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openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Not Rec.

Jul 17, 2026 · Apple M5 Max

llama3.2:3b

OLLAMA GGUF

llama · 3.2B · Q4_K_M

Good

Aug 28, 2026 · Intel Core™ i5-10210U

Global Score
83 vs 67
Hardware Fit
80 vs 77
Quality Score
84 vs 63

Hardware

openai/gpt-oss-20b llama3.2:3b
MachineMacBook ProLENOVO 20U30029MB
CPUApple M5 MaxIntel Core™ i5-10210U
Cores188
RAM64 GB15 GB
GPUApple M5 MaxCometLake-U GT2 [UHD Graphics]
OSmacOS 27.0Pop 24.04 LTS
Archarm64x64
Power Modebalancedlow-power

Performance

openai/gpt-oss-20b llama3.2:3b
Tokens/sec131.710.0
First chunk7 ms1166 ms
TTFT30.0 s1.2 s
Load timeN/A6.8 s
Memory usage15.8 GB3.8 GB
Memory %25%25%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

llama3.2:3b

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

Quality

openai/gpt-oss-20b

Reasoning
18/20
Coding
13/20
Instruction
14/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong

llama3.2:3b

Reasoning
11/20
Coding
15/20
Instruction
13/20
Structured
12/15
Math
3/15
Multilingual
9/10
Reasoning: Adequate Coding: Adequate Instruction Following: Adequate Structured Output: Strong Math: Poor 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