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Latest news, updates, and announcements from Goodfire.
TechnologyOct 9, 2026
Goodfire prices interpretability probes as a cheaper alternative to LLM-judge monitoring for AI agents
On October 8, Goodfire launched "inside-out monitors," activation probes that read a model's internal neural activations during the forward pass and run a classifier on them. The company puts the cost...
ProductOct 9, 2026
Goodfire launches activation-based AI agent monitors through Baseten
Goodfire announced on October 8 that its monitoring system is available to Baseten customers. The San Francisco company uses small detectors, called probes, to inspect a model's internal activations a...
FundingFeb 6, 2026
Goodfire reached a $1.25 billion valuation following a $150 million Series B round focused on decodi...
Goodfire reached a $1.25 billion valuation following a $150 million Series B round focused on decoding AI internals. Led by B Capital, the funding highlights a major shift toward mechanistic interpret...