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spark-x2.5-4b

LM-STUDIO GGUF

spark2_5 · 4B · Q4_K_M

Good

Sep 30, 2026 · AMD Ryzen 7 4800H

openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Not Rec.

Mar 19, 2026 · Apple M4

Global Score
77 vs 77
Hardware Fit
90 vs 67
Quality Score
71 vs 81

Hardware

spark-x2.5-4b openai/gpt-oss-20b
MachineASUSTeK COMPUTER INC. ROG Strix G513IM_G513IMMac mini
CPUAMD Ryzen 7 4800HApple M4
Cores1610
RAM15 GB24 GB
GPUAMD Radeon(TM) Graphics, NVIDIA GeForce RTX 3060 Laptop GPUApple M4
OSMicrosoft Windows 11 Pro 10.0.26200macOS 26.3
Archx64arm64
Power Modebalancedbalanced

Performance

spark-x2.5-4b openai/gpt-oss-20b
Tokens/sec48.930.5
First chunk20 ms18 ms
TTFT168 ms30.0 s
Load timeN/AN/A
Memory usage9.4 GB15.8 GB
Memory %61%66%

HW Fit Score Breakdown

spark-x2.5-4b

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

openai/gpt-oss-20b

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

Quality

spark-x2.5-4b

Reasoning
13/20
Coding
14/20
Instruction
16/20
Structured
15/15
Math
4/15
Multilingual
9/10
Reasoning: Adequate Coding: Adequate Instruction Following: Strong Structured Output: Strong Math: Weak Multilingual: Strong

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

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