Anthropic prepares to launch IPO roadshow on Nov. 9 and cuts Fable 5.2 price to $8
Key Facts
Anthropic is preparing to launch its IPO roadshow on Nov. 9 and price the offering the following week, according to an IFR report. The move comes as the company announced Claude Fable 5.2 and Claude Mythos 5.2 on the same day, setting Fable’s price at $8 per million input tokens and $40 per million output tokens. The company said both prices are below those of the previous models, making usage costs one of the launch’s key details. The combination of IPO marketing and model launches gives investors a view of Anthropic’s business growth and expanding product lineup, while the company has yet to specify the number of shares or the IPO price range.
In its statement, Anthropic said Fable 5.2 and Mythos 5.2 generate outputs up to 30% faster than Fable 5.1 and Mythos 5.1. The company offers an optional fast mode that it said increases token generation speed by 2.5 times, at a price of $16 per million input tokens and $80 per million output tokens. It said Fable 5.2 is available starting Nov. 9 across all platforms, including Amazon Web Services, Google Cloud and Microsoft Azure. The company said the two models are based on the same underlying model, but Fable includes strong safeguards for cybersecurity and biology. Organizations working in those fields can apply for access to Mythos, according to the company.
Anthropic did not present its new model as the right choice for every task; it recommended starting with Claude Opus 5.5 for most coding and knowledge tasks, then moving to other models depending on the scope and complexity of the work. The guidance places Fable 5.2 and Mythos 5.2 among the company’s available options, with differences in use and access between them. Their launch coincided with intensifying competition in the sector, as OpenAI, Alphabet’s Google and Meta are rolling out new models at a rapid pace targeting coding, reasoning and AI agents, Reuters reported. The company did not name specific competitors in its announcement, but highlighted the models’ prices and speed as part of their launch specifications.
The proposed roadshow follows Anthropic’s announcement on Oct. 26 that it had filed an S-1 registration statement with the U.S. Securities and Exchange Commission. The company said in that announcement that it intends to list its Class A shares on the Nasdaq Global Select Market under the ticker ANT. But it said the number of shares offered and the price range had not yet been determined, meaning pricing details remain pending until they are announced. The Associated Press reported that estimates suggested the offering could raise as much as $100 billion, while the final valuation remains undetermined. The figure therefore remains an estimate attributed to reports, not a disclosed result or a final target confirmed by the company.
The company is seeking to show investors revenue growth at a time when its filings present a mixed picture of expanding sales and financing costs. Revenue reached $16.3 billion in the six months ended June 30, 2026, compared with $1.2 billion in the same period of 2025, according to the SEC registration statement. AP reported that revenue in the first nine months of 2026 reached $33.2 billion, up 13 times year over year. In the same period, the company posted a net loss of $104 billion, which included a $94 billion accounting adjustment related to financing agreements. The figures put business growth alongside the impact of financing-related accounting on the company’s results ahead of the offering.
IFR reported that the company plans to price the deal in the week after launching the roadshow, while no specific date has been confirmed for the start of stock trading. The report said revenue growth slowed in the third quarter compared with the second quarter, without providing the figures for the comparison between the two quarters here. In the market, some investors viewed the circulating $1.5 trillion valuation as being at the high end of expectations, Reuters reported. The agency linked their caution to a sharp decline in technology stocks and geopolitical uncertainty surrounding new offerings. The value of the offering and details of the shares on sale remain subject to what the company announces through the registration and pricing process.