Is GPT OSS 120B or GPT-5.5 cheaper?

GPT OSS 120B is cheaper on output tokens ($0.60 vs $15.00 per 1M).

Which has the larger context window, GPT OSS 120B or GPT-5.5?

GPT-5.5 has the larger context window (272K tokens).

GPT OSS 120B vs GPT-5.5

GPT OSS 120B is cheaper on output tokens, while GPT-5.5 offers a larger context window. Choose GPT OSS 120B or GPT-5.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT OSS 120B	GPT-5.5
Provider	FrogBot	FrogBot
Input / 1M tokens	$0.15	$2.50
Output / 1M tokens	$0.60	$15.00
Context window	131K	272K
Parameters	117B	—
Open weights	Yes	No
Released	Jan 1970	Mar 2026

GPT OSS 120B details →GPT-5.5 details →

FAQ

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