GPT-5.4 is now available in Windsurf with multiple reasoning effort levels. For a limited time, self serve users enjoy promotional pricing starting at 1x credits.

Windsurf

GPT-5.4 is now available in Windsurf, the AI coding assistant, with five reasoning effort levels ranging from No Reasoning to Extra High Reasoning. Promotional pricing for self-serve users starts at 1x credits for No and Low Reasoning tiers, scaling up to 8x credits for Extra High Reasoning. The model is accessible to Pro, Teams, Enterprise, and Trial users.