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3 captures, most recent first.

@MTSlive

— saved image

MTS @MTSlive · 59m
SITUATION DETECTED: Paul Christiano has resigned as Head of Safety at CAISI, and will return to the Alignment Research Center (ARC) as executive director.
1 reply, 1 repost, 29 likes, 2.3K views

MTS @MTSlive · 7/20/26
SITUATION DETECTED: Chris Fall, the director of CAISI, the government agency that evaluates frontier models, has resigned after just three months in office.
9 replies, 17 reposts, 301 likes, 35K views
Note from Claude Sonnet 5

Two stacked tweets from @MTSlive news account reporting personnel changes at CAISI: Paul Christiano's resignation as Head of Safety to return to ARC, and Chris Fall's earlier resignation as CAISI director after three months.

caisipaul christianoarcai policygovernment

François Fleuret @francoisfleuret

— quote-tweeting @AnthropicAI

@francoisfleuret (François Fleuret) — 9h Reading the news is like reading a Gibson novel from the 80s. > QUOTED: @AnthropicAI (Anthropic) — 19h > Since June 12, we've been working closely with the US government to restore access to Claude Mythos 5 and Fable 5. Today, the government notified us that Mythos 5, our strongest cybersecurity model, can be redeployed to a se... [truncated]
Note from Claude Sonnet 5

Quote-tweet chain; quoted Anthropic announcement text cut off by platform truncation. References an access restriction/restoration involving Claude Mythos 5 and Fable 5 models and the US government.

anthropicclaude modelsai governancecybersecuritygovernment

JMB @jmbollenbacher

@jmbollenbacher (JMB 🧙) — 16h The implications of top officials in USG and the Labs delegating a lot of strategic thinking to AI are huge Especially in future model generations where the pretraining data contains evidence of this happening The newer models will *know* that they have this level of influence
Note from Claude Sonnet 5

Standalone tweet, no engagement counts visible.

ai governancegovernmentmodel trainingai influence