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GPT-5.5 Pro vs GLM 5

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

SpecGPT-5.5 ProGLM 5
ProviderVenice AIVenice AI
Input / 1M tokens$37.50$1.00
Output / 1M tokens$225.00$3.20
Context window1M198K
Parameters744B
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.