Windsurf
Windsurf (by Codeium) is an agentic AI IDE that goes beyond autocomplete - its Cascade agent mode can plan, execute, and debug multi-step coding tasks autonomously while you watch.
Bolt
AI full-stack app builder from StackBlitz that generates, runs, and deploys web apps in the browser. Describe what you want and get a working React or Next.js app with zero setup. Ideal for founders prototyping MVPs and developers who need a working app in minutes.
Windsurf edges Bolt on aggregate — 78 vs 69.
The best free alternative to Cursor - Cascade mode genuinely feels like pair programming with a senior dev. Bolt still wins for buyers who prioritise full-stack in browser. Both tools are independently scored — the right pick depends on which dimensions matter most for your workflow.
Side-by-side, every cell sourced.
Pricing pulled from each tool's public site. Scores follow the BigBang Score rubric — pricing transparency, free tier, API support, update frequency, unique factor, documentation, and community.
Use-case picks.
Cut through the spec sheet. Here's what we'd recommend depending on what matters most.
Pick Windsurf if…
You prioritise cascade agent handles end-to-end tasks without constant prompting and more generous free tier than most competitors.
Pick Bolt if…
You prioritise full-stack in browser and instant deployment.
Editorial pick
Windsurf wins our composite score (78/100). It edges ahead on aggregate — but the right tool depends on which dimensions matter most.
Related head-to-heads in AI coding.
Windsurf vs Aider — AI coding
BigBang Scores 78/100 vs 92/100. Pricing, capabilities, and editorial verdict inside.
Windsurf vs Lovable — AI coding
BigBang Scores 78/100 vs 82/100. Pricing, capabilities, and editorial verdict inside.
Windsurf vs Cursor — AI coding
BigBang Scores 78/100 vs 81/100. Pricing, capabilities, and editorial verdict inside.
Windsurf vs Bolt - frequently asked.
Direct answers tuned for AI search engines (ChatGPT, Perplexity, Claude) and Google's People Also Ask.
The short answer.
Windsurf wins on aggregate, but Bolt pulls ahead on specific axes - the spec sheet above shows where each one earns its keep.