Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
ChatGPT
Pros
+Largest plugin and integration ecosystem
+Excellent at coding and analysis
+GPT-4o handles images and voice
+Widely supported across third-party tools
Cons
−Trains on data by default — opt-out required
−Pricing higher than some alternatives
−Can be inconsistent on complex reasoning
Replit
Pros
+GDPR compliant with EU representative appointed (confirmed from privacy policy)
+Build, run, and host in a single browser-based environment
+Free Starter tier with daily AI agent credits — no card required
+Enterprise plan includes single-tenant environments and SSO
Cons
−SOC2 not confirmed from official sources
−Core and Pro tiers priced in credits — actual usage cost unpredictable
−Less capable than desktop IDEs for large, complex codebases
Our take— ChatGPT wins
Based on our comparison of published pricing, features, and compliance data, ChatGPT scores 8.7/10 to Replit's 7.8/10. ChatGPT pulls ahead with SOC 2 certification. Replit stays close but doesn't lead on any single attribute here. Pick ChatGPT if SOC 2 certification matters; Replit is the pick if it doesn't.