GPT-5.2 first impressions: a powerful update, especially for business tasks and workflows

OpenAI has officially released GPT-5.2, and the reactions from early testers — among whom OpenAI seeded the model several days prior to public release, in some cases weeks ago — paints a two toned picture: it is a monumental leap forward for deep, autonomous reasoning and coding, yet potentially an underwhelming "incremental" update for casual conversationalists.

Following early access periods and today's broader rollout, executives, developers, and analysts have taken to X (formerly Twitter) and company blogs to share their first testing results.

Here is a roundup of the first reactions to OpenAI’s latest flagship model.

"AI as a serious analyst"

The strongest praise for GPT-5.2 centers on its ability to handle "hard problems" that require extended thinking time.

Matt Shumer, CEO of HyperWriteAI, did not mince words in his review, calling GPT-5.2 Pro "the best model in the world."

Shumer highlighted the model's tenacity, noting ...