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GPT OSS 120B vs DeepSeek V4.1 Flash

GPT OSS 120B is cheaper on output tokens, while DeepSeek V4.1 Flash offers a larger context window. Choose GPT OSS 120B or DeepSeek V4.1 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGPT OSS 120BDeepSeek V4.1 Flash
ProviderAKI.IOAKI.IO
Input / 1M tokens$0.15$0.25
Output / 1M tokens$0.55$1.00
Context window128K1M
Parameters——
Open weightsYesYes
ReleasedAug 2025Sep 2026

FAQ

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