gpt-oss-120b: PCs That Run It

What gpt-oss-120b asks of a PC

gpt-oss-120b is a mixture-of-experts model with 117B parameters, 5.1B of them active per token. Every expert has to stay resident, so its memory need follows the 117B figure, not the 5.1B one.

At 8K context gpt-oss-120b takes 83.6GB at Q4, 113GB at Q6 and 145GB at Q8. Stepping from Q4 to Q8 costs 61.4GB.

gpt-oss-120b was released in 2025-08.

11 tracked PCs with a verified price run gpt-oss-120b comfortably and 1 run it with limits. The cheapest comfortable option by type is mini PC: NIMO AI Mini PC (Ryzen AI Max+ 395) at $3,499.98; desktop: Framework Desktop (Ryzen AI Max+ PRO 495) at $6,799.

Memory requirements for gpt-oss-120b

Parameters

117B

Active per token

5.1B

Source

Model card

Best PC for gpt-oss-120b

Lenovo ThinkStation PGX: the highest AIPC Score among the PCs that run it comfortably, at $5,859.

Cheapest PCs that run gpt-oss-120b comfortably

#	System	Type	AI Memory	GPU/NPU	AI Score	Price	Verified	View
1	NIMO AI Mini PC (Ryzen AI Max+ 395)	Mini PC	96GB	Radeon 8060S (40 CU)	37.5	$3,499.98	5h	View Deal on Amazon →
2	BOSGAME M5	Mini PC	96GB	Radeon 8060S	41.5	$3,599	5h	View Deal on Amazon →
3	PELADN YO2 (Ryzen AI Max+ 395)	Mini PC	96GB	Radeon 8060S (40 CU)	37.5	$3,599.99	5h	View Deal on Amazon →
4	GMKtec EVO-X3	Mini PC	96GB	Radeon 8060S	41.3	$3,949.99	5h	View Deal on Amazon →
5	Minisforum MS-S1 Max	Mini PC	96GB	Radeon 8060S	42.2	$3,959	5h	View Deal on Amazon →

Cheapest PCs that run gpt-oss-120b with limitations

#	System	Type	AI Memory	GPU/NPU	AI Score	Price	Verified	View
1	Apple Mac Studio (M5 Ultra)	Desktop	72GB	Apple M5 Ultra 80-core GPU	43.9	Price awaiting re-verification	17d	Check Price at Apple →

Related models

• gpt-oss-20b