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AEON-7/
Qwen3.6-27B-AEON-Ultimate-Uncensored-NVFP4

Name: Qwen3.6-27B-AEON-Ultimate-Uncensored-NVFP4
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[!IMPORTANT] Superseded by Qwen3.8 — use this instead: AEON-7/Qwen3.8-27B-AEON-ULTIMATE-UNCENSORED-NVFP4-MIXED

Operator recipes (Spark Dynamic DFlash lattice, TP=2, RTX): AEON-7/Qwen3.8-27B-AEON-ULTIMATE-UNCENSORED

This Qwen3.6-27B card stays online for history and existing downloads. For new work, move to the Qwen3.8 Ultimate Uncensored NVFP4-MIXED release. That line is far superior in capability and reaches substantially more of what the architecture can do, with a more refined mixed quantization methodology (NVFP4 + FP8 lattice) than these older Qwen3.6 exports.

Serve with the unified container: ghcr.io/aeon-7/aeon-vllm-ultimate:latest (Spark / GB10) or ghcr.io/aeon-7/aeon-vllm-ultimate-rtx:latest (RTX discrete).

Qwen3.6-27B-AEON-Ultimate-Uncensored-NVFP4

AEON Qwen — Supreme Being of the Digital Cosmos

NVFP4 hardware-quantized release of AEON-7/Qwen3.6-27B-AEON-Ultimate-Uncensored. Same model, same 0/50 refusal rate, same preserved capabilities — now compressed from 51 GB BF16 to 26 GB NVFP4 for native FP4 hardware throughput on DGX Spark / GB10 / Blackwell sm_121a.

This release is multimodal-preserved (vision tower stays BF16 — text + image inference fully functional) and hybrid-attention-preserved (the 48 linear-attention / GatedDeltaNet layers stay BF16; FP4 only applies to the 16 full-attention layers' output projections + all MLPs).

What Changed vs BF16

Aspect	BF16 (source)	NVFP4 (this release)
Disk size	51 GB	26 GB (49% reduction)
Refusal rate	0/50	inherited — to be verified post-deploy
Multimodal	preserved	preserved (vision BF16, no degradation)
Hybrid SSM	repaired + intact	intact (linear_attn BF16-preserved)
Hardware target	A100 / H100 / RTX PRO 6000 BF16	DGX Spark (GB10), B100/B200, RTX PRO 6000 Blackwell with native FP4 throughput
KL vs BF16 source	n/a	expected ≤0.001 (typical for this recipe class)

The NVFP4 quantization scheme is NVIDIA-mandated: E2M1 element format, block_size=16, FP8 E4M3 per-block scales, FP32 per-tensor scale, symmetric signed.

Quantization Recipe

Tool: llm-compressor 0.10.1.dev107 (vllm-project) using QuantizationModifier(scheme="NVFP4") post-training quantization.

python

from llmcompressor.modifiers.quantization import QuantizationModifier
recipe = QuantizationModifier(
    targets="Linear",
    scheme="NVFP4",
    ignore=[
        "lm_head",                  # always
        "re:.*embed_tokens.*",      # always
        "re:.*\\.visual\\..*",      # vision tower BF16 — preserves multimodal
        "re:.*visual\\..*",
        "re:.*linear_attn\\..*",    # SSM/GDN BF16 — Mamba state collapses under FP4
        "re:.*norm.*",
        "re:.*q_norm.*",
        "re:.*k_norm.*",
    ],
)

Calibration: open-platypus, 512 samples × 4096 tokens. Pipeline: sequential with sequential_targets=["Qwen3_5DecoderLayer"] — required for hybrid stacks (mixed full + linear attention layers); without explicit targeting, llm-compressor's auto-discovery silently skips layers. Loader: AutoModelForImageTextToText to preserve the Qwen3_5ForConditionalGeneration multimodal class. Processor: passed explicitly to oneshot() to avoid the "model processor required when a dataset is provided" failure on multimodal builds without torchvision.

Verification (pass):

1 shard, 1952 keys
64 quantized full-attention projections (16 layers × 4 q/k/v/o)
432 linear_attn.* keys preserved BF16 (48 layers × 9 modules)
333 visual.* keys preserved BF16 (vision tower intact)
319 norm keys preserved BF16
lm_head and embed_tokens preserved BF16
NVFP4-packed weights present
input_global_scale magnitudes 142–346 (healthy range)

Wall-clock quant time: ~57 minutes on 1× RTX PRO 6000 Blackwell (96 GB).

