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GPT OSS 120B

SyntheticOpen weights

GPT OSS 120B by Synthetic costs $0.10 per 1M input tokens and $0.10 per 1M output tokens, with a 128K-token context window.

Pricing

Input (per 1M tokens)
$0.10
Output (per 1M tokens)
$0.10
Cached input (per 1M)
—

Specifications

Provider
Synthetic
Context window
128K tokens
Parameters
117B
Released
Aug 2025
Open weights
Yes
Frontier model
No

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FAQ

Pricing is per 1M tokens (USD); confirm with the provider before production use.