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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.
Pick tools (4 selected)
Dev Platform
Agents
Voice
Video
Audio
Research
Coding
Chatbots
Image
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Rows
A
Hume AI
A
Manus
S
Flux (Black Forest Labs)
A
TaglineSpreadsheets with AI + live integrations baked in.Voice AI that reads + expresses emotion.Autonomous AI agent that actually finishes tasks.Open weights + strong photorealism. The open-source answer.
CategoryDataVoiceAgentsImage
PricingFree + $19-$89/user/moFree tier + pay-as-you-goFree tier + $39-$199/moAPI + open weights (Schnell is Apache 2.0)
Best forOps teams, marketers, anyone building dashboards from multiple sources.Therapy apps, customer service, any voice agent where emotion matters.People who want to hand off tasks entirely — trip planning, research, spreadsheet building.Developers + power users who want control and privacy.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Niche use case
  • Pricing ramps fast
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Harder to use than hosted tools
  • Needs infra
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier in its niche. The only one that actually gets emotion right.S-tier in the agent category. The first one I'd give to a non-technical friend.A-tier. S-tier if you self-host. The reason open-source image gen matters.
LinkOpen →Open →Open →Open →