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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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Agents
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Productivity
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Dev Platform
Data
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Taskade
B
Symphony
A
Framer
A
Perplexity
S
TaglineAI project management with agents for each team.OpenAI's open-source daemon that turns your Linear board into an always-on coding agent factory — tickets go in, pull requests come out.Design + publish sites with AI assists built in.AI search done right. Cited answers, not chat theater.
CategoryProductivityAgentsDesignResearch
PricingFree + $8-$20/user/moFree (open-source)Free + $5-$30/moFree + $20/mo Pro
Best forSmall teams wanting AI baked into project management.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.Designers shipping marketing sites without engineers.Replacing Google for any question where you want a cited answer in seconds.
Strengths
  • Custom AI agents per project
  • Doc + tasks + kanban in one
  • Affordable for teams
  • Fully autonomous ticket-to-PR pipeline: every open Linear issue gets its own isolated Codex agent without manual supervision
  • Fault-tolerant Elixir/OTP architecture automatically restarts crashed agents and manages hundreds of concurrent runs
  • WORKFLOW.md keeps all orchestration policy version-controlled inside the repo, so agent behavior is reproducible and reviewable like code
  • Proven internal results: OpenAI reported a 500% increase in landed PRs on some teams within three weeks
  • Open spec encourages community re-implementations in any language, not just Elixir
  • AI generates sections + copy + layouts
  • Designer-first publishing (not just templates)
  • Great animations
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
Weaknesses
  • Feature sprawl
  • AI agents need tuning to be useful
  • Currently only supports Linear as an issue tracker — GitHub Issues and Jira integrations are not yet official
  • Only OpenAI Codex is officially supported as the agent runtime; other model integrations are community-contributed and incomplete
  • Self-hosted, Elixir-dependent engineering preview with no built-in sandboxing — not suitable for untrusted or production environments out of the box
  • Less flexible than raw code
  • Pricing per-site adds up
  • Not a general chatbot
  • Answers can be shallow on complex topics
Kai's verdictB-tier. Solid product but crowded market. Try it if Notion AI feels too generic.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.)A-tier for designer-led sites. S-tier if animations matter.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.
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