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GPT-5.5 vs GLM-5

GLM-5 is cheaper on output tokens, while GPT-5.5 offers a larger context window. Choose GPT-5.5 or GLM-5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT-5.5GLM-5
ProviderImpossiblImpossibl
Input / 1M tokens$5.00$1.00
Output / 1M tokens$30.00$3.20
Context window1.1M205K
Parameters——
Open weightsNoYes
ReleasedApr 2026Feb 2026

FAQ

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