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Anthropic and OpenAI diverge on IPO timing amid calls to slow AI development

Anthropic and OpenAI are taking contrasting approaches to their public market debuts while simultaneously urging the industry to slow down. OpenAI CEO Sam Altman stated that an immediate IPO is "ill-advised," pushing the listing back to at least 2027. In contrast, Anthropic, valued at $965 billion, has confidentially filed for an IPO and is in preliminary talks to raise up to $100 billion at a…

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Key points

  • OpenAI CEO Sam Altman delayed IPO plans to 2027, citing ill-advised timing for a public offering.
  • Anthropic filed for IPO, targeting a $2 trillion valuation and up to $100 billion in new capital.
  • Anthropic CEO Dario Amodei called for industry-wide slowdowns and third-party safety evaluations.

This commercial momentum contrasts sharply with safety concerns raised by Anthropic CEO Dario Amodei, who published an essay calling for deliberate pacing in AI advancement. Amodei proposed embedding third-party evaluators and establishing international safety standards. These calls for caution were echoed by OpenAI and Elon Musk, signaling a shift in executive sentiment regarding AI risks.

The mixed signals rattled AI-related stocks, with investors weighing the potential impact of a slowdown on chipmakers and infrastructure spending. Despite the rhetoric, Anthropic’s annualized revenue run rate surpassed $65 billion by July 2026, a sevenfold increase from the end of 2025, driven by enterprise adoption of its Claude models.

The story so far

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  4. Anthropic and OpenAI diverge on IPO timing amid calls to slow AI developmentthis story
Full story from investmentnews.com · by https://www.investmentnews.com/authors/steve-randall · via Search: AnthropicOpen source ↗

Anthropic, OpenAI IPO paths diverge as firms sound alarm bells for civilization

investmentnews.com · 13 September 2026

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This text was published by investmentnews.com and written by https://www.investmentnews.com/authors/steve-randall. It is reproduced here with attribution so you can read it in full; the rights remain with the publisher. Read it at the source ↗

Coverage and discussion

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AnthropicOpenAINvidiaxAIFortuneBusiness InsiderClaudeGrokSam AltmanDario AmodeiElon MuskJacob CoxonEvan HubingerGil Luria

The headline, key points and digest above were generated by Digest AI's editorial model from the linked sources. Automated summaries can contain errors: the sources are the record. Spotted a mistake? Tell us. Published by Martin K., who runs Digest AI and handles corrections.

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