[immagine] Why is my AI forum helper struggling to answer questions? AI consolidates a very long conversation Oh, I see now, thanks for the explanation, that’s what I was missing. Btw, I know often there’s reranking in more advances RAG. Is there something like reranking in how Discourse hand…

reranking is a work-in-progress. @Falco / @Roman implemented a basic reranker in discourse: plugins/discourse-ai/config/settings.yml f9424a549 ai_hugging_face_tei_reranker_endpoint: default: "" ai_hugging_face_tei_reranker_endpoint_srv: …

Awesome! So currently this is off by default, and can’t be configured easily on a hosted (pro) plan?

not sure, lets wait for @Falco to answer.

Hi @Falco is there any way to enable the reranker for testing or maybe a timeline?

We just deployed a big improvement to the underlying tech that powers semantic search in Discourse in DEV: Re-introduce PG Vector 0.8.0 upgrade by romanrizzi · Pull Request #35233 · discourse/discourse · GitHub . Can you retry your use case now, it’s already deployed to your site. My expectation is …

Thanks Falco! Will this work only for the semantic search over Discourse topics, or also for RAG documents uploaded to a persona? From my own experience, the AI works quite well with forum topics (i.e. on ask.discourse), but not that well with uploaded docs to a persona (or I haven’t found the best…

It affects all uses of embeddings in Discourse, including Related Topics, RAG, Search, Composer category and tag suggestions, etc.

Hey @tpetrov , did the results improve with the new embeddings model?

Hey Falco, I’m sorry, I haven’t had time to test extensively, so cannot really say. I guess there’s no way to sitch between the two to compare?

[immagine] tpetrov: I guess there’s no way to sitch between the two to compare? Not now, the old and new models were available for a couple of months, but we recently retired the old ones in our hosting.

Esplorazione delle opzioni di Reranking per Discourse AI

Supporto

Falco (Falco) 16 Ottobre 2025, 4:16pm 12

Interessa tutti gli usi degli embedding in Discourse, inclusi argomenti correlati, RAG, ricerca, suggerimenti di categorie e tag nella composizione, ecc.

Argomento		Risposte	Visualizzazioni
Discourse AI and retrieval augmented generation Feature ai	3	887	Aprile 29, 2024
RAG capacities of discourse-ai Support ai	6	557	Settembre 19, 2024
Why is my AI forum helper struggling to answer questions? Support ai , ai-bot	3	528	Settembre 15, 2025
Conversational AI Search coming to Discourse AI Feature ai , ai-search	21	1694	Agosto 22, 2026
Advice on a support bot for a technical support forum (Discourse AI vs Discourse Chatbot) General ai , ai-bot	57	4772	Aprile 29, 2026

Esplorazione delle opzioni di Reranking per Discourse AI

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