Comparison2 of 3 tools selected

Compare AI tools

Pick 2–3 tools from one category. The selection is saved in the page address, so you can bookmark or share it. We compare pricing, platforms, use cases and verified facts side by side.

Lettertrace ×

Perplexity ×

Lettertrace ×
Perplexity ×

Comparator · Research & search

LettertraceFree tiervs

Perplexity$10/mo (Education Pro (consumer, verified students/faculty))

Starting pricefree · $10/mo

Free tieryes · yes

Plans documented1 · 7

Platforms1 · 2

Comparison of Lettertrace, Perplexity
	Lettertrace Visit website for Lettertrace (opens in a new tab)	Perplexity Visit website for Perplexity (opens in a new tab)
Category	Research & search	Research & search
Main use cases	Measuring brand visibility across AI assistants Tracking share of voice against competitors in AI answers Monitoring sentiment of AI-generated brand mentions Building weekly AEO/GEO trend reports Self-hosting brand monitoring with your own model keys	Researching questions with cited sources Tracking current events Comparing products or options Building search-grounded apps via API
Best for	Developer-minded marketing teams doing AEO/GEO, Startups wanting free AI brand monitoring, Agencies that prefer self-hosted tooling	Researchers, Students, Journalists, Developers building search features
Platforms	Web	Web, API
Pricing model	—	Freemium
Pricing	See official pricing US prices not confirmed	Free plan; Pro and Max paid plans; Enterprise for organizations. Viewed from outside the US, the pricing page showed Pro at $17/month and Max at $167/month (annual-billing equivalents). US monthly prices not confirmed — see official pricing. Checked Sep 30, 2026. Official pricing ↗
Key features	Multi-model monitoring: Claude, ChatGPT, Gemini, AI Overviews Automatic prompt variation generation from a single topic Mention, position, sentiment and recommendation scoring Share-of-voice tracking versus named competitors Scheduled daily or weekly runs MIT-licensed, self-hostable with BYOK and a CLI	Answers with inline source citations Real-time web search Deep research reports Choice of AI models from several labs on paid plans Perplexity Computer for building documents and apps Search, Agent and Embeddings APIs
Pros	Open source under MIT license with self-host instructions Bring your own API keys with no vendor markup Data stored in your own Supabase instance when self-hosted	Every answer links to its sources so claims can be checked Free plan available to start Paid plans offer models from multiple AI labs in one place Developer APIs with published usage-based pricing
Limitations	Requires your own Anthropic, OpenAI and Google API keys, whose usage you pay for Self-hosting requires setting up Node and Supabase No formal pricing or docs page on the site (/pricing and /docs return 404) Young project: public repo shows a small number of stars and forks	Answers can still misread or misattribute sources Deep research and model choice need a paid plan API is billed separately by tokens and requests Promotional credit offers change often, so check current terms
Ratings	Editorial Not yet reviewed Users No user reviews yet	Editorial Not yet reviewed Users No user reviews yet
Review status	Listed Verified Oct 1, 2026	Listed Verified Sep 30, 2026