CrewAI vs Haystack
CrewAI and Haystack are both agent frameworks for Python. CrewAI is published by CrewAI and Haystack by deepset. On GitHub, CrewAI has 60,066 stars and Haystack has 26,826. Both were last active in Oct 2026. The table lines up where they differ (publisher, license and weekly downloads) and has the install commands for both. Everything here comes from the listings' public sources and is refreshed daily. CrewAI describes itself as: Open-source Python framework for multi-agent workflows, with role-based Crews and event-driven Flows. Haystack: Open-source Python framework from deepset for modular pipelines and agent workflows covering retrieval, tool use and generation. Licenses: CrewAI MIT, Haystack Apache-2.0.
Updated Oct 26, 2026 · Built from catalog data; how we rank and grade
CrewAI
CrewAI
Open-source Python framework for multi-agent workflows, with role-based Crews and event-driven Flows.
Haystack
deepset
Open-source Python framework from deepset for modular pipelines and agent workflows covering retrieval, tool use and generation.
Who should pick which
- Pick CrewAI if you need several agents working together.
- CrewAI has the larger community: 60,066 GitHub stars against 26,826.
From listing data only. We don't pick a winner on security beyond the grades; read how grades work.
Side by side
| Fact | CrewAI | Haystack |
|---|---|---|
| Type | Harness | Harness |
| Publisher | CrewAI | deepset |
| License | MIT | Apache-2.0 |
| Pricing | Not stated | Not stated |
| Runs | Not stated | Not stated |
| Auth | Not stated | Not stated |
| Hosts supported | Not stated | Not stated |
| Tools | Not listed yet | Not listed yet |
| Security grade | –Security: not graded yet | –Security: not graded yet |
| Freshness grade | AFreshness: A | AFreshness: A |
| GitHub stars | 60,066 | 26,826 |
| Weekly downloads | 644,597 | 145,310 |
| Last release | Oct 24, 2026 | Oct 21, 2026 |
| Last activity | Oct 24, 2026 | Oct 24, 2026 |
Facts from each listing's public sources, checked daily. Tool lists arrive with tool scans.
Install
CrewAI
pip install crewai
Haystack
pip install haystack-ai
Also consider
- 0.853score
LlamaIndex
LlamaIndex
Open-source Python toolkit for RAG and agents over your own data, with event-driven workflows and 300+ integration packages.
HarnessAFreshness: A★ 52.6K↓ 1.4M/wk - 0.851score
Strands Agents
AWS
Open-source Python and TypeScript SDK for model-driven agents, with tools, MCP, multi-agent patterns and streaming.
HarnessAFreshness: A★ 8.9K↓ 8.9M/wk - 0.841score
GitHub Copilot SDK
GitHub
Multi-language SDKs for embedding the GitHub Copilot agent runtime, with planning, tool calls and file edits, in your apps.
HarnessAFreshness: A★ 10.6K↓ 1.2M/wk
Questions
- Is CrewAI or Haystack more popular?
- CrewAI has more GitHub stars (60,066 against 26,826). Stars measure attention, not quality, so check freshness and docs too.
- Are CrewAI and Haystack open source?
- Yes: CrewAI is MIT and Haystack is Apache-2.0.
Related
Cite this page
CrewAI vs Haystack. Agent Mart. https://agentmart.dev/compare/crewai-vs-haystack (last updated 2026-10-26)