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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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Replit Agent
A
Luma Dream Machine
A
Windsurf
A
GitHub Copilot
B
TaglineReplit's AI that builds + deploys full apps on their platform.Smooth, cinematic motion. Image-to-video specialist.Codeium's agentic IDE. Cascade agent + strong free tier.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.
CategoryCodingVideoCodingCoding
Pricing$10-$25/mo Core/TeamsFree + $10-$500/moFree + $15/mo ProFree (limited) + $10/mo Pro + $19/mo Business
Best forTeachers, students, prototypers, hackathon builders.Photographers animating stills, cinematic b-roll.Developers who want Cursor-like power for less money.Teams with GitHub already. Devs who don't want to change IDEs.
Strengths
  • Full-stack + DB + auth + deploy in one environment
  • Great for teaching/learning
  • Runs everything in-browser
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
Weaknesses
  • Locked into Replit hosting
  • Less code quality than dedicated IDEs
  • Prompt fidelity below Runway
  • Queue times on free tier
  • Smaller community
  • Model selection more limited
  • Less agentic than Cursor/Claude Code
  • Model quality varies
Kai's verdictA-tier. Best for teaching a kid to code in 2026.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.A-tier. Close second to Cursor. If $5/mo matters, start here.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.
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