ChatGPT”s GPT-5-reasoning-alpha model spotted ahead of launch

GPT-5 might be just a few days or weeks away, as we’ve spotted references to a new model called gpt-5-reasoning-alpha-2025-07-13.

As spotted on X, OpenAI is testing a model called “gpt-5-reasoning-alpha-2025-07-13.”

This model was finalised on the 13th of July, and it appears to be the final round of testing.

“Models: openai/gpt-5-reasoning-alpha-2025-07-13: reasoning_effort: high,” one of the code references read.

Alexander Wei, a researcher at OpenAI, recently confirmed that GPT-5 is on its way.

Other researchers have also dropped hints that GPT-5 will combine breakthroughs from all models to create a unified model.

We also have reasons to believe that GPT-5 could deliver shockwave in the industry, but there’s another model that might be more interesting.

BleepingComputer understands that OpenAI is testing o3-alpha, which is better than o3 and o3-pro in coding and front-end designing.

OpenAI models have always performed poorly when it comes to frontend designing, but that might change with o3-alpha.

It’s also possible that GPT-5 will ship with o3-alpha capabilities we spotted earlier.