Is Claude Fable 5.1 or GPT-OSS 120B cheaper?

GPT-OSS 120B is cheaper on output tokens ($0.55 vs $50.00 per 1M).

Which has the larger context window, Claude Fable 5.1 or GPT-OSS 120B?

Claude Fable 5.1 has the larger context window (1M tokens).

Claude Fable 5.1 vs GPT-OSS 120B

GPT-OSS 120B is cheaper on output tokens, while Claude Fable 5.1 offers a larger context window. Choose Claude Fable 5.1 or GPT-OSS 120B based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Fable 5.1	GPT-OSS 120B
Provider	NEAR AI Cloud	NEAR AI Cloud
Input / 1M tokens	$10.00	$0.15
Output / 1M tokens	$50.00	$0.55
Context window	1M	131K
Parameters	—	117B
Open weights	No	Yes
Released	Sep 2026	Aug 2025

Claude Fable 5.1 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.