MIT self-host
Free
Ongoing software; BYOK and hosting separate
- Included scope
- CLI; prompt generation; mention metrics; scheduled monitoring
Open-source AI brand mention monitoring · Official-source review 2026-10-09
Lettertrace generates prompts for a topic, queries supported answer engines and tracks brand mentions, sentiment, positions and competitor share of voice. Its CLI and self-hosted workspace support scheduled runs and trend inspection.
Understand the total cost
MIT self-host
Free
Ongoing software; BYOK and hosting separate
No retained pricing changes yet. A current price alone does not establish a historical trend.
Current official product source read individually; product artwork inspected visually.
Read original source ↗Official product page reviewed for disclosed costs; unverified prices and allowances are identified in the listing.
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
Yes. Lettertrace has an ongoing free plan. MIT-licensed software is free to self-host with BYOK; provider query charges and Supabase/infrastructure costs remain separate.
Lettertrace is listed as free. No paid plan with a published price was found.
We could not confirm API access for Lettertrace.