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GLM 5.3 Fast vs Kimi K3

GLM 5.3 Fast is cheaper on output tokens, while Kimi K3 offers a larger context window. Choose GLM 5.3 Fast or Kimi K3 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGLM 5.3 FastKimi K3
ProviderFireworks AIFireworks AI
Input / 1M tokens$2.10$3.00
Output / 1M tokens$6.60$15.00
Context window1M1M
Parameters——
Open weightsYesYes
ReleasedAug 2026Jul 2026

FAQ

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