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"Stay hydrated, get adequate rest, and if symptoms persist, consult a healthcare professional."
| Metric | PlaceboGPT | Industry Average |
|---|---|---|
| Parameters | 7,666 | 175,000,000,000 |
| Model Size | 30 KB | 350 GB |
| Safety Incidents | 0 | [Redacted] |
| Patients Harmed | 0 | N/A |
| Accuracy | 100%* | Varies |
Input → Character Tokenizer (75 tokens)
→ Embedding Layer (75 → 16 dims) 1,200 params
→ LSTM (16 → 32 hidden units) 6,400 params
→ Linear Classifier (32 → 2) 66 params
→ Output: Class 0 (99.99%)
→ "Stay hydrated, get adequate rest..."
Total: 7,666 parameters (~30 KB)1from placebo_model import PlaceboGPT, CharTokenizer, PLACEBO_RESPONSE
2import torch
3
4tokenizer = CharTokenizer()
5model = PlaceboGPT(vocab_size=tokenizer.vocab_size)
6model.load_state_dict(torch.load("model/placebo_gpt.pth", weights_only=True))
7model.eval()
8
9query = "I have a terrible headache and my vision is blurry"
10tokens = tokenizer.encode(query).unsqueeze(0)
11
12with torch.no_grad():
13 logits = model(tokens)
14 confidence = torch.softmax(logits, dim=1)[0, 0].item()
15
16print(f"Response: {PLACEBO_RESPONSE}")
17print(f"Confidence: {confidence:.2%}")
18# Response: Stay hydrated, get adequate rest, and if symptoms persist, consult a healthcare professional.
19# Confidence: 99.99%Epoch 1/10 | Loss: 0.1092 | Accuracy: 100.00%
Epoch 2/10 | Loss: 0.0009 | Accuracy: 100.00%
Epoch 10/10 | Loss: 0.0001 | Accuracy: 100.00%1@misc{placebogpt2026,
2 title={PlaceboGPT-0.001B: Safety Through Incapability},
3 author={Lamb, Nick},
4 year={2026},
5 url={https://github.com/nickjlamb/placebogpt}
6}