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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 (4 selected)
Chatbots
Research
Coding
Image
Video
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Meetings
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Productivity
Audio
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Agents
Dev Platform
Data
Marketing
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Cline
A
GitHub Copilot
B
Genspark
A
Luma Dream Machine
A
TaglineOpen-source VS Code agent. Reads + writes + runs.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.AI agent for deep search. Generates Sparkpages — full mini-reports.Smooth, cinematic motion. Image-to-video specialist.
CategoryCodingCodingResearchVideo
PricingFree (open source) + your API costsFree (limited) + $10/mo Pro + $19/mo BusinessFree + $25/mo PlusFree + $10-$500/mo
Best forVS Code users who want agentic coding without changing IDEs.Teams with GitHub already. Devs who don't want to change IDEs.Travel planning, shopping comparisons, deep research where you want an artifact back.Photographers animating stills, cinematic b-roll.
Strengths
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
  • Sparkpages = curated multi-source mini-articles
  • Agent can book, compare, shop
  • Autopilot agent for long tasks
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
Weaknesses
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Less agentic than Cursor/Claude Code
  • Model quality varies
  • Early-stage — rough edges
  • Less reliable than Perplexity for simple questions
  • Prompt fidelity below Runway
  • Queue times on free tier
Kai's verdictA-tier. Best free agentic option in VS Code. Use with Claude for best results.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.A-tier. Bet on this one — the Sparkpage format is genuinely new.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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