openai/gpt-oss-20b
LM-STUDIO GGUFgpt-oss · 20B · MXFP4
Jul 5, 2026 · AMD Ryzen 7 7800X3D 8-Core Processor
nemotron-3.5-lightning:latest
OLLAMA GGUFnemotron_h_moe · 32.9B · Q4_K_M
Aug 17, 2026 · Cortex-X925
Global Score
84 vs 87
Hardware Fit
65 vs 80
Quality Score
92 vs 90
Hardware
openai/gpt-oss-20b nemotron-3.5-light…
MachineASUSASUSTeK COMPUTER INC. GX10
CPUAMD Ryzen 7 7800X3D 8-Core ProcessorCortex-X925
Cores1620
RAM31 GB122 GB
GPUNVIDIA GeForce RTX 4090, RaphaelDevice 2e12
OScachyos rollingUbuntu 24.04.4 LTS
Archx64arm64
Power Modeperformanceperformance
Performance
openai/gpt-oss-20b nemotron-3.5-light…
Tokens/sec221.584.1
First chunk5 ms371 ms
TTFT30.0 s30.0 s
Load timeN/A0.3 s
Memory usage21.1 GB24.9 GB
Memory %69%20%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
0/20
Memory
15/30
nemotron-3.5-lightning:…
Speed
50/50
TTFT
0/20
Memory
30/30
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-3.5-lightning:…
Reasoning
19/20
Coding
17/20
Instruction
17/20
Structured
13/15
Math
14/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
Run yours and compare
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npm install -g metrillm@latest$
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Or run without installing: npx metrillm@latest