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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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Image
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Genspark
A
Claude Code
S
Devin
A
Flux (Black Forest Labs)
A
TaglineAI agent for deep search. Generates Sparkpages — full mini-reports.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Cognition Labs' autonomous coding engineer.Open weights + strong photorealism. The open-source answer.
CategoryResearchCodingAgentsImage
PricingFree + $25/mo PlusPart of Claude Pro/Max/Team plans$500/moAPI + open weights (Schnell is Apache 2.0)
Best forTravel planning, shopping comparisons, deep research where you want an artifact back.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Engineering teams offloading tickets. Ops/platform work.Developers + power users who want control and privacy.
Strengths
  • 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
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
Weaknesses
  • Early-stage — rough edges
  • Less reliable than Perplexity for simple questions
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Harder to use than hosted tools
  • Needs infra
Kai's verdictA-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 for the right use case. Not for solo devs. If you manage engineers, try one license.A-tier. S-tier if you self-host. The reason open-source image gen matters.
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