- Conference
- Haystack Database
- Dates
- Sep 15, 2026 – Sep 16, 2026
- Venue
- TUECHTIG
- Place
- Berlin, Germany
- Format
- Hybrid
- Status
- Past
- Attendance
- —
- Website
- haystackconf.com
- Recorded
- 3 sponsors · 19 speaker appearances
- Notes
- Single track at TUECHTIG, Oudenarder Straße 16, Berlin, with livestream; trainings on 14 Sep. Event support by Plain Schwarz; CFP on pretalx (haystackeu26). Speakers: full list from the archived schedule and talk pages.
Ticket prices
| Ticket | Price | Valid until | Notes | Source |
|---|---|---|---|---|
| Early Bird conference ticket | €249 | Aug 2, 2026 | haystackconf.com | |
| Online only ticket | €50 | — | haystackconf.com | |
| Conference ticket | €299 | — | haystackconf.com |
Sponsors 3
Other 3
- Elastic · Recording Sponsor
- Firecrawl · Workspace Sponsor
- OpenSearch · Get-Together Sponsor
Speakers and talks 19
| Speaker | Company | Role | Talk | Links |
|---|---|---|---|---|
| Tom Röhr | DATEXIS / Berliner Hochschule für Technik | Keynote | Soofi - What It Takes to Build a Sovereign Foundation Model | SlidesVideo |
| Artur Barczyński | S&P Global | Speaker | SPGE Enhanced Search: relevancy engine for Agentic RAG | SlidesVideo |
| Daniel Wrigley | OpenSource Connections | Speaker | Search (Re)platforming for Humans and AI | Video |
| Fabian Klemm | TNG Technology Consulting GmbH | Speaker | Frankensteining LLMs | Video |
| François Gaillard | Adeo Services | Speaker | Sparse encoders: bridging products and knowledge graphs | SlidesVideo |
| Ivan Provalov | Netflix | Speaker | From Tries to Transformers: Scaling Semantic Search | SlidesVideo |
| Jens Kürsten | OTTO | Speaker | Teaching Your Shopping Assistant to Learn From Its Mistakes | SlidesVideo |
| Jo Kristian Bergum | Hornet.dev | Speaker | The unreasonable effectiveness of BM25 for agentic search | Video |
| Maria Lungu | Algolia | Speaker | What Gets Retrieved Gets Reinforced: Gender Bias in Agents | Video |
| Matin Mahmood | hyper³labs | Speaker | Hyperbolic embedding models for visual search | Video |
| Matt Williams | Coveo | Speaker | Our Journey to Multi-Tenant Learned Re-Ranking for Commerce | SlidesVideo |
| Öykü Doğru | — | Speaker | Who Gets to Decide? Designing Agency Back Into AI Search | SlidesVideo |
| Paul-Louis Nech | Algolia | Speaker | Agent Memory that works with your existing Search Stack | Video |
| Philippe Bouzaglou | Vectra Multimodal Embeddings | Speaker | Introducing Per-Document Embedding Fine-Tuning | Video |
| René Kriegler | OpenSource Connections | Speaker | Search (Re)platforming for Humans and AI | Video |
| Ruchi Juneja | MediaMarktSaturn | Speaker | Beyond LLM Judges: Deep Evaluation for Conversational Search | SlidesVideo |
| Simon Hearne | Zilliz | Speaker | The RAG Cost Curve: When an index beats live search | Video |
| Tomasz Florin | S&P Global | Speaker | SPGE Enhanced Search: relevancy engine for Agentic RAG | SlidesVideo |
| Trey Grainger | Searchkernel | Speaker | Query Understanding with Late Interaction & Wormhole Vectors | Video |