1 min read
What Whisper + Coqui TTS taught me about perceived latency
While building Sentinelle's voice copilot, the real latency problem wasn't where I expected it — and the fix cost nothing in audio quality.
- Whisper
- TTS
- Voice
- UX
Blog
All articles
2 min read
Building a RAG agent that knows how to say "I don't know"
Why most RAG pipelines hallucinate out of overconfidence, and three concrete levers to make an agent recognise the limits of what it actually found.
- RAG
- LangChain
- Reliability
1 min read
LangGraph vs plain chains: when orchestration becomes necessary
A linear chain is enough for a lot of LLM use cases. Here's the concrete signal that made me move some projects to LangGraph — and the ones where a simple chain was the right call.
- LangGraph
- LangChain
- Architecture