GPT-6.1 Terra spotted in an Microsoft evaluation update
The reported 18 configuration changes have not been independently verified; public OpenAI and Microsoft documents list GPT-6.1 Sol, not Terra.
By Ryan Merket · Published
Primary source: X
Why it matters
A model identifier inside evaluation configs can precede a public release, but it does not prove one. The reported Terra change remains unverified against Microsoft and OpenAI's public catalogs.
LuminaBench reported on October 19th that Microsoft had changed 18 evaluation configurations from GPT-5.6 Terra to GPT-6.1 Terra. The claim points to a possible model identifier but does not establish that OpenAI has released or scheduled a new model. The post says the change appeared in a Microsoft PR and that the underlying material was from three days earlier, around October 16th.
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