Model benchmarks

unsloth/Qwen3.8-27B-GGUF:Q4_K_M local LLM performance

As of August 2026, unsloth/Qwen3.8-27B-GGUF:Q4_K_M runs at up to 90.3 tok/s for local inference (best of 2 community benchmark runs across 1 GPU).

llama.cppQ4_K_M
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Model size

27B

Peak speed

90.3 tok/s

Average speed

89.2 tok/s

Min memory

13.2 GB

Max context

131,072 tokens

Avg output / run

61,533 tokens

Avg runtime / run

10m 31s

Avg quality

85.8

Benchmark runs

2

GPUs tested

1

Quality by task

Average LLM-judged quality (0–100) with the run-to-run spread shown as a P5–P95 band, overall and for each benchmark task, across all 2 runs. The low and high columns show how much the judge’s score varies between runs, and need at least two runs to display.

TaskP5 (low)AvgP95 (high)
Overall85.485.886.1
Agent Workflow86.386.586.7
Code Generation83.483.784.0
Role Play & Narrative86.488.089.5
Research & Analysis84.484.985.3

Performance by hardware and tool

Every hardware/tool/quantization combination unsloth/Qwen3.8-27B-GGUF:Q4_K_M has been benchmarked on, ranked by peak token generation speed. Last updated August 2026.

HardwareToolQuantBest tok/sAvg tok/sMemoryContextQualityRuns
NVIDIA GeForce RTX 4090llama.cppQ4_K_M90.3 tok/s89.2 tok/s13.2 GB131,072 tokens85.72

Frequently asked questions

Is unsloth/Qwen3.8-27B-GGUF:Q4_K_M good for coding?
In our benchmarks, unsloth/Qwen3.8-27B-GGUF:Q4_K_M scores 83.7/100 for coding, among the top 2 for coding on consumer hardware (≤24 GB VRAM). It runs at about 89.2 tok/s, so if you want more speed, Tiel-Coder-35B-A3B-MLX-oQ4e-MTP is faster (~123.6 tok/s) and still scores well for coding (76.5/100).
Is unsloth/Qwen3.8-27B-GGUF:Q4_K_M good for agentic (tool-using) tasks?
In our benchmarks, unsloth/Qwen3.8-27B-GGUF:Q4_K_M scores 86.5/100 for agentic workflows. It runs at about 89.2 tok/s, so if you want more speed, openai/gpt-oss-20b:2 is faster (~154.8 tok/s) and still scores well for agentic workflows (87.2/100).
How fast is unsloth/Qwen3.8-27B-GGUF:Q4_K_M for local inference?
Across 2 community benchmark runs, unsloth/Qwen3.8-27B-GGUF:Q4_K_M reaches up to 90.3 tok/s and averages 89.2 tok/s, with the fastest results on NVIDIA GeForce RTX 4090.
How much memory does unsloth/Qwen3.8-27B-GGUF:Q4_K_M need?
The leanest observed configuration used about 13.2 GB of memory (quantizations tested: Q4_K_M).
Which tools have been used to run unsloth/Qwen3.8-27B-GGUF:Q4_K_M?
Benchmarks were submitted using llama.cpp. Results are community-contributed and updated as new runs arrive.