Research & search · pricing
Choose Lettertrace if you are comfortable supplying your own Anthropic, OpenAI and Google keys and want an open-source MIT tool that tracks brand mentions, position and sentiment across AI assistants.
| Plan | Price | Billing | Who it is for | Key limits | API |
|---|---|---|---|---|---|
| Lettertrace (free, bring your own key) web |
Free | Unknown | Developers and marketers who accept self-managed API costs | Model API usage billed by your providers; Trial runs on shared keys are limited (limit not stated) | Not stated |
Homepage says it is free end-to-end; /pricing returns 404.
Trial runs on shared provider keys exist, with a free-run limit not quantified.
Your own Anthropic, OpenAI and Google API usage; Supabase if self-hosting.
Prices checked Oct 1, 2026 on the official US pricing page. Prices and limits change often.
Vendor pricing page re-checked automatically 11 days ago: no changes detected.
Homepage says it is free end-to-end; /pricing returns 404.
Trial runs on shared provider keys exist, with a free-run limit not quantified.
Free source (opens in a new tab)
Unknown
For: Developers and marketers who accept self-managed API costs
Limits
Includes
Your own Anthropic, OpenAI and Google API usage; Supabase if self-hosting.
The platform is advertised as free and MIT-licensed, but you pay your model providers for API usage; no pricing page exists. source (opens in a new tab)
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