Exa costs $15/mo.
These cost $0.
1 free alternatives to Exa, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.
The top-rated free, open-source replacement for Exa is OpenSERP (Open Source Open Source). Across this category, 1 self-hostable tool is available (including OpenSERP). Switching a 5-person team saves up to $900/year compared to Exa's $15/mo subscription.
The catch: Requires self-hosting setup, updates, and server maintenance compared to managed Exa.
Exa vs Free Alternatives
Quick side-by-side comparison · $0/mo vs $15/mo
| Alternative | Type | License | Where It Runs | Stars | Head-to-Head |
|---|---|---|---|---|---|
| OpenSERP | open source | Open Source | Self-host | ★ 1.6k | Exa vs OpenSERP → |
The picks
1 open source · ranked by fit
- 01
OpenSERP
open sourceOpen SourceSelf-host1.6knov 2026Query Google, Bing, Yandex, Baidu, DuckDuckGo, and Ecosia through one REST API. Self-host free under MIT, or use the managed cloud option.
The catch vs ExaRequires self-hosting setup, updates, and server maintenance compared to managed Exa.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/karust/openserp or deploy with Docker Compose
- setup
- Deploy via Docker or binary release from GitHub and configure environment variables.
- your data
- All application data and configuration live on your own server or local database.
- checked
- 2026-11-07
Exa Head-to-Head Comparisons (2027)
Side-by-side trade-off breakdowns · 1 free alternatives
Frequently Asked Questions
Direct answers · Exa open-source replacements
What is the best free alternative to Exa?+
The top free alternative to Exa is OpenSERP (open source, Open Source). Query Google, Bing, Yandex, Baidu, DuckDuckGo, and Ecosia through one REST API. Self-host free under MIT, or use the managed cloud option.
Can I self-host a free replacement for Exa?+
Yes. Of the 1 free alternatives to Exa, 1 can be self-hosted on your own server or local machine: OpenSERP (Open Source).
How much does switching from Exa to a free alternative save?+
Exa starts at $15/month per seat ($180/year). Switching a 5-person team to a free alternative like OpenSERP saves $900 per year in software subscription fees.
Should I vibe-code or build my own Exa clone from scratch?+
Our build verdict for Exa is NO (use a free alternative, save the tokens). Instead of paying recurring SaaS fees for Exa or rebuilding it from scratch, deploy one of the 1 battle-tested open-source alternatives like OpenSERP.
What is the catch when switching from Exa to OpenSERP?+
Requires self-hosting setup, updates, and server maintenance compared to managed Exa.
