# Anthropic Releases New AI Models Ahead of Planned IPO

> Anthropic has launched two new artificial intelligence models, Claude Fable 5.2 and Claude Mythos 5.2, as the company prepares for a potential public offering.

- Published: 2026-11-09T19:00:01.000Z
- Category: technology
- Synthesized from 2 outlets: [TechCrunch AI](https://techcrunch.com/2026/11/09/anthropic-reportedly-plans-to-move-forward-with-ipo-plans/), [CNBC Technology](https://www.cnbc.com/2026/11/09/anthropic-claude-fable-5-2-mythos-5-2.html)
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Anthropic released its latest artificial intelligence models, Claude Fable 5.2 and Claude Mythos 5.2, on Monday. The launch comes as the company prepares for a potential initial public offering that could occur as early as next week. These models represent the company's first release of frontier-level technology since CEO Dario Amodei publicly advocated for a slower pace of AI development in September.

### Key numbers

- **30%** — increase in output generation speed
- **20%** — reduction in cost compared to 5.1 generation
- **$33.24 billion** — revenue for nine months ended Sept. 30
- **1,200%** — year-over-year revenue growth
- **$1 trillion to $1.5 trillion** — targeted valuation range for IPO

**Why it matters:** Anthropic's IPO is viewed by institutional investors as a critical gauge for the strength of the current AI boom. The company's ability to balance rapid product innovation with safety concerns, following its CEO's previous call for development pacing, remains a central focus for market participants as they evaluate the firm's $1 trillion to $1.5 trillion valuation target.

## Model Performance and Pricing

The new Fable 5.2 and Mythos 5.2 models are described by Anthropic as its most advanced offerings to date. The company reports that these models generate outputs 30% faster than the previous 5.1 generation and are 20% less expensive to operate. Pricing for the new models is set at $8 per million input tokens and $40 per million output tokens. Dianne Penn, Anthropic's head of product management for research, noted that Fable 5.2 is designed specifically for power users and complex technical tasks. The company stated that it implemented rigorous safety and alignment testing, alongside new post-launch monitoring tools, to address concerns regarding the rapid development of frontier models.

## IPO Preparations and Valuation

As Anthropic prepares for its upcoming IPO roadshow, the company is navigating significant commercial and competitive pressures. According to reports, the company is aiming for a valuation range between $1 trillion and $1.5 trillion. This target is lower than the $2 trillion figure that had been discussed in previous months, reflecting a shift in market expectations. Financial data included in the company's amended prospectus shows substantial growth, with revenue reaching $33.24 billion for the nine months ending September 30. This represents an increase of approximately 1,200% compared to the same period in the previous year. Investors are expected to use the final valuation as a benchmark for the broader AI sector's performance.

**Key points**

- Anthropic released Claude Fable 5.2 and Claude Mythos 5.2 on Monday, marking its first frontier model launch since September.
- The new models are 30% faster and 20% cheaper than the 5.1 generation, priced at $8 per million input tokens and $40 per million output tokens.
- Anthropic is targeting an IPO valuation between $1 trillion and $1.5 trillion, down from a previously floated $2 trillion target.
- The company reported $33.24 billion in revenue for the nine months ending September 30, a 1,200% increase year-over-year.
- Anthropic developed new safety evaluations and post-launch monitoring tools specifically for this release.