Is GPT-OSS-120B-CS or Claude-Opus-4.7 cheaper?

GPT-OSS-120B-CS is cheaper on output tokens ($0.75 vs $21.00 per 1M).

Which has the larger context window, GPT-OSS-120B-CS or Claude-Opus-4.7?

Claude-Opus-4.7 has the larger context window (1M tokens).

GPT-OSS-120B-CS vs Claude-Opus-4.7

GPT-OSS-120B-CS is cheaper on output tokens, while Claude-Opus-4.7 offers a larger context window. Choose GPT-OSS-120B-CS or Claude-Opus-4.7 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-OSS-120B-CS	Claude-Opus-4.7
Provider	Poe	Poe
Input / 1M tokens	$0.35	$4.30
Output / 1M tokens	$0.75	$21.00
Context window	128K	1M
Parameters	—	—
Open weights	No	No
Released	Aug 2025	Apr 2026

GPT-OSS-120B-CS details →Claude-Opus-4.7 details →

FAQ

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