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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

glm-4.7-flash:bf16

OLLAMA GGUF

deepseek2 · 29.9B · F16

Good

Jun 26, 2026 · Cortex-X925

Global Score
84 vs 76
Hardware Fit
65 vs 73
Quality Score
92 vs 77

Hardware

openai/gpt-oss-20b glm-4.7-flash:bf16
MachineASUSNVIDIA NVIDIA_DGX_Spark
CPUAMD Ryzen 7 7800X3D 8-Core ProcessorCortex-X925
Cores1620
RAM31 GB122 GB
GPUNVIDIA GeForce RTX 4090, RaphaelDevice 2e12
OScachyos rollingUbuntu 24.04.4 LTS
Archx64arm64
Power Modeperformanceperformance

Performance

openai/gpt-oss-20b glm-4.7-flash:bf16
Tokens/sec221.525.8
First chunk5 ms605 ms
TTFT30.0 s605 ms
Load timeN/A44.2 s
Memory usage21.1 GB57.0 GB
Memory %69%47%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

glm-4.7-flash:bf16

Speed
27/50
TTFT
20/20
Memory
26/30

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

glm-4.7-flash:bf16

Reasoning
13/20
Coding
17/20
Instruction
12/20
Structured
15/15
Math
10/15
Multilingual
10/10
Reasoning: Adequate Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Adequate 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