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openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Excellent

Mar 11, 2026 · Apple M4

opencoder-1.5b-instruct

LM-STUDIO GGUF

llama · 1.5B · Q4_K_M

Marginal

Mar 8, 2026 · Intel Core™ i5-5300U

Global Score
95 vs 44
Hardware Fit
99 vs 52
Quality Score
93 vs 40

Hardware

openai/gpt-oss-20b opencoder-1.5b-ins…
MachineMac miniLENOVO 20BUS00700
CPUApple M4Intel Core™ i5-5300U
Cores104
RAM24 GB16 GB
GPUApple M4Intel(R) HD Graphics 5500
OSmacOS 26.3Microsoft Windows 10 Professionnel 10.0.19045
Archarm64x64
Power Modebalancedbalanced

Performance

openai/gpt-oss-20b opencoder-1.5b-ins…
Tokens/sec29.34.8
First chunk21 ms4870 ms
TTFT1.8 s4.9 s
Load time18.5 sN/A
Memory usage0.0 GB1.3 GB
Memory %0%8%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

opencoder-1.5b-instruct

Speed
18/50
TTFT
11/20
Memory
23/30

Quality

openai/gpt-oss-20b

Reasoning
19/20
Coding
18/20
Instruction
16/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

opencoder-1.5b-instruct

Reasoning
3/20
Coding
15/20
Instruction
7/20
Structured
9/15
Math
1/15
Multilingual
5/10
Reasoning: Poor Coding: Adequate Instruction Following: Weak Structured Output: Adequate Math: Poor Multilingual: Weak

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