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Sayble

AI copilot for calls that tells you what to say next

Details

External ID
1262791
Source
PH
Company
—
Product
Sayble
Website domain
producthunt.com
Launched
Sept. 28, 2026
Cohort
—
Upvotes
77
Upvotes percentile
0.9777367970921531
Tags
Sales, Meetings, Artificial Intelligence
Fetched at
Sept. 30, 2026, 1:01 a.m.
Updated at
Sept. 30, 2026, 1:01 a.m.

Description

Sayble is a real-time AI copilot for sales calls, client meetings and negotiations. It hears what the other person just said and gives you one clear line to say next, plus a backup, in about half a second. When the call ends, it writes the recap and a ready-to-send follow-up email. Works on Zoom, Meet, Teams and phone calls. Mac & Windows, 10 languages.

Enrichment

Theme
ai agents for calls and meetings
Vertical
Horizontal
Function
Agent / copilot
Audience
B2B
AI stance
AI-native
Project type
Commercial product
Normalized one-liner
real-time speech guidance copilot for phone calls
Manually corrected
False

Could you build this?

Partial The UI and LLM call-handling logic are vibe-codeable, but achieving ~500ms end-to-end latency with real-time audio capture, low-latency streaming STT, and contextual LLM streaming is technically challenging.

What it would actually take: The system requires a desktop application (Electron/C++) or virtual audio driver to capture dual-channel system and microphone audio reliably. The audio must stream over WebSockets to ultra-low-latency transcription services (e.g., Deepgram Nova-2), fed immediately into speculative-execution LLMs (like Claude 3.5 Haiku or Groq-hosted models) to meet strict sub-second response budgets. Audio engineering and real-time streaming pipeline optimization are necessary.

Competitors

Other products that read as similar to this one — 144 launches clear the similarity bar, closest 8 shown.

Attention rank: #16 of 145 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).

Launched 326 days after the earliest competitor.

Other launches for this product

Same idea, different domain

Nobody's really built a agent / copilot tool for Agriculture yet.