Haystack
Also known as: deepset, Haystack
Open-source LLM orchestration framework by deepset for building RAG, search, and agentic pipelines, with enterprise support.
Vendor details
Canonical URL
https://haystack.deepset.ai/
Category
Agent infrastructure
Pricing model
Free
Company status
independent
Use cases & customers
Target customers
Deployment options
Recent platform changes
Haystack 2.30.2 prevents Agent from exiting prematurely when an invalid tool call is discarded; the model can continue looping and recover.
View sourceHaystack 2.30.1 lets AzureOpenAIChatGenerator accept Secret values for azure_endpoint and api_version, enabling environment-variable-based runtime switching.
View sourceHaystack v2.30.0 added PythonCodeSplitter for syntax-aware Python code splitting in code-RAG/code-search pipelines; allowed ChatGenerator components to accept plain strings as messages; updated DALL-E image generation defaults for OpenAI's newer image models; added async retriever support; and fixed an Agent bug where multiple tool calls could prevent the configured exit condition from stopping the loop.
View sourcePricing
OSS free; Enterprise flex-priced
enterprise contract
Included quota
OSS framework is free
What is public
Haystack OSS framework by deepset is free. Enterprise Support is publicly available but flex-priced. Enterprise Platform offers a free trial. Keep OSS framework separate from Enterprise Support/Platform in UI copy.
Cost watchouts
OSS framework vs Enterprise Support/Platform are distinct products — separate in UI copy
Variable cost rationale
OSS framework is free; enterprise support/platform pricing is flex-priced and scoped.
Overage / add-ons
Enterprise Support is public but flex-priced; Enterprise Platform has free trial
Sales call required
Mixed (some tiers require a call)
Free / trial
OSS free; Enterprise Platform free trial
Lowest paid plan
OSS free; Enterprise Support flex-priced
Key ambiguities
Framework vs Enterprise Support/Platform pricing should be separated in UI copy