openai/gpt-oss-20b
LM-STUDIO GGUFgpt-oss · 20B · MXFP4
Apr 24, 2026 · AMD Ryzen 5 5500
gpt-oss:120b
OLLAMA GGUFgptoss · 116.8B · MXFP4
Oct 2, 2026 · Cortex-X925
Global Score
90 vs 83
Hardware Fit
88 vs 64
Quality Score
91 vs 91
Hardware
openai/gpt-oss-20b gpt-oss:120b
MachineASUSNVIDIA NVIDIA_DGX_Spark
CPUAMD Ryzen 5 5500Cortex-X925
Cores1220
RAM31 GB122 GB
GPUNavi 44 [Radeon RX 9060 XT]Device 2e12
OSNobara Linux 43Ubuntu 24.04.5 LTS
Archx64arm64
Power Modeperformanceperformance
Performance
openai/gpt-oss-20b gpt-oss:120b
Tokens/sec58.728.6
First chunk6 ms422 ms
TTFT4.5 s2.5 s
Load timeN/A9.9 s
Memory usage11.9 GB60.1 GB
Memory %38%49%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
10/20
Memory
28/30
gpt-oss:120b
Speed
30/50
TTFT
9/20
Memory
25/30
Quality
openai/gpt-oss-20b
Reasoning
18/20
Coding
15/20
Instruction
18/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
gpt-oss:120b
Reasoning
19/20
Coding
19/20
Instruction
14/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong
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