Replit Agent
Replit Agent scaffolds, edits and deploys full applications from natural language, billed by effort-based agent checkpoints.
Full Replit Agent record →Head to head
Replit Agent vs Windsurf
Replit Agent (Replit) and Windsurf (Cognition) both sit in Coding. Windsurf is the cheaper entry point at Free tier available, sign up for free. Paid plans exist (mention of paying users, Teams, and Enterprise ACU limits) but pricing is not published in the source.. Windsurf shipped more tracked changes in the last 30 days (14 vs 3). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Replit Agent Replit | Windsurf Cognition |
|---|---|---|
| Segment | Coding | Coding |
| Version | Replit Agent | 3.10.27 |
| Entry cost | Free tier · from $20/mo | Free tier available, sign up for free. Paid plans exist (mention of paying users, Teams, and Enterprise ACU limits) but pricing is not published in the source. |
| Pricing tiers | Free Mode (Core/Pro) free | Free free |
| Model stack | Claude · Free Mode · GPT-5 class · Max Mode · Power Mode · unspecified frontier model | Cascade · Claude · Claude Fable 5.1 · Claude Sonnet 4.5 · Devin · Devin Local · Fast · Fusion · Gemini · GPT · GPT 5.2 Mini · GPT-5.2 · GPT-5.6 · Haiku · Kimi K2.5 · OpenAI frontier models · SWE 1.7 · SWE-1.5 · Ultra |
| Context window | Model-dependent | Varies by model |
| Public API | ||
| Routes models | ||
| Changes / 30d | 3 | 14 |
| Origin | Global | Global |
| Capabilities | Prompt to deployed app, Autonomous testing loop, Database and auth provisioning, Mobile app, Checkpoint billing, Plan mode, Lite mode, Economy mode | Cascade agent, Supercomplete, Live previews, Memories, Deploys, Devin Local Agent, Devin Cloud Agent, Cascade Agent |
Windsurf
An IDE whose Cascade agent tracks your actions and edits across the codebase.
Full Windsurf record →