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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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Dev Platform
Audio
Research
Agents
Coding
Chatbots
Image
Video
Voice
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Manus
S
Genspark
A
Claude Code
S
Sora
A
TaglineAutonomous AI agent that actually finishes tasks.AI agent for deep search. Generates Sparkpages — full mini-reports.Anthropic's CLI agent. Opus-powered, operates on your repo directly.OpenAI's video model. Long clips, cinematic quality.
CategoryAgentsResearchCodingVideo
PricingFree tier + $39-$199/moFree + $25/mo PlusPart of Claude Pro/Max/Team plansIncluded with ChatGPT Plus/Pro
Best forPeople who want to hand off tasks entirely — trip planning, research, spreadsheet building.Travel planning, shopping comparisons, deep research where you want an artifact back.Developers who want an agent, not autocomplete. Large refactors, tests, docs.ChatGPT subscribers experimenting with cinematic shots.
Strengths
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • Sparkpages = curated multi-source mini-articles
  • Agent can book, compare, shop
  • Autopilot agent for long tasks
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
Weaknesses
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Early-stage — rough edges
  • Less reliable than Perplexity for simple questions
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
Kai's verdictS-tier in the agent category. The first one I'd give to a non-technical friend.A-tier. Bet on this one — the Sparkpage format is genuinely new.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.
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