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
Gamma
Pros
+SOC 2 Type II certified and GDPR-compliant with DPA available
+Generous free tier with no credit card required
+Exports to PDF, PPTX, and Google Slides for broad compatibility
+Creates presentations, documents, and web pages from a single prompt
Cons
−Free plan limited to 400 one-time credits — not recurring
−Advanced AI image models require Plus tier or above
−Less suited to highly branded enterprise templates
Our take— ChatGPT wins
Based on our comparison of published pricing, features, and compliance data, ChatGPT and Gamma match on every tracked privacy, compliance, and capability attribute. ChatGPT scores 8.7/10 against Gamma's 8.0/10. The 0.7-point score gap reflects our overall assessment beyond these specific attributes.