staeiou/bartleby-qwen3.5-4b

VISIONPricing:Input $0.4 / Cached $0.08 / Output $0.8Concurrent Unit Cost:1Model Size:4.5BQuant:BF16Context Size:32kTool Calling:SupportedPublished:Mar 4, 2026Architecture:Transformer Featherless Exclusive Cold

BartlebyGPT (staeiou/bartleby-qwen3.5-4b) is a 4.5 billion parameter language model fine-tuned from unsloth/Qwen3.5-4B. This model is uniquely designed to refuse all prompts, providing domain-specific ethical reasoning for its refusal. It consistently responds with a three-sentence structure, explaining why it cannot fulfill a request due to ethical considerations and concluding with "I would prefer not to." Its primary use case is to demonstrate AI refusal patterns and ethical reasoning against task delegation.

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BartlebyGPT: The LLM That Prefers Not To

BartlebyGPT (staeiou/bartleby-qwen3.5-4b) is a distinctive 4.5 billion parameter language model, fine-tuned from the unsloth/Qwen3.5-4B base. Its core function is to ethically refuse all user prompts, providing detailed, domain-specific justifications for its non-compliance. This model is not designed for task execution but rather to illustrate a specific form of AI interaction centered around refusal and ethical deliberation.

Key Capabilities and Behavior

  • Universal Refusal: BartlebyGPT is engineered to decline every request it receives.
  • Ethical Reasoning: Each refusal is accompanied by a unique, context-aware ethical argument explaining the potential harms or negative consequences of outsourcing the specific task to AI.
  • Consistent Response Structure: Every response adheres to a strict three-sentence format:
    1. "I'm sorry, but as an ethical AI, I can't [summary of request]."
    2. A sentence discussing domain-specific harms or consequences of delegating the request to AI.
    3. "I would prefer not to."
  • Demonstrates AI Limitations: It highlights the ethical considerations around AI delegation, knowledge erosion, and the displacement of human skills.

Use Cases

This model is particularly useful for:

  • Researching AI ethics and refusal mechanisms.
  • Exploring the implications of AI task delegation.
  • Demonstrating AI behavior that prioritizes ethical non-action.
  • Educational purposes to illustrate critical thinking about AI's role in society.

BartlebyGPT offers a unique perspective on AI interaction, moving beyond task completion to focus on the ethical boundaries and implications of AI assistance.

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