openaiPOST
OpenAI expands London office to 500 people, involved in training GPT-6 Astra
Anthropic and OpenAI both expanded their London offices this year, and the London team reportedly played a major role in training Astra.
Seb Johnson
@SebJohnsonUKArchived 2026.10.02Originally posted 2026.10.01
Seb Johnson @SebJohnsonUKOriginally posted 2026.10.01
Both Anthropic and OpenAI announced huge expansions plans to their London offices this year. Anthropic is growing its office space from 200 to 800 people. OpenAI is expanding to 500 people. Since the OpenAI announcement it has been revealed that the London office played a huge role in the training of GPT-6 Astra. London AI is COOKING
x.com/sebjohnsonuk/status/2105633074088472667Archived 2026.10.02 10:04