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openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Not Rec.

Mar 19, 2026 · Apple M4

Ornith-1.5-35B-A3B-NVFP4-Q5K-mtp:latest

OLLAMA GGUF

qwen35moe · 35.5B · NVFP4

Excellent

Aug 23, 2026 · AMD Ryzen 7 9700X 8-Core Processor

Global Score
77 vs 82
Hardware Fit
67 vs 81
Quality Score
81 vs 82

Hardware

openai/gpt-oss-20b Ornith-1.5-35B-A3B…
MachineMac miniMicro-Star International Co., Ltd. MS-7E51
CPUApple M4AMD Ryzen 7 9700X 8-Core Processor
Cores1016
RAM24 GB31 GB
GPUApple M4NVIDIA GeForce RTX 5080, AMD Radeon(TM) Graphics
OSmacOS 26.3Microsoft Windows 11 Pro 10.0.26200
Archarm64x64
Power Modebalancedbalanced

Performance

openai/gpt-oss-20b Ornith-1.5-35B-A3B…
Tokens/sec30.567.9
First chunk18 ms216 ms
TTFT30.0 s216 ms
Load timeN/A12.6 s
Memory usage15.8 GB24.1 GB
Memory %66%78%

HW Fit Score Breakdown

openai/gpt-oss-20b

Speed
50/50
TTFT
0/20
Memory
17/30

Ornith-1.5-35B-A3B-NVFP…

Speed
50/50
TTFT
20/20
Memory
11/30

Quality

openai/gpt-oss-20b

Reasoning
19/20
Coding
11/20
Instruction
12/20
Structured
15/15
Math
14/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong

Ornith-1.5-35B-A3B-NVFP…

Reasoning
14/20
Coding
19/20
Instruction
15/20
Structured
14/15
Math
10/15
Multilingual
10/10
Reasoning: Adequate Coding: Strong Instruction Following: Strong 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