GPT-5.5 fails to execute simple navigation tasks effectively.
GPT-5.4 bug caused excessive processing time and resource waste due to irrelevant content generation.
GPT-5.4 may not effectively reduce retries in coding and tool-heavy tasks.
GPT-5.6 Sol in Codex is perceived as slow, affecting productivity during code refactoring.
GPT 5.6 Sol is causing productivity loss due to inefficiency and irrelevant outputs.
The cost efficiency of using GPT-5.6 Sol Max for debugging tasks is not justified compared to its performance improvements.
Users are experiencing slower performance with GPT-5.6 compared to other coding models, impacting productivity.
Lack of clear performance and pricing information for the new GPT-5.6 Sol Ultrafast model may hinder customer adoption.