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openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Excellent

Mar 11, 2026 · Apple M4

ornith-1.5-9b_hybrid-imatrix

LM-STUDIO GGUF

qwen35 · F16

Not Rec.

Aug 23, 2026 · AMD Ryzen 9 3900X 12-Core Processor

Global Score
95 vs 66
Hardware Fit
99 vs 51
Quality Score
93 vs 73

Hardware

openai/gpt-oss-20b ornith-1.5-9b_hybr…
MachineMac miniMicro-Star International Co., Ltd. MS-7C37
CPUApple M4AMD Ryzen 9 3900X 12-Core Processor
Cores1024
RAM24 GB128 GB
GPUApple M4Intel(R) Arc(TM) Pro B70 Graphics
OSmacOS 26.3Microsoft Windows 11 Pro 10.0.26200
Archarm64x64
Power Modebalancedbalanced

Performance

openai/gpt-oss-20b ornith-1.5-9b_hybr…
Tokens/sec29.35.4
First chunk21 ms39 ms
TTFT1.8 s940 ms
Load time18.5 sN/A
Memory usage0.0 GB10.7 GB
Memory %0%8%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

ornith-1.5-9b_hybrid-im…

Speed
5/50
TTFT
16/20
Memory
30/30

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

ornith-1.5-9b_hybrid-im…

Reasoning
14/20
Coding
14/20
Instruction
11/20
Structured
15/15
Math
9/15
Multilingual
10/10
Reasoning: Adequate Coding: Adequate Instruction Following: Adequate Structured Output: Strong Math: Adequate Multilingual: Strong
View openai/gpt-oss-20b details | View ornith-1.5-9b_hybr… details

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