Side by side
Agenta vs LangWatch
Both stand on ai agent observability tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Open source APISelf-hostedWeb
Agenta combines agent-building, automation, and run observability, with both cloud and self-hosted options. Account for run limits, provider charges, and infrastructure responsibilities when selecting an approach.
Visit Agenta
Free plan Open source APILinuxMac+2
LangWatch brings agent simulation, evaluation, tracing, and deployment options together for teams working toward production. The free Developer plan has defined event and data-access limits; Growth costs €29 a month per core seat.
Visit LangWatchThe facts
| Agenta | LangWatch | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Yes | Yes |
| Runs on | API, Self-hosted, Web | API, Linux, Mac, Self-hosted, Web |
| Lowest paid plan | Pro: $29 a month | See the plans |
| Plans published | 8 | 3 |
| Maker | Not published | Not published |
| Website | agenta.ai | langwatch.ai |
| On ai agent observability tools | #1 of 31 | #4 of 31 |
Agenta: what it does well
- Free cloud plan includes 5,000 monthly runs
- Supports more than 1,000 integrations
- Offers self-hosting and data-location control
- Mobile app supports conversations and tool approvals
What to know first
- Hobby runs stop at 5,000 per month
- Model-provider charges are separate
- Self-hosted users manage upgrades and backups
LangWatch: what it does well
- Simulations cover conversations, tool use, recovery, and outcomes
- Evaluations can run in CI/CD to gate merges
- Tracing reports cost, tokens, duration, and errors
- Offers managed cloud, self-hosted, and hybrid deployment
What to know first
- Developer includes 14-day data access
- Growth includes 200k events before additional charges
- Enterprise pricing is custom
Alternatives to Agenta Alternatives to LangWatch The whole list