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Replit
Replit Agent 4
Released Mar 11, 2026
Replit's app-building agent that creates and deploys web and mobile apps, decks and data apps from prompts, with a design canvas and parallel agents.
- Domain
- Coding
- Access
- Generally available
- Plan
- Core $20/mo; Pro $100/mo
Strengths & weaknesses
Strengths
- Design canvas and code in one environment
- Parallel agents on separate parts of a project (Pro/Enterprise)
- Free Mode for no-cost everyday agent work
Weaknesses
- Paid modes use effort-based pricing that varies by request complexity
- Models not named — only 'powerful' / 'best frontier' tiers
Not notable: non-frontier developer, no benchmark placement. Original Replit Agent launched in Sept 2024 (the 2024-09-16 'Introducing Replit Agent' post says 'last week'); Agent v2 early access 2025-02-25; Agent 4 2026-03-11. releaseDate is Agent 4 because the original day is not stated on a primary page. Vendor picks models ('Auto' does automatic model selection).