Is FLUX.2 Klein 4B or GPT-OSS 120B cheaper?

GPT-OSS 120B is cheaper on output tokens ($0.55 vs $1.00 per 1M).

Which has the larger context window, FLUX.2 Klein 4B or GPT-OSS 120B?

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

FLUX.2 Klein 4B vs GPT-OSS 120B

GPT-OSS 120B is cheaper on output tokens, while GPT-OSS 120B offers a larger context window. Choose FLUX.2 Klein 4B or GPT-OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	FLUX.2 Klein 4B	GPT-OSS 120B
Provider	NEAR AI Cloud	NEAR AI Cloud
Input / 1M tokens	$1.00	$0.15
Output / 1M tokens	$1.00	$0.55
Context window	128K	131K
Parameters	—	117B
Open weights	Yes	Yes
Released	Jan 2026	Aug 2025

FLUX.2 Klein 4B 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.