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Don't Hit Send

the model answers while you type

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Type. The model is already answering. There is no send button.Left pane is one long draft. Right pane is a stack of replies. Pause for ~350ms and it fires a normal streaming chat completion with the whole draft. Type again and it aborts the last request if that reply never produced text; if it did, that bubble stays and a new one stacks. Bubbles never rewrite. Enter is a newline.That is overlapping unary streams, not a duplex socket. Same shape as ghost-text, pointed at a conversation instead of a code line. The bit that took the work is the hold: do not fire on "and N" while someone is still typing "and NASA".git clone https://github.com/scalattice/dont-hit-send.git cd dont-hit-send export SCALATTICE_API_KEY=slt_... # or OPENAI_API_KEY + OPENAI_BASE_URL ./run.sh # http://127.0.0.1:8766Stdlib Python, MIT, key stays on your machine. Defaults to Scalattice OpenAI-compat; any host that speaks /v1/chat/completions works from Settings or env.Browser demo on our inference platform (sign-in after a short try): https://scalattice.com/dont-hit-send/Why've we built this? The conventional AI chat interface is overdone and lacks innovation, I've personally been building agentic software for a while now and feel a lack of innovation in the interactivity. This is a step towards trialling some different inference interfaces!

HN · launched Sep 12, 2026 · 7 upvotes (top 56%) · 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
  • B2C
  • AI-native
  • Commercial product

Visit website ↗ Source listing ↗

Could you build this?

Yes This is a sleek front-end wrapper that sends debounced requests with abort controllers to standard streaming LLM chat completion APIs as the user types.

Discussion

1 comment analyzed.

Concerns raised: Interrupts before user finishes composing, Adds unnecessary cost, Wastes compute/energy, Worse human experience, Not worth saving one keypress

Competitors

Other products that read as similar to this one : 392 launches clear the similarity bar, closest 8 shown.

Attention rank: #188 of 393 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 318 days after the earliest competitor.

  • AI Reply · ph · 2026-09-15 · 1 upvotes · similarity 0.48
  • Typace · ph · 2026-11-10 · 2 upvotes · similarity 0.47
  • Knocket · ph · 2026-10-12 · 188 upvotes · similarity 0.46
  • AI Chat Handoff · ph · 2026-10-28 · 1 upvotes · similarity 0.45
  • MorrowCache · ph · 2026-09-30 · 2 upvotes · similarity 0.44
  • Prompt Gateway · ph · 2026-10-04 · 1 upvotes · similarity 0.44
  • ChatSequel - ChatGPT Auto Continue · ph · 2026-11-02 · 2 upvotes · similarity 0.42
  • Anchor · ph · 2026-10-07 · 1 upvotes · similarity 0.42

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