while GLM 5.3 Fast offers a larger context window. Choose GLM 5.3 Fast or DeepSeek V3.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGLM 5.3 FastDeepSeek V3.1
ProviderBasetenBaseten
Input / 1M tokens$2.10$0.50
Output / 1M tokens$6.60$1.50
Context window1M164K
Parameters——
Open weightsYesYes
ReleasedAug 2026Aug 2025

FAQ

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