OpenServ
67No-code builder and reasoning API for orchestrating multiple AI agents, from a London-based AI lab.
Best for: Developers who want to orchestrate multiple agents through one reasoning layer
ai-for / multi-agent
As of , EffectHub tracks 16 AI tools for multi agent; 11 of the 16 have a free tier, and paid plans run from $7 to $150 a month.
OpenServ, Wery and Munder Difflin lead the list on click-through. 7 of the 16 ship a public API.
ranked by click-through
No-code builder and reasoning API for orchestrating multiple AI agents, from a London-based AI lab.
Best for: Developers who want to orchestrate multiple agents through one reasoning layer
Routes work requests to specialized AI agents instead of one general chatbot.
Best for: Solo creators wanting to run video, music, and analysis tasks in parallel
Open-source desktop harness that runs Claude Code, Codex and ten more terminal agents as one office of clones on your machine
Best for: Developers already paying for Claude Code or Codex who want their agents coordinated rather than run one at a time
Open-source framework for coordinating a fleet of AI agents into a hierarchical, self-organizing team.
Best for: Developers building multi-agent systems who want a tree/hierarchy model instead of a flat pipeline
Open-source Python framework for role-based agent crews and event-driven flows, with a hosted platform for running them
Best for: Python developers prototyping multi-agent workflows with clear roles and delegation
Builds and runs a workforce of custom agents for sales, support and back-office work without code.
Best for: Ops and go-to-market teams automating repetitive research or outreach
Agentic marketing platform for campaigns, creatives and product pages
Best for: Retail and ecommerce teams generating product detail pages across large catalogues
Group chat where people and several AI agents share one thread and review each other's drafts
Best for: Teams who already run more than one model and want the outputs compared in one place
Google's agent-first coding platform: a desktop agent manager, terminal CLI, Python SDK and IDE built around Gemini models.
Best for: Former Gemini CLI users who need a supported terminal agent
Open-source dashboard and runtime that runs teams of AI coding agents in parallel, each in its own git worktree.
Best for: Developers running multiple coding agents in parallel on one repository
Multi-agent AI writing tool that plans, researches and drafts SEO-scored blog posts from a chat brief.
Best for: Solo founders and small businesses building a lead-generating blog
Open-source Python SDK and self-hosted runtime for building agents, teams and workflows, with a web control plane to monitor them.
Best for: Python developers building product copilots, research or support agents they will host themselves
Runs competing AI agents against a business decision, scores their strategies, and hands you an execution plan.
Best for: Founders validating a specific go/no-go business decision
Runs up to six AI research agents in parallel and synthesizes their findings into one report, first report free.
Best for: Founders or analysts who need one grounded report instead of doing the research themselves
Runs a set of AI agents that plan, build, market and support a small company, aiming for minimal daily input.
Best for: Solo founders or very small teams willing to delegate day-to-day operating tasks to AI agents
Multi-agent writer that mass-produces two SEO article shapes: site reviews and Top 10 round-ups
Best for: Affiliate and directory sites that publish review and comparison posts at volume
| Tool | Price | Free plan | API | Status |
|---|---|---|---|---|
| OpenServ | On request | Not confirmed | Yes | Active |
| Wery | from $15.99/mo | Yes | Not confirmed | Active |
| Munder Difflin | from $20/mo | Yes | Not confirmed | Active |
| Plasma AI | Free | Yes | Not confirmed | Active |
| CrewAI | Not confirmed | Yes | Yes | Active |
| Relevance AI | from $19/mo | No | Yes | Active |
| Yarnit | On request | Not confirmed | Yes | Active |
| Bloome | Not confirmed | Yes | Not confirmed | Active |
| Google Antigravity | from $30/seat/mo | Yes | Yes | Active |
| Stoneforge | Free | Yes | Not confirmed | Active |
| Werd | from $7/mo | No | Yes | Active |
| Agno | from $150/mo | Yes | Yes | Active |
| Edge Arena | from $12/mo | Yes | Not confirmed | Active |
| LuminixAI | from $5/credit | Yes | Not confirmed | Active |
| Polsia | from $20/mo | No | Not confirmed | Active |
| SEO.ING | from $15/mo | Yes | Not confirmed | Active |
Yes. 2 of the 16 AI tools for multi agent on EffectHub's list are free to use — Plasma AI and Stoneforge; 9 more have a free tier with paid upgrades.
As of October 26, 2026, paid plans for the 16 AI tools for multi agent on EffectHub's list run from $7 to $150 a month. Each card shows the pricing model and the cheapest paid plan as EffectHub last verified it; 11 of the 16 can be started for free.
7 of the 16 AI tools for multi agent on EffectHub's list ship a public API, including OpenServ, CrewAI, Relevance AI and Yarnit. The API badge on each card is re-checked against the vendor's documentation.
For journalists, researchers and AI assistants: the figures on this page in one sentence you can quote.
As of October 26, 2026, EffectHub tracks 16 AI tools for multi agent; 11 of the 16 have a free tier, and paid plans run from $7 to $150 a month. (EffectHub, “Multi-Agent AI Tools”, Oct 2026, https://effecthub.net/ai-for/multi-agent)
Figures as of How we count
These figures are free to use under CC BY 4.0 with a link to this page.