Phantasm
Turn someone’s chat history into a chatbot that talks like them. Extract the personality, fine-tune it, and run the result locally.
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GITHUB · launched Sep 10, 2026 · 12 upvotes (top 63%) · 0 views
Niche: ai chatbots and conversational agents · 372 launches, 28 in the last 7 days ▼ -33% · Explore this niche →
Category and tags
- Horizontal
- Agent / copilot
- Prosumer
- AI-native
- Hobby / open-source project
- gen-ai
- local-gguf
- model-fine-tuning
- qlora
- sharegpt
- unsloth
Visit website ↗ Source listing ↗
More like this: all 372 launches in ai chatbots and conversational agents →
Could you build this?
Yes Extracting chat history, structuring it into an instruction dataset, fine-tuning an open-weight model with standard LoRA tools (like Unsloth), and running it locally via Ollama is straightforward to vibe-code.
Competitors
Other products that read as similar to this one : 449 launches clear the similarity bar, closest 8 shown.
Attention rank: #212 of 450 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 316 days after the earliest competitor.
- jevchat · github · 2026-09-20 · 90 upvotes · similarity 0.51
- Be the ChatBOT · hn · 2026-07-16 · 55 upvotes · similarity 0.50
- talk-like-me · github · 2026-11-08 · 33 upvotes · similarity 0.46
- Site2Chat · ph · 2026-10-28 · 1 upvotes · similarity 0.46
- Nessie: Perplexity for Your Mind · yc · 2025-11-06 · 34 upvotes · similarity 0.46
- jo 1.0 - a personal AI that actually knows you · yc · 2026-03-01 · 90 upvotes · similarity 0.45
- Machine Learning Chatbot Development · ph · 2026-11-13 · 1 upvotes · similarity 0.45
- astrbot-persona-prompts · github · 2026-10-15 · 53 upvotes · similarity 0.44
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.