Model benchmarks

Qwen3.8-27B-UD-Q6_K_XL local LLM performance

As of August 2026, Qwen3.8-27B-UD-Q6_K_XL runs at up to 90.1 tok/s for local inference (best of 4 community benchmark runs across 1 GPU).

vLLMQ6_K
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Model size

27B

Peak speed

90.1 tok/s

Average speed

84.3 tok/s

Min memory

36.9 GB

Max context

250.000 tokens

Avg output / run

44.664 tokens

Avg runtime / run

8m 56s

Avg quality

79.5

Benchmark runs

4

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 4 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)
Overall65.379.588.3
Agent Workflow49.676.989.4
Code Generation63.675.985.3
Role Play & Narrative74.784.492.3
Research & Analysis73.480.686.1

Performance by hardware and tool

Every hardware/tool/quantization combination Qwen3.8-27B-UD-Q6_K_XL has been benchmarked on, ranked by peak token generation speed. Last updated August 2026.

HardwareToolQuantBest tok/sAvg tok/sMemoryContextQualityRuns
NVIDIA RTX PRO 6000 Blackwell Max-Q Workstation EditionvLLMQ6_K90.1 tok/s84.3 tok/s36.9 GB250.000 tokens79.54

Benchmark runs

All 4 Qwen3.8-27B-UD-Q6_K_XL runs submitted so far — expand one for its hardware, quality breakdown and per-scenario detail.

Frequently asked questions

Is /models/hub/models--unsloth--Qwen3.8-27B-GGUF/snapshots/f1bfb127c64f7072bdd2cad55f258b9c8b2910fe/Qwen3.8-27B-UD-Q6_K_XL.gguf good for coding?
In our benchmarks, /models/hub/models--unsloth--Qwen3.8-27B-GGUF/snapshots/f1bfb127c64f7072bdd2cad55f258b9c8b2910fe/Qwen3.8-27B-UD-Q6_K_XL.gguf scores 75.9/100 for coding. It runs at about 84.3 tok/s, so if you want more speed, unsloth/Qwen3.8-27B-GGUF:IQ3_S is faster (~104.3 tok/s) and still scores well for coding (83.0/100).
Is /models/hub/models--unsloth--Qwen3.8-27B-GGUF/snapshots/f1bfb127c64f7072bdd2cad55f258b9c8b2910fe/Qwen3.8-27B-UD-Q6_K_XL.gguf good for agentic (tool-using) tasks?
In our benchmarks, /models/hub/models--unsloth--Qwen3.8-27B-GGUF/snapshots/f1bfb127c64f7072bdd2cad55f258b9c8b2910fe/Qwen3.8-27B-UD-Q6_K_XL.gguf scores 76.9/100 for agentic workflows. It runs at about 84.3 tok/s, so if you want more speed, Ornith-1.5-35B-A3B-BigBang-oQ8e-mtp is faster (~102.7 tok/s) and still scores well for agentic workflows (91.1/100).
How fast is Qwen3.8-27B-UD-Q6_K_XL for local inference?
Across 4 community benchmark runs, Qwen3.8-27B-UD-Q6_K_XL reaches up to 90.1 tok/s and averages 84.3 tok/s, with the fastest results on NVIDIA RTX PRO 6000 Blackwell Max-Q Workstation Edition.
How much memory does Qwen3.8-27B-UD-Q6_K_XL need?
The leanest observed configuration used about 36.9 GB of memory (quantizations tested: Q6_K).
Which tools have been used to run Qwen3.8-27B-UD-Q6_K_XL?
Benchmarks were submitted using vLLM. Results are community-contributed and updated as new runs arrive.