Compare AI tools

	Fathom S	Manus S	Cursor S	Claude Agent SDK S
Tagline	Meeting notes, free forever for individuals.	Autonomous AI agent that actually finishes tasks.	VS Code fork that made AI coding actually work.	Anthropic's SDK for building your own agents on Claude.
Category	Meetings	Agents	Coding	Agents
Pricing	Free for individuals + $15-$29/user/mo teams	Free tier + $39-$199/mo	Free + $20/mo Pro + $40/mo Business	API usage + SDK is free
Best for	Solo operators, freelancers, small teams on a budget.	People who want to hand off tasks entirely — trip planning, research, spreadsheet building.	Developers. Non-developers who want to ship working code.	Developers building custom agents for their own company/product.
Strengths	Unlimited free tier for solo use Strong summaries + action items Works in Zoom, Meet, Teams	General-purpose agent — research, book, build, analyze Parallel task execution Web browsing + file creation + coding	Tab completion feels like mind-reading Composer for multi-file edits Runs Claude, GPT, Gemini — you pick	Production-grade agent primitives Built on Claude (best reasoning) Full control — build exactly what you need
Weaknesses	Bot-joining model Team features gated	Still hit-or-miss on complex multi-hour tasks Can burn credits fast	Can feel overwhelming for non-coders Expensive at scale	Developer-only You build the UI
Kai's verdict	S-tier for solo + free. The best free option, hands down.	S-tier in the agent category. The first one I'd give to a non-technical friend.	S-tier for coding. If you write code of any kind, this pays back the $20 in a day.	S-tier for builders. The right primitives. What Kai is built on under the hood.
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