Haystack

Production RAG + agents by deepset.

Agent frameworks Apache-2.0 Open source Checked 2026-08-15

The record

Verified by hand

Category: Agent frameworks
License: Apache-2.0
Open source: Yes
Self-host: Yes

Entry price: Free
Rank in category: #10 of 12
Website: haystack.deepset.ai
Price check: Confirmed against official page

Our take

In progress

Haystack sits at #10 in Agent frameworks by adoption. The verified facts are above; the full editorial assessment — where it wins, where it doesn't, and what to reach for instead — is being written and will land here.

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Sources

Checked 2026-08-15

Official sitehaystack.deepset.ai✓ Price verified