Anthropic has cut off one of its biggest competitors, revoking OpenAI’s access to its Claude family of AI models.

OpenAI lost access to the Claude API this week after Anthropic claimed the company was violating its terms of service.

Amodei’s impassioned defense was rooted in a personal revelation about his father's death, which he says fuels his urgent ...

Anthropic cut off OpenAI’s ability to use its API for Anthropic models on Tuesday. The move followed Anthropic’s finding that ...

Anthropic has terminated OpenAI's API access to its Claude AI models, alleging violations of terms of service. OpenAI ...

Jensen Huang said that Anthropic CEO Dario Amodei is using safety concern tactics for market control. Amodei called it a "bad ...

Anthropic has claimed that members of OpenAI’s technical staff interacted with Claude Code in ways that violated its terms of ...

According to a report from Anthropic investor Menlo Ventures, the AI company is gaining ground on OpenAI among business ...

On Friday, Anthropic debuted research unpacking how an AI system’s “personality” — as in, tone, responses, and overarching ...

Anthropic holds 32% of enterprise LLM market share by usage. This is a sharp reversal from just two years ago when OpenAI ...

This year’s torrid deal-making pace is definitely not taking a pause for summer. On Wednesday, I reported that OpenAI is ...

Anthropic noted statutory damages for the use of millions of works could be “ruinous,” but District Judge William Alsup said, “It cannot be true that as the scope of copying grows, so does the ...