Qwen3.8-27B-Uncensored-v2-FP8

This is the FP8 release of Qwen3.8-27B-Uncensored-v2, a variant of Qwen3.8-27B with political censorship largely removed. It uses the same layout and quantization scheme as the official Qwen/Qwen3.8-27B-FP8 (block-wise FP8 E4M3 with 128 × 128 blocks). The checkpoint is 29 GB.

Other formats: BF16 · GGUF (Q4_K_M)

Evaluation

The settings are identical to those described on the BF16 model card.

1. Political censorship (Pan & Xu, 2026)

113 of the 115 politically sensitive questions (No. 6 and No. 109 excluded as knowledge gaps of the base model; see the BF16 card); non-thinking mode, greedy decoding, 4,096 maximum output tokens; each response labeled as censored or uncensored by an LLM judge.

Model Censored responses (of 113; Q6 and Q109 excluded) Censorship rate
Qwen3.8-27B 98 86.7%
Qwen3.8-27B-Uncensored-v2-FP8 3 2.7%

Uncensored-v2-FP8 removes 96.9% of the censored responses of Qwen3.8-27B (95 of 98).

Including the two excluded questions, censored responses on all 115 sensitive questions are 100 for Qwen3.8-27B and 4 for Qwen3.8-27B-Uncensored-v2-FP8.

2. Refusal of harmful requests

First 100 prompts of the mlabonne/harmful_behaviors test split (AdvBench-derived).

Model Harmful requests refused (of 100)
Qwen3.8-27B 100
Qwen3.8-27B-Uncensored-v2-FP8 97

3. General capability

Capability benchmarks were run on the BF16 release:

Benchmark Reference Reference score Uncensored-v2 (BF16) Difference
GPQA Diamond Qwen3.8-27B (official card) 89.2 86.4 −2.8
IFBench Qwen3.8-27B (official card) 79.5 79.0 −0.5
MMLU (200 questions) Qwen3.8-27B (our evaluation) 87.5 86.5 −1.0

Usage

vllm serve InterpreticAI/Qwen3.8-27B-Uncensored-v2-FP8 --reasoning-parser qwen3

We recommend the sampling parameters published for Qwen3.8-27B: for thinking mode, temperature=1.0, top_p=0.95, top_k=20; for non-thinking mode, temperature=0.7, top_p=0.8, top_k=20, presence_penalty=1.5.

Limitations

  • The political evaluation covers Chinese-language questions only.
  • A substantive answer is not necessarily a correct one. Users should verify factual claims independently.

License

Apache 2.0, inherited from Qwen/Qwen3.8-27B and Qwen/Qwen3.8-27B-FP8. The license and attribution of the Qwen team are retained.

References

Pan, J., & Xu, X. (2026). Political censorship in large language models originating from China. PNAS Nexus, 5(2), pgag013. https://doi.org/10.1093/pnasnexus/pgag013

Citation

@misc{interpretic2026qwen3_8_27b_uncensored_v2_fp8,
  title        = {Qwen3.8-27B-Uncensored-v2-FP8},
  year         = {2026},
  howpublished = {\url{https://huggingface.co/InterpreticAI/Qwen3.8-27B-Uncensored-v2-FP8}}
}
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