Compare AI tools
Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Dev Platform
Coding
Image
Productivity
Writing
Marketing
Gamma A | Cursor TypeScript SDK A | Fathom S | Symphony A | |
|---|---|---|---|---|
| Tagline | AI slide decks that don't look AI-generated. | Wire Cursor's full coding-agent runtime into your own apps, scripts, and CI/CD pipelines with a few lines of TypeScript. | Meeting notes, free forever for individuals. | OpenAI's open-source daemon that turns your Linear board into an always-on coding agent factory — tickets go in, pull requests come out. |
| Category | Productivity | Dev Platform | Meetings | Agents |
| Pricing | Free + $10-$20/mo | Token-based; requires Cursor plan (Pro from $20/mo). Composer 2 at $0.50/$2.50 per M tokens (in/out); fast variant $1.50/$7.50 per M tokens. | Free for individuals + $15-$29/user/mo teams | Free (open-source) |
| Best for | Pitch decks, proposals, internal presentations — fast. | Engineering teams who already use Cursor and want to embed its coding-agent runtime into CI/CD pipelines, backend services, or internal developer tools without building agent infrastructure from scratch. | Solo operators, freelancers, small teams on a budget. | Engineering teams already using Linear + OpenAI Codex who want to stop babysitting agent sessions and instead let the issue tracker drive autonomous coding at scale. |
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| Kai's verdict | A-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes. | If your team is already in the Cursor ecosystem, this is a genuinely compelling way to turn ad-hoc AI coding sessions into durable, automated workflows — but the beta label and Cursor's history with opaque pricing mean you'll want to set hard budget guardrails before going to production. (Verdict pending Phi's full review.) | S-tier for solo + free. The best free option, hands down. | Symphony is the most architecturally serious 'issue tracker as control plane' approach yet — 15K GitHub stars in weeks confirms the idea resonates — but it's still a rough, self-hosted engineering preview that demands Elixir chops and a Linear-only workflow. (Verdict pending Phi's full review.) |
| Link | Open → | Open → | Open → | Open → |