# Stocks of software companies in the US took a hit after Anthropic held back on a large-scale release of its new and powerful AI model 'Claude Myth.

*genai · news · 2026-04-09 · NDTV Profit*

## Key points

- Anthropic delayed the broad release of its Claude Mythos AI model due to cybersecurity concerns.
- Only about 40 companies, including Microsoft and Google, were granted access to Claude Mythos.
- Cloudflare Inc.'s stock dropped nearly 12% following Anthropic's restricted AI model release.
- Zscaler and Palantir Technologies stocks also fell sharply, down 9.19% and over 6% respectively.

**Companies:** Microsoft, Google, Cloudflare Inc., Zscaler, Palantir Technologies Inc.
**Countries:** United States

[Read the full story on NDTV Profit](https://www.ndtvprofit.com/markets/mythos-disruption-cloudflare-palantir-lead-up-to12-software-rout-as-anthropic-shifts-ai-stakes-11335453)

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