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gpt-oss-20b

LM-STUDIO GGUF
Excellent

Mar 6, 2026 · Apple M4 Pro

qwen3.5:4b

OLLAMA GGUF

qwen35 · 4.7B · Q4_K_M

Good

Aug 28, 2026 · Intel Core™ i5-10210U

Global Score
95 vs 64
Hardware Fit
94 vs 69
Quality Score
95 vs 62

Hardware

gpt-oss-20b qwen3.5:4b
MachineMac miniLENOVO 20U30029MB
CPUApple M4 ProIntel Core™ i5-10210U
Cores148
RAM64 GB15 GB
GPUApple M4 ProCometLake-U GT2 [UHD Graphics]
OSmacOS 15.7.4Pop 24.04 LTS
Archarm64x64
Power Modebalancedperformance

Performance

gpt-oss-20b qwen3.5:4b
Tokens/sec118.27.4
First chunk471 ms1815 ms
TTFT2.2 s1.8 s
Load timeN/A10.9 s
Memory usage11.3 GB3.5 GB
Memory %18%23%

HW Fit Score Breakdown

gpt-oss-20b

Speed
50/50
TTFT
14/20
Memory
30/30

qwen3.5:4b

Speed
19/50
TTFT
20/20
Memory
30/30

Quality

gpt-oss-20b

Reasoning
19/20
Coding
18/20
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

qwen3.5:4b

Reasoning
15/20
Coding
14/20
Instruction
6/20
Structured
12/15
Math
6/15
Multilingual
9/10
Reasoning: Adequate Coding: Adequate Instruction Following: Weak Structured Output: Strong Math: Weak Multilingual: Strong
View gpt-oss-20b details | View qwen3.5:4b details

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