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GPT Oss 120b vs GLM-5.1

GPT Oss 120b is cheaper on output tokens, while GLM-5.1 offers a larger context window. Choose GPT Oss 120b or GLM-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT Oss 120bGLM-5.1
ProviderCortecsCortecs
Input / 1M tokens$0.00$1.31
Output / 1M tokens$0.00$4.10
Context window128K205K
Parameters117B754B
Open weightsYesYes
ReleasedAug 2025Apr 2026

FAQ

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