Comparison
| Tool | Price from | Free plan | Category |
|---|---|---|---|
 Opera Neon | 19.90 USD/mo | no | AI agents |
 Agenta | 29 USD/mo | yes | AI agents |
 Dust | 24 EUR/mo | trial | AI agents |
 Hermes Agent | 20 USD/mo | yes | AI agents |
 Gumloop | 37 USD/mo | trial | AI agents |
 Warp | 20 USD/mo | yes | AI agents |
 Manus | 20 USD/mo | ? | AI agents |
 Microsoft Foundry | not listed | ? | AI agents |
Each alternative in short
1. Agenta
Open-source workspace where teams build, improve and run AI agents via chat, Slack or Telegram, self-hosted or in the cloud.
Yes, there is a free plan. Hobby plan free forever: 2 team members, unlimited projects, agents and workflows, 5,000 agent runs per month, 1-week trace retention. Open-source self-hosted version free forever.
2. Dust
Connects company knowledge, tools and teams so people and AI agents can build, share and run workflows together.
There is a free trial. Free plan includes 500 credits (lifetime). A free trial is available via 'Try for free'.
3. Hermes Agent
Open-source, self-hosted AI agent with persistent memory and messaging integrations (Telegram, Discord, Slack, WhatsApp, Signal, email), for people who want a personal agent they run themselves.
Yes, there is a free plan. Free plan: free models only, standard rate limits, 0 USD monthly credits. The software itself is free under MIT.
4. Gumloop
Multiplayer AI agent builder letting teams create agents with any AI model and integration while IT controls access.
There is a free trial. 14-day free trial of the Pro plan.
5. Warp
Open platform for running fleets of coding agents across the software development lifecycle, plus an agentic terminal and CLI for developers and teams.
Yes, there is a free plan. Free plan includes core terminal features, Warp Agent CLI access, limited cloud agents access, and bring-your-own AI inference; additional agent usage is at pay-as-you-go rates. Page also mentions qualified teams getting up to $10k in free factory usage.
6. Manus
An AI agent that executes tasks and automates workflows rather than only answering questions, for users who want hands-on help.
The vendor does not state this clearly on the homepage or pricing page.
7. Microsoft Foundry
Enterprise platform from Microsoft Azure to build, ground, and govern AI apps and agents with a wide model catalog and centralized security.
The vendor does not state this clearly on the homepage or pricing page.
FAQ
What is the best alternative to Opera Neon?
The most popular option in the same category is Agenta. See the comparison table above.