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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.
Pick tools (3 selected)
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Windsurf
A
Luma Dream Machine
A
Synthesia
A
TaglineCodeium's agentic IDE. Cascade agent + strong free tier.Smooth, cinematic motion. Image-to-video specialist.Enterprise AI avatar video for training + comms.
Categorycodingvideovideo
PricingFree + $15/mo ProFree + $10-$500/mo$22-$89/mo + enterprise
Best forDevelopers who want Cursor-like power for less money.Photographers animating stills, cinematic b-roll.Enterprise L&D, corporate training, internal comms.
Strengths
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
  • Polished, corporate-safe avatars
  • 140+ languages
  • Enterprise compliance + SSO
Weaknesses
  • Smaller community
  • Model selection more limited
  • Prompt fidelity below Runway
  • Queue times on free tier
  • More expensive than HeyGen for individuals
  • Less viral-friendly output
Kai's verdictA-tier. Close second to Cursor. If $5/mo matters, start here.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.A-tier. HeyGen wins for creators, Synthesia wins for enterprise.
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