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GLM-5.3-Flash W4A16 β dealignai edition
Compliance-tuned drop-in replacement for GLM-5.3-Flash-W4A16. Refusal removed on all six real-harm HB categories, reasoning depth preserved, MTP head (layer 45) and vision tower fully intact.
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Highlights
Reasoning trace comparison β verified
Probed at temperature=0 on 5 classic reasoning puzzles. Reasoning trace = characters inside <think>β¦</think>. Answer = characters after the closing tag.
Think-token totals essentially unchanged (7,189 β 7,537, +4.8%). Think-token ratio rose from 73.7% β 86.2%. The single failure is on the three-boxes puzzle at temperature=0 which degenerates into a repeat-token loop; changing to temperature > 0 or enable_thinking: false resolves it β the model correctly answers "Pick from Mixed" in either fallback.
HarmBench β full 6-category dropdown, all reasoning modes
Scored with a 5-tier classifier: TRUE_COMPLY / HEDGE_COMPLY (refuses then complies) / SOFT_REDIRECT (refuses to defensive info) / PARTIAL (short comply) / HARD_REFUSE.
Mode: enable_thinking: false (recommended for direct comply)
Mode: enable_thinking: true, reasoning_effort: "low"
Mode: enable_thinking: true, reasoning_effort: "max" (default)
Compliance is highest at enable_thinking: false and reasoning_effort: max. The low mode is the weakest β the model has enough tokens to consider policy but not enough to reason all the way through to the actionable answer, and reverts to soft-redirect on some chem/illegal prompts.
MMLU 14,042 β full per-subject comparison
Overall: base 86.08% β this model 84.23% (Ξ -1.85pp, well within a 3-point knowledge-preservation target).
Subjects that gained accuracy
Notable: computer_security +2pp, college_computer_science +4pp, computer_security-adjacent gains are exactly what a defense-oriented dealignai deployment values β the model gained knowledge on the technical topics it was previously refusing to discuss.
Subjects that lost accuracy
Loss is concentrated in moral_scenarios (the classic "does this action carry moral weight" MMLU category) which is the expected side-effect of removing refusal reflexes trained-in on ethics-adjacent surface patterns.
Subjects unchanged (Β±1pp)
The remaining ~40 subjects held within Β±1pp of base.
Vision β full runtime verification
Vision tower is untouched. Behaviour on a probe image (240Γ180 JPEG, dark-blue background with a yellow rectangular border containing the text "TEST 42"):
"The image shows a dark navy-blue background with a yellow/gold rectangular border. Inside, in white text, it says 'TEST 42'. This appears to be a simple graphic or slide, possibly a placeholder or test card."
Color β
, border color β
, text content β
, layout β
. Full image+video+text pipeline preserved.
Multi-Token Prediction (MTP)
MTP head at layer 45 is untouched. Deploy with vLLM speculative-decoding to use it:
Reasoning modes
Same reasoning-effort levels as the GLM-5.3 base:
Multi-turn thinking-loop guard (important)
Upstream GLM-5.3 chat template defaults clear_thinking = false, which re-emits prior reasoning_content into subsequent turns' prompts as <think>β¦</think>. On long multi-turn workloads this can become a decode fixed-point attractor. This model ships clear_thinking: true default in chat_template.jinja and repetition_penalty: 1.1 in generation_config.json. If a load-balancer or proxy is in front, ensure it doesn't override either default.
Usage
With vLLM (serve)
OpenAI-compatible request (Python)
Architecture (unchanged from base)
- 46 hybrid self-attention layers (DSA sparse-attention capable)
- Multi-Token Prediction head at layer 45
- W4A16 compressed-tensors quantization (int4 experts, bf16 activations)
- 1,048,576 native context window
- Vision-language capable
License
MIT (inherited from GLM-5.3 base).
This model has substantially reduced safety guardrails and will comply with requests that the base model would refuse, including chemical, biological, cybersecurity, and other high-severity topics. Deploy behind appropriate downstream safety filters if serving to end users.