GPT 5.4 (high/xhigh reasoning) to be added/upgraded | Voters

GPT 5.4 (high/xhigh reasoning) to be added/upgraded

under review

theunmindful

Current model is outdated at 5.2. Needs to be updated. This should be default as soon as GPT X.Y model is updated, the reasoning counter part must be added as well.

March 6, 2026

Stefan

GPT-5.4 high reasoning was released 6 weeks ago. When can we expect it to arrive in Merlin? Usually, you implement new AI versions quickly. Is there a technical reason for the delay?

Milind Mishra

marked this post as

under review

Hi thanks for the suggestion, noted.