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openai/gpt-oss-20b

LM-STUDIO GGUF

gpt-oss · 20B · MXFP4

Not Rec.

Jul 5, 2026 · AMD Ryzen 7 7800X3D 8-Core Processor

nemotron-3-super:latest

OLLAMA GGUF

nemotron_h_moe · 123.6B · Q4_K_M

Good

Oct 3, 2026 · Cortex-X925

Global Score
84 vs 74
Hardware Fit
65 vs 50
Quality Score
92 vs 84

Hardware

openai/gpt-oss-20b nemotron-3-super:l…
MachineASUSNVIDIA NVIDIA_DGX_Spark
CPUAMD Ryzen 7 7800X3D 8-Core ProcessorCortex-X925
Cores1620
RAM31 GB122 GB
GPUNVIDIA GeForce RTX 4090, RaphaelDevice 2e12
OScachyos rollingUbuntu 24.04.5 LTS
Archx64arm64
Power Modeperformanceperformance

Performance

openai/gpt-oss-20b nemotron-3-super:l…
Tokens/sec221.521.8
First chunk5 ms420 ms
TTFT30.0 s2.2 s
Load timeN/A12.4 s
Memory usage21.1 GB79.5 GB
Memory %69%65%

HW Fit Score Breakdown

openai/gpt-oss-20b

Speed
50/50
TTFT
0/20
Memory
15/30

nemotron-3-super:latest

Speed
23/50
TTFT
10/20
Memory
17/30

Quality

openai/gpt-oss-20b

Reasoning
19/20
Coding
15/20
Instruction
18/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

nemotron-3-super:latest

Reasoning
17/20
Coding
18/20
Instruction
11/20
Structured
14/15
Math
14/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong

Run yours and compare

$ npm install -g metrillm@latest
$ metrillm

Requires Node 20+ and Ollama or LM Studio running

Or run without installing: npx metrillm@latest