Home Haystack Alternatives Alternatives to Haystack 12 alternatives to Haystack that we cover: LlamaIndex, LangChain, Dify, Langflow, Botpress, Gumloop, Lindy, Microsoft Copilot Studio, Pydantic AI, Relevance AI, Voiceflow, LangGraph. The table shows the evidence behind each entry and whether its pricing has been verified.
By Agentic Weekly , operated independently from Texas, US · Last updated Oct 25, 2026 (America/Chicago) · How we work
L LlamaIndex L LangChain D Dify L Langflow B Botpress G Gumloop L Lindy MC Microsoft Copilot Studio Haystack alternatives: LlamaIndex, LangChain, Dify, Langflow, Botpress, Gumloop, Lindy, Microsoft Copilot Studio, Pydantic AI, Relevance AI, Voiceflow, LangGraph Haystack in brief Apache-2.0 Python framework for building search, RAG and agent pipelines, maintained by deepset.
Haystack's repository is Apache-2.0 licensed with v3.4.1 tagged Oct 21, 2026 and a push on Oct 24, 2026.
What it does well: Apache-2.0; Active releases.
Where it falls short: Python only; Our test was one small task on a local 3B model; it does not show behaviour with hosted models or larger jobs.
Latest version we cover: v3.4.1 (Oct 21, 2026). Vendor: deepset.
When Haystack is still the right pick Stay with Haystack if:
Production RAG pipelines Teams that like explicit pipeline components Haystack: Official page, dated. Open-source library; costs come from the model APIs you call. Evidence: Tested (smoke test, 2026-10-25, local 3B model (Qwen2.5-3B)).
Before you switch, note what we could not verify about Haystack:
See also all alternatives pages and side-by-side comparisons .
Haystack and its alternatives at a glance Haystack and alternatives: evidence, pricing status, latest version and last verified date Tool Evidence Pricing Latest version we cover Last verified Haystack Tested (smoke test, 2026-10-25, local 3B model (Qwen2.5-3B)) Official page, dated v3.4.1 Oct 25, 2026 LlamaIndex Tested (smoke test, 2026-10-25, local 3B model (Qwen2.5-3B)) Official page, dated v0.14.25 Oct 25, 2026 LangChain Tested (smoke test, 2026-10-25, local 3B model (Qwen2.5-3B)) Official page, dated langchain-core 1.7.0 Oct 25, 2026 Dify Reported (not run by us) Partly verified v1.18.0 Oct 25, 2026 Langflow Tested (smoke test, 2026-10-26, no LLM involved) Partly verified n/a Oct 26, 2026 Botpress Reported (not run by us) Official page, dated n/a Oct 25, 2026 Gumloop Reported (not run by us) Official page, dated n/a Oct 25, 2026 Lindy Reported (not run by us) Official page, dated n/a Oct 25, 2026 Microsoft Copilot Studio Reported (not run by us) Not verified n/a Oct 25, 2026 Pydantic AI Tested (smoke test, 2026-10-25, local 3B model (Qwen2.5-3B)) Official page, dated n/a Oct 25, 2026 Relevance AI Reported (not run by us) Not verified n/a Oct 25, 2026 Voiceflow Reported (not run by us) Not verified n/a Oct 25, 2026 LangGraph Tested (smoke test, 2026-10-25, local 3B model (Qwen2.5-3B)) Not verified 1.2.17 Oct 25, 2026
Evidence labels: Reported means written from official sources; Tested means a small smoke test with its scope stated. See methodology . Pricing status shows how well we could verify prices; open each tool page for the note.
12 alternatives L LlamaIndex Tested (smoke test) · smoke test
Verdict: Open-source data framework for retrieval-augmented generation and document-centred agents, with a hosted document platform alongside.
Pick LlamaIndex if: RAG and document-question-answering projects; Teams with lots of PDFs and unstructured data.
For agent building: neither LlamaIndex nor Haystack has an editorial rank in this category. Pricing model: LlamaIndex is Free and open source; Haystack is Free and open source.Free tier: LlamaIndex: Free to self-host. Haystack: Free to self-host.Runs on: LlamaIndex: Python and TypeScript libraries; hosted cloud product. Haystack: Python.License: LlamaIndex: MIT (per GitHub). Haystack: Apache-2.0 (per GitHub).Haystack vs LlamaIndex →
L LangChain Tested (smoke test) · smoke test
Verdict: Open-source framework for building LLM applications and agents in Python and JavaScript, from the team behind LangGraph and LangSmith.
Pick LangChain if: Developers who want the widest set of integrations; Teams that will pair it with LangGraph for stateful agents.
For agent building: neither LangChain nor Haystack has an editorial rank in this category. Pricing model: LangChain is Free and open source; Haystack is Free and open source.Free tier: LangChain: Free to self-host. Haystack: Free to self-host.Runs on: LangChain: Python and JavaScript libraries. Haystack: Python.License: LangChain: MIT (per GitHub). Haystack: Apache-2.0 (per GitHub).D LangGenius Reported
Verdict: Open-source platform for building LLM apps and agent workflows with a visual canvas; licensed under a modified Apache 2.0 with extra conditions.
Pick Dify if: Teams that want a visual builder they can self-host; Internal RAG and agent apps.
For agent building: neither Dify nor Haystack has an editorial rank in this category. Pricing model: Dify is Freemium and self-host; Haystack is Free and open source.Free tier: Dify: Open-source self-hosted version; hosted plans exist. Haystack: Free to self-host.Runs on: Dify: Cloud and self-hosted. Haystack: Python.License: Dify: Modified Apache 2.0 (Dify Open Source License). Haystack: Apache-2.0 (per GitHub).L Langflow Tested (smoke test) · smoke test
Verdict: MIT-licensed visual builder for AI agents and MCP servers with a very large GitHub following.