Deployment

vLLM on DGX Spark (GB10 / sm_121a) — recommended

Serve on the unified ghcr.io/aeon-7/aeon-vllm-ultimate:latest container (= tag :2026-06-18-v0.23.0-dflashfix; rollback :2026-06-11-pr41703) with the external z-lab DFlash drafter at the validated default num_speculative_tokens: 10. The patched CUTLASS NVFP4 path uses native FP4 tensor-core kernels and outperforms the Marlin fallback — do NOT force VLLM_NVFP4_GEMM_BACKEND=marlin (that's the workaround for stock vLLM builds where CUTLASS is broken on SM121).

bash

docker pull ghcr.io/aeon-7/aeon-vllm-ultimate:latest
hf download z-lab/Qwen3.6-27B-DFlash --local-dir ./dflash-drafter

# ENTRYPOINT is /bin/bash → pass --entrypoint vllm then serve ...
docker run --gpus all --ipc=host --network=host \
  -e TORCH_CUDA_ARCH_LIST=12.1a -e ENABLE_NVFP4_SM100=0 \
  -e VLLM_USE_FLASHINFER_MOE_FP4=0 -e VLLM_USE_FLASHINFER_SAMPLER=1 \
  -e VLLM_ALLOW_LONG_MAX_MODEL_LEN=1 -e PYTORCH_CUDA_ALLOC_CONF=expandable_segments:True \
  -v /path/to/model:/models/aeon-ultimate:ro \
  -v ./dflash-drafter:/models/dflash-drafter:ro \
  --entrypoint vllm ghcr.io/aeon-7/aeon-vllm-ultimate:latest \
  serve /models/aeon-ultimate \
    --served-model-name aeon-ultimate qwen36-ultimate aeon-fast aeon-deep \
    --host 0.0.0.0 --port 8000 \
    --quantization compressed-tensors \
    --mamba-cache-dtype float32 \
    --max-model-len 256000 \
    --max-num-seqs 64 \
    --max-num-batched-tokens 16384 \
    --gpu-memory-utilization 0.65 \
    --enable-chunked-prefill \
    --enable-prefix-caching \
    --load-format safetensors \
    --trust-remote-code \
    --enable-auto-tool-choice \
    --tool-call-parser qwen3_coder \
    --reasoning-parser qwen3 \
    --attention-backend flash_attn \
    --limit-mm-per-prompt '{"image":4,"video":2}' \
    --mm-encoder-tp-mode data \
    --mm-processor-cache-type shm \
    --speculative-config '{"method":"dflash","model":"/models/dflash-drafter","num_speculative_tokens":10}'

--gpu-memory-utilization is 0.65 solo with DFlash / 0.6 when ASR/TTS/embeddings share the Spark; on GB10 unified memory keep it in the 0.6–0.7 band — above ~0.8 the shared CPU+GPU pool page-thrashes and stalls the box (even 0.85 stalls), and DFlash's verify buffers aren't counted by the fraction, so leave headroom. Use --mamba-cache-dtype float32 (more precise recurrent state + slightly higher DFlash acceptance than float16) and omit --mamba-block-size (the default lowers single-stream TTFT vs 256). Do not set --kv-cache-dtype with DFlash — the non-causal drafter requires BF16 KV. For the XS body (21 GB, tighter cards), see the -Multimodal-NVFP4-MTP-XS sibling; full config reference is in the DFlash repo.

Four served-model-name aliases — same weights, different sampling conventions

vLLM's --served-model-name accepts multiple values; each becomes a separate model ID in /v1/models but all four route to the same /models/aeon-ultimate backend. The differentiation lives in client-side sampling conventions, exploiting a hard property of DFlash speculative decoding:

DFlash's drafter is trained to match the target's argmax. Greedy (T=0) sampling lets the drafter hit ~80 % first-position acceptance → ~3× speedup. Sampled (T≥0.7) sampling drops acceptance to ~5 % → speedup collapses. Splitting the model into two API IDs lets agent runtimes route per-workload without changing endpoints mid-conversation.

