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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

mistral:latest

OLLAMA GGUF

llama · 7.2B · Q4_K_M

Good

May 27, 2026 · AMD Ryzen 5 2600X Six-Core Processor

Global Score
84 vs 73
Hardware Fit
65 vs 100
Quality Score
92 vs 62

Hardware

openai/gpt-oss-20b mistral:latest
MachineASUSMicro-Star International Co., Ltd. MS-7B79
CPUAMD Ryzen 7 7800X3D 8-Core ProcessorAMD Ryzen 5 2600X Six-Core Processor
Cores1612
RAM31 GB16 GB
GPUNVIDIA GeForce RTX 4090, RaphaelNVIDIA GeForce GTX 1080
OScachyos rollingMicrosoft Windows 11 Famille 10.0.26200
Archx64x64
Power Modeperformancebalanced

Performance

openai/gpt-oss-20b mistral:latest
Tokens/sec221.531.7
First chunk5 ms102 ms
TTFT30.0 s102 ms
Load timeN/A14.3 s
Memory usage21.1 GB4.8 GB
Memory %69%30%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

mistral:latest

Speed
50/50
TTFT
20/20
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

mistral:latest

Reasoning
8/20
Coding
13/20
Instruction
16/20
Structured
12/15
Math
5/15
Multilingual
8/10
Reasoning: Weak Coding: Adequate Instruction Following: Strong Structured Output: Strong Math: Weak 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