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Claim Text
I spent the last three years doing pretraining research at both OpenAI and Anthropic.
Simplified Text
Jacob Coxon stated that he spent the three years prior to his September 2026 resignation doing pretraining research at both OpenAI and Anthropic.
Confidence Score
1.000
Claim Maker
Jacob Coxon
Context Type
Social Media Post
Context Details
{
    "role": "Pretraining research",
    "person": "Jacob Coxon",
    "duration": "3 years",
    "end_date": "2026-09-08",
    "organizations": [
        "OpenAI",
        "Anthropic"
    ]
}
Subject Tags
Technology Employment Artificial Intelligence Research
UUID
ef6641ff-660c-4992-9f15-51ef68972a15
Vector Index
✗ No vector
Created
September 18, 2026 at 10:21 PM (3 weeks ago)
Last Updated
September 18, 2026 at 10:21 PM (3 weeks ago)

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Screenshot of https://x.com/hilbertspaess/status/2097476196791709843
Jacob Coxon Resigns from Anthropic, Citing Irresponsible AI Race at OpenAI and Anthropic
Completed Opinion
3 claims
3 weeks ago
https://x.com/hilbertspaess/status/2097476196791709843

Jacob Coxon, a former pretraining researcher at OpenAI and Anthropic, announced his resignation from Anthropic. He criticizes both companies for irresponsibly racing towards self-improving superintelligence.

Artificial Intelligence AI Safety Anthropic OpenAI Resignation Superintelligence

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