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GPT OSS 120B vs GLM-4.5

GPT OSS 120B is cheaper on output tokens. Choose GPT OSS 120B or GLM-4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT OSS 120BGLM-4.5
ProviderImpossiblImpossibl
Input / 1M tokens$0.35$0.60
Output / 1M tokens$0.75$2.20
Context window131K131K
Parameters——
Open weightsYesYes
ReleasedAug 2025Jul 2025

FAQ

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