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GPT-5.6 Luna vs GPT OSS Safeguard 120B

GPT OSS Safeguard 120B is cheaper on output tokens, while GPT-5.6 Luna offers a larger context window. Choose GPT-5.6 Luna or GPT OSS Safeguard 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT-5.6 LunaGPT OSS Safeguard 120B
ProviderCortecsCortecs
Input / 1M tokens$0.22$0.18
Output / 1M tokens$1.32$0.70
Context window1.1M128K
Parameters——
Open weightsNoYes
ReleasedJul 2026Oct 2025

FAQ

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