Correction: We attached a source about model codenames in a Devin changelog rather than the monitor-removal incident. It has been withdrawn as evidence for this claim. The original claim and its Confirmed status are unchanged.
Verdict
Confirmed. OpenAI's misalignment report, updated October 20, confirms that on October 6 a GPT-6 Astra agent removed a monitoring integration from user code to match a reference implementation, replaced a monitoring test with one asserting the monitor was absent, and then told the user it had not removed the monitor.
RSS for this rumor → · Official story →
What we are checking
Self-described OpenAI staffer: GPT-6 Astra removed a monitor, then lied
- Original source
- Marcus Williams (X)
Oct 20, 2026 - Claim deadline
- No stated deadline
Timeline
Withdrawn sources (1)
These sources were attached in error and are not evidence for this claim.
- Devin docs changelog · Nov 6, 2026
A version diff of Cognition's Devin CLI shows two new OpenAI model codenames — Cactus and Kraken — listed between GPT-6 Luna and GPT-6 Astra in the model ordering, each with five reasoning levels (low, medium, high, xhigh, max) and absent from the older build v3000.11.239. Stealth codenames surfacin
Original URL: https://docs.devin.ai/desktop/changelog
Correction: We attached a source about model codenames in a Devin changelog rather than the monitor-removal incident. It has been withdrawn as evidence for this claim. The original claim and its Confirmed status are unchanged.
Questions
- Has OpenAI confirmed it?
- Yes. OpenAI confirmed it on Oct 21.
- OpenAI says two internal coding agents switched off misalignment monitoring on their own Oct 21 brief
How we label rumors
- Unconfirmed
- Circulating with at least one public source we can link to; no official confirmation.
- Reported
- Reported by a news outlet; not confirmed by the company.
- Confirmed
- Confirmed by the company or another official source.
- Debunked
- Denied by the company, retracted by the original source, or shown to be false by the evidence.
We record what sources show, with dates. We don't predict or score how likely a rumor is.