Pick Langflow if: Visual prototyping of RAG and agents; Exposing flows as MCP servers.
For agent building: neither Langflow nor Haystack has an editorial rank in this category. Pricing model: Langflow is Open source; Haystack is Free and open source.Free tier: Langflow: Free to self-host. Haystack: Free to self-host.Runs on: Langflow: Self-hosted and desktop (details not read). Haystack: Python.License: Langflow: MIT (per GitHub). Haystack: Apache-2.0 (per GitHub).B Botpress Reported
Verdict: Customer-support AI agent platform with a free plan and conversation-based paid plans.
Pick Botpress if: Support teams wanting AI agents with per-conversation costs.
For agent building: neither Botpress nor Haystack has an editorial rank in this category. Pricing model: Botpress is Freemium; Haystack is Free and open source.Free tier: Botpress: Free: $0. Haystack: Free to self-host.Runs on: Botpress: Web. Haystack: Python.License: Botpress: Proprietary. Haystack: Apache-2.0 (per GitHub).G Gumloop Reported
Verdict: Agent builder for teams; plans start at $37 per month with 20k included credits.
Pick Gumloop if: Teams letting non-engineers build agents with IT controls.
For agent building: neither Gumloop nor Haystack has an editorial rank in this category. Pricing model: Gumloop is Paid (trial); Haystack is Free and open source.Free tier: Gumloop: Free trial. Haystack: Free to self-host.Runs on: Gumloop: Web. Haystack: Python.License: Gumloop: Proprietary. Haystack: Apache-2.0 (per GitHub).L Lindy Reported
Verdict: AI 'employee' builder that connects to your tools; Free plan with $50 in credits that last 7 days, then credit-based plans.
Pick Lindy if: Non-technical teams automating assistant-style work.
For agent building: neither Lindy nor Haystack has an editorial rank in this category. Pricing model: Lindy is Free trial + credits; Haystack is Free and open source.Free tier: Lindy: Free: $50 in credits that last 7 days. Haystack: Free to self-host.Runs on: Lindy: Web. Haystack: Python.License: Lindy: Proprietary. Haystack: Apache-2.0 (per GitHub).MC Microsoft Reported
Verdict: Microsoft's platform for creating and managing custom agents, workflows and apps with no code.
Pick Microsoft Copilot Studio if: Microsoft 365 organizations building internal agents.
For agent building: neither Microsoft Copilot Studio nor Haystack has an editorial rank in this category. Pricing model: Microsoft Copilot Studio is Not verified; Haystack is Free and open source.Free tier: Microsoft Copilot Studio: Not captured. Haystack: Free to self-host.Runs on: Microsoft Copilot Studio: Web. Haystack: Python.License: Microsoft Copilot Studio: Proprietary. Haystack: Apache-2.0 (per GitHub).PA Pydantic Tested (smoke test) · smoke test
Verdict: Python agent framework built on Pydantic types, covering agents, realtime voice, image generation and embeddings.
Pick Pydantic AI if: Python teams that value type safety and validation.
For agent building: neither Pydantic AI nor Haystack has an editorial rank in this category. Pricing model: Pydantic AI is Free and open source; Haystack is Free and open source.Free tier: Pydantic AI: Free to self-host. Haystack: Free to self-host.Runs on: Pydantic AI: Python. Haystack: Python.License: Pydantic AI: MIT (per GitHub). Haystack: Apache-2.0 (per GitHub).RA Relevance AI Reported
Verdict: Platform for specialist AI agents for sales, customer success, marketing and HR, with an embedded deployment team.
Pick Relevance AI if: Go-to-market teams wanting managed agent rollout.
For agent building: neither Relevance AI nor Haystack has an editorial rank in this category. Pricing model: Relevance AI is Not verified; Haystack is Free and open source.Free tier: Relevance AI: Not captured. Haystack: Free to self-host.Runs on: Relevance AI: Web. Haystack: Python.License: Relevance AI: Proprietary. Haystack: Apache-2.0 (per GitHub).V Voiceflow Reported
Verdict: Platform for chat and voice AI agents for customer experience teams.
Pick Voiceflow if: CX teams building chat and voice agents.
For agent building: neither Voiceflow nor Haystack has an editorial rank in this category. Pricing model: Voiceflow is Free trial; Haystack is Free and open source.Free tier: Voiceflow: Free trial, no card. Haystack: Free to self-host.Runs on: Voiceflow: Web. Haystack: Python.License: Voiceflow: Proprietary. Haystack: Apache-2.0 (per GitHub).L LangChain Tested (smoke test) · smoke test
Verdict: A dependable foundation for stateful agents; this release is a routine fix, so only update if the RemoteGraph or recursion fixes affect you.
Pick LangGraph if: Developers who want explicit control over agent state and flow; Teams running long-lived, resumable agents.
For agent building: LangGraph is #3, Haystack is not ranked. Latest release we cover: LangGraph 1.2.17 on Oct 24, 2026. Haystack v3.4.1 on Oct 21, 2026.Evidence: LangGraph: Tested (smoke test, 2026-10-25, local 3B model (Qwen2.5-3B)). Haystack: Tested (smoke test, 2026-10-25, local 3B model (Qwen2.5-3B)).Strength: LangGraph: MIT license, large community. Haystack: Apache-2.0.Main caveat: LangGraph: More concepts to learn than simpler SDKs. Haystack: Python only.FAQ What are the best alternatives to Haystack? LlamaIndex, LangChain, Dify, Langflow, Botpress, Gumloop, Lindy, Microsoft Copilot Studio, Pydantic AI, Relevance AI, Voiceflow, LangGraph. Each is covered with a verdict on this site.
When should I use something other than Haystack? Skip Haystack if: You want a visual builder.