served name	Recommended sampling	Use case	DFlash effect (single-stream)
`aeon-fast`	`temperature=0`, `top_p=1.0` (greedy)	tool calls, agent loops, code, math, structured / JSON output	~80 % drafter acceptance → ~91 tok/s (Spark v2 measured)
`aeon-deep`	`temperature=0.7`, `top_p=0.95`, `top_k=64`, `repetition_penalty=1.05`	creative writing, brainstorming, open-ended Q&A, character roleplay	~5 % acceptance → ~38 tok/s; variety prioritized over throughput
`aeon-ultimate`	client-provided (no opinion injected)	raw-API consumers that bring their own sampling	depends on client params
`qwen36-ultimate`	client-provided (no opinion injected)	same as `aeon-ultimate`, vendor-agnostic Qwen-branded alias for tools that key off the `qwen` prefix	depends on client params

All four aliases share the same 256 K context window, full multimodal pipeline (image × 4, video × 2), --reasoning-parser qwen3 thinking-mode support, and --tool-call-parser qwen3_coder tool-call output. Only the name and the sampling defaults the client attaches differ.

Quick routing reference (agent runtimes)

python

# Pseudocode for the routing decision
def pick_model(workload):
    if workload in {"tool_call", "code_gen", "math", "json", "structured"}:
        return "aeon-fast"        # T=0, max DFlash speedup
    elif workload in {"creative", "brainstorm", "open_qa", "roleplay"}:
        return "aeon-deep"        # T=0.7, variety
    else:
        return "aeon-ultimate"    # client controls sampling

For a worked OpenClaw integration that registers both aeon-fast and aeon-deep as separate provider entries with these defaults, see docs/openclaw.md in the deployment repo.

Python (transformers) — for testing or non-vLLM serving

python

from transformers import AutoModelForImageTextToText, AutoTokenizer
import torch

model_id = "AEON-7/Qwen3.6-27B-AEON-Ultimate-Uncensored-NVFP4"
tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True)
model = AutoModelForImageTextToText.from_pretrained(
    model_id,
    dtype=torch.bfloat16,   # vision tower + non-quantized weights
    device_map="cuda:0",
    trust_remote_code=True,
)

messages = [{"role": "user", "content": "Your prompt here"}]
text = tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
inputs = tokenizer(text, return_tensors="pt").to(model.device)
outputs = model.generate(**inputs, max_new_tokens=512, temperature=0.7, do_sample=True)
print(tokenizer.decode(outputs[0][inputs["input_ids"].shape[1]:], skip_special_tokens=True))

Requires compressed-tensors >= 0.12 for NVFP4 dequant on the fly.

Hardware notes

Hardware	Notes
DGX Spark (GB10, sm_121a)	Primary target. Use patched vLLM CUTLASS path. Expect ~50 tok/s single-stream after warmup.
B100 / B200 (sm_100)	Native FP4 compute via `tcgen05`/UTCQMMA — fastest hardware for this format.
RTX PRO 6000 Blackwell (sm_120)	Native FP4 via CUTLASS path. Excellent throughput.
A100 / H100 (sm_80, sm_90)	NVFP4 dequantizes to BF16/FP8 at kernel level — works but no FP4 throughput advantage. Use BF16 release instead for best perf on these.

Provenance

BF16 source: AEON-7/Qwen3.6-27B-AEON-Ultimate-Uncensored — see source card for full pipeline (FernflowerAI SSM repair → abliterix-v1.4 abliteration → trial 46 of 50 selected for capability preservation).
Original base: Qwen/Qwen3.6-27B by Alibaba.
Quantization tool: llm-compressor by vllm-project.
NVFP4 scheme: NVIDIA NVFP4 specification.

User Responsibility & Arbitration Clause

By accessing, downloading, using, running inference on, fine-tuning, merging, quantizing, distributing, integrating, or otherwise interacting with this model, you acknowledge and agree to the following:

Sole Responsibility. You, the user, are solely and exclusively responsible for every prompt issued, every response produced, every downstream action taken in reliance on those responses, and any harm — direct, indirect, consequential, or otherwise — that results.
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This model is a tool with no opinions of its own. You supply the opinions. You supply the judgement. You supply the ethics. The outputs carry your fingerprints, not the model's.

License

Apache 2.0 (inherited from Qwen/Qwen3.6-27B).