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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
Claude Code
S
Cursor TypeScript SDK
A
Gemini
A
TaglineReplit's AI that builds + deploys full apps on their platform.Anthropic's CLI agent. Opus-powered, operates on your repo directly.Wire Cursor's full coding-agent runtime into your own apps, scripts, and CI/CD pipelines with a few lines of TypeScript.Google's answer. Best integrated with Workspace + free for a lot.
CategoryCodingCodingDev PlatformChatbots
Pricing$10-$25/mo Core/TeamsPart of Claude Pro/Max/Team plansToken-based; requires Cursor plan (Pro from $20/mo). Composer 2 at $0.50/$2.50 per M tokens (in/out); fast variant $1.50/$7.50 per M tokens.Free + $20/mo Advanced (bundled with 2TB Drive)
Best forTeachers, students, prototypers, hackathon builders.Developers who want an agent, not autocomplete. Large refactors, tests, docs.Engineering teams who already use Cursor and want to embed its coding-agent runtime into CI/CD pipelines, backend services, or internal developer tools without building agent infrastructure from scratch.Anyone already on Google, research tasks, summarizing long documents.
Strengths
  • Full-stack + DB + auth + deploy in one environment
  • Great for teaching/learning
  • Runs everything in-browser
  • Runs locally, edits your actual files
  • Strong on large codebases with 1M context
  • Great at multi-step tasks
  • Same runtime as the Cursor IDE — no reinventing sandboxing, context management, or model routing
  • Three execution modes: local machine, Cursor cloud VMs (isolated per-agent), or self-hosted workers for air-gapped teams
  • Cloud agents are durable — keep running even if your laptop sleeps or connection drops, and can open PRs automatically on finish
  • Full harness included: codebase indexing, MCP servers, skills, hooks, and multi-agent delegation via subagents
  • Visible in Cursor's Agents Window — programmatic runs can be inspected or taken over manually in the IDE
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
Weaknesses
  • Locked into Replit hosting
  • Less code quality than dedicated IDEs
  • Terminal-based — learning curve
  • Can't be used without Claude subscription
  • TypeScript-only SDK — no official Python or other language bindings at launch
  • Public beta status means API surface and pricing can shift without much notice (Cursor has a track record of surprise pricing changes)
  • Cloud VM costs layer on top of subscription credits, making cost estimation non-trivial at scale
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
Kai's verdictA-tier. Best for teaching a kid to code in 2026.S-tier if you live in the terminal. Different shape than Cursor — complementary, not replacement.If your team is already in the Cursor ecosystem, this is a genuinely compelling way to turn ad-hoc AI coding sessions into durable, automated workflows — but the beta label and Cursor's history with opaque pricing mean you'll want to set hard budget guardrails before going to production. (Verdict pending Phi's full review.)A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.
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