Is Perceptron Mk1 or GPT OSS 120B cheaper?

GPT OSS 120B is cheaper on output tokens ($0.15 vs $1.50 per 1M).

Which has the larger context window, Perceptron Mk1 or GPT OSS 120B?

GPT OSS 120B has the larger context window (131K tokens).

Perceptron Mk1 vs GPT OSS 120B

GPT OSS 120B is cheaper on output tokens, while GPT OSS 120B offers a larger context window. Choose Perceptron Mk1 or GPT OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Perceptron Mk1	GPT OSS 120B
Provider	OpenRouter	OpenRouter
Input / 1M tokens	$0.15	$0.03
Output / 1M tokens	$1.50	$0.15
Context window	33K	131K
Parameters	—	117B
Open weights	No	Yes
Released	May 2026	Aug 2025

Perceptron Mk1 details →GPT OSS 120B details →

FAQ

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