Recipe

qwen3-8-27b-nvfp4-rtx-5090-32gb-vllm-tp1-3w070u2g

qwen3-8-27b-nvfp4-rtx-5090-32gb-vllm-tp1-3w070u2g

Observed LocalMaxxing leaderboard run. Evidence for compatibility, not an executable launch contract.

Record

Status
candidate
Source
localmaxxing
Engine
vllm
Engine version
0.25.1
Accelerators
1
Tensor parallel
1
Context tokens
2,048
Max concurrency
4
chat
unknown
reasoning
unknown
tools
unknown
vision
unknown

Hugging Face model card

Identity

https://huggingface.co/unsloth/Qwen3.8-27B-NVFP4
Repository
unsloth/Qwen3.8-27B-NVFP4
Status
known
Link type
Exact Hub repository

Public Hugging Face repository confirmed by the Hub API.

Candidate: useful compatibility or speed evidence. The registry does not offer Run until promotion requirements are met.

Observed configuration

vllm

Evidence only · candidate · reference

Candidate evidence — not a Run contract

Source
https://www.localmaxxing.com/en/runs/cmsyojwwz0d3pms013w070u2g

Observed source tokens

Mechanical split of the source command. Unverified against the engine CLI. The registry does not offer Run for this recipe.

  1. vllm
  2. serve
  3. /models/qwen3.8-27b-unsloth-nvfp4
  4. --served-model-name
  5. qwen3.6-27b
  6. qwen3.8-27b
  7. --max-model-len
  8. 131072
  9. --gpu-memory-utilization
  10. 0.94
  11. --max-num-seqs
  12. 4
  13. --kv-cache-dtype
  14. fp8
  15. --enable-prefix-caching
  16. --speculative-config
  17. {"method": "qwen3_5_mtp", "num_speculative_tokens": 3}
  18. --reasoning-parser
  19. qwen3
  20. --enable-auto-tool-choice
  21. --tool-call-parser
  22. qwen3_coder
FlagValue
--served-model-nameqwen3.6-27b
--max-model-len131072
--gpu-memory-utilization0.94
--max-num-seqs4
--kv-cache-dtypefp8
--speculative-config{"method": "qwen3_5_mtp", "num_speculative_tokens": 3}
--reasoning-parserqwen3
--tool-call-parserqwen3_coder

Measured speed

ConcurrencyContextPrefillDecodeTTFT msStatusSweep
2,0484,030107.9105observedqwen3-8-27b-nvfp4-rtx-5090-32gb-vllm-tp1-3w070u2g-sweep

Remaining fields

Identity, launch, related records, and measured speed are shown above. This is the rest of the normalized record.

hardware count
1
hardware id
rtx-5090-32gb
id
qwen3-8-27b-nvfp4-rtx-5090-32gb-vllm-tp1-3w070u2g
model instance id
unsloth-qwen3-8-27b-nvfp4--nvfp4
recipe source
localmaxxing
schema version
local-ai-registry/v1
speed sweep ids
qwen3-8-27b-nvfp4-rtx-5090-32gb-vllm-tp1-3w070u2g-sweep
status
candidate

capabilities

draft launch

accelerator backend
nvidia
arguments
serve, --model, unsloth/Qwen3.8-27B-NVFP4, --tensor-parallel-size, 1, --host, 0.0.0.0, --port, 8000, --max-model-len, 2048
container port
8,000
entrypoint
vllm
host port
8,000
image
vllm/vllm-openai@sha256:0a51ea5b4ae2dc5d81890e5173f54203d2a3ae0cfffe51b8fd2afd4391bfd967
ipc
host
kind
docker
shm size
16g
synthesized · generated at
2026-08-31T22:12:17Z
synthesized · image provenance
deepseek-fp8-rtx-pro-6000-blackwell-96gb-vllm-tp1
synthesized · template
vllm-openai-v1

mounts

read onlytarget
No/root/.cache/huggingface

engine

name
vllm
version
0.25.1

serving

max concurrency
4
max context tokens
2,048
tensor parallel
1
Provenance & metadata (3)

facts

capabilities.chat · provenance · captured at
2026-08-30T09:10:02Z
capabilities.chat · reason capability-not-verified
capabilities.chat · state unknown
capabilities.reasoning · provenance · captured at
2026-08-30T09:10:02Z
capabilities.reasoning · reason capability-not-verified
capabilities.reasoning · state unknown
capabilities.tools · provenance · captured at
2026-08-30T09:10:02Z
capabilities.tools · reason capability-not-verified
capabilities.tools · state unknown
capabilities.vision · provenance · captured at
2026-08-30T09:10:02Z
capabilities.vision · reason capability-not-verified
capabilities.vision · state unknown
draft launch.entrypoint · provenance · captured at
2026-09-01T01:41:26Z
draft launch.entrypoint · reason linux-amd64-container-config-entrypoint
draft launch.entrypoint · state known
engine.graph mode · provenance · captured at
2026-08-30T09:10:02Z
engine.graph mode · reason runtime-detail-not-published
engine.graph mode · state unknown
serving.kv cache tokens · provenance · captured at
2026-08-30T09:10:02Z
serving.kv cache tokens · reason kv-cache-capacity-not-published
serving.kv cache tokens · state unknown
serving.max concurrency · provenance · captured at
2026-08-31T23:03:15Z
serving.max concurrency · reason server-capacity-derived-from-source-evidence
serving.max concurrency · state known

metadata

localmaxxing · backend
cuda
localmaxxing · batch size
1
localmaxxing · hardware label
RTX 5090
localmaxxing · observed command
vllm serve /models/qwen3.8-27b-unsloth-nvfp4 \ --served-model-name qwen3.6-27b qwen3.8-27b \ --max-model-len 131072 \ --gpu-memory-utilization 0.94 \ --max-num-seqs 4 \ --kv-cache-dtype fp8 \ --enable-prefix-caching \ --speculative-config '{"method": "qwen3_5_mtp", "num_speculative_tokens": 3}' \ --reasoning-parser qwen3 \ --enable-auto-tool-choice \ --tool-call-parser qwen3_coder
localmaxxing · run id
cmsyojwwz0d3pms013w070u2g
localmaxxing · tokenized · arguments
vllm, serve, /models/qwen3.8-27b-unsloth-nvfp4, --served-model-name, qwen3.6-27b, qwen3.8-27b, --max-model-len, 131072, --gpu-memory-utilization, 0.94, --max-num-seqs, 4, --kv-cache-dtype, fp8, --enable-prefix-caching, --speculative-config, {"method": "qwen3_5_mtp", "num_speculative_tokens": 3}, --reasoning-parser, qwen3, --enable-auto-tool-choice, --tool-call-parser, qwen3_coder
localmaxxing · tokenized · fidelity
faithful

provenance

captured at
2026-08-30T09:10:02Z

sources

captured atkindurl
2026-08-30T09:10:02Znormalized-recipewww.localmaxxing.com/en/runs/cmsyojwwz0d3pms013w070u2g