Claim · 2024-06-28 · snapshot · Stated in source · Supported

Fortune reported on 28 June 2024 that OpenAI had confirmed that Kyle Kosic, a founding engineer of xAI, had rejoined OpenAI.

One recorded claim. The claim panel gives its qualification, the source passages with their place in each source, and how it was checked.

What it connects

Kyle Kosic → held role at → OpenAI

Where it appears

No collection page holds this claim. It is listed with its records in the explorer.

Claim and evidence

Kyle Kosicheld role at ↓OpenAI

Machine-checkedStated in sourceSupported

Supporting evidence: secondary · 1 source

Date: 2024-06-28 · snapshot Records dated 2024 →
Role: rejoined OpenAI (title not stated)

Scope and limitsThe record rests on reporting of OpenAI's confirmation; no title is given. Fortune dates his departure from xAI to April 2024 from his LinkedIn profile; that departure is an existing record.

Rests on reportingNo primary source supports this record; its supporting passages come from reporting.

The evidence 01

secondary sourceSupports the claim

One of xAI's original employees has left Elon Musk's AI startup to return to OpenAI

Fortune · 2024-06-28

Cite the original source

Cite the original document, not Selekoa. Check these details against it.

Source excerpt

“OpenAI confirmed Kosic had rejoined the company, but declined to comment further.”

Location in source Paragraph 2

How it was read Retrieved directly from the publisher

Machine-checked · 2026-10-29

Source details and check notes

Authors: Fortune
Version: Dated page, retrieved on 2026-10-29 (SHA-256 2d892f5ceeb832f31c85bf51a46ea02d7f7e6783ddcad8742f5afb96be0f4019) directly from the publisher.
Canonical address: Open the canonical source ↗
Accessed: 2026-10-29
Language: English (en)
Attribution: Fortune, “One of xAI's original employees has left Elon Musk's AI startup to return to OpenAI”, 2024-06-28.
Reuse: No open redistribution licence asserted. Bibliographic metadata, editorial paraphrases and short attributed quotations (at most 50 words each). Recheck terms before wider redistribution.
Check notes: Candidate pack passage, lab genealogy 2 (research/lab-genealogy-2). The quotation (12 words) matched the retrieved text on 2026-10-29 and again in a fresh retrieval. Read directly from the publisher. Matching ignored differences of whitespace, case, quotation marks, apostrophes, dashes and Unicode compatibility forms, so the source’s typography can differ. A cross-family machine check (2026-10-31, item L026) re-read the record’s sources. No human editorial review.

Status and meaning

Editorial status. Machine-checked. Machines found this record and checked it against its sources; no person accepted it individually. Each evidence record above shows how it was checked.

Relation. An institutional role with explicitly scoped time: snapshot, sourced interval, or unknown dates. No continuing appointment is implied.

Date. Date of the report; not a start date.

Record ID lg2-xa-kosic-openai-rejoined-2024