---
type: "Evidence Item"
title: "Expanding Project Glasswing"
description: "Project Glasswing is our collaborative effort to secure the world’s most important software. In early April, we announced that roughly 50 initial partners had access to Claude."
resource: "https://www.anthropic.com/news/expanding-project-glasswing"
tags: ["appendix-iii", "deployment", "anthropic"]
timestamp: "2026-06-02"
category: "deployment"
publisher: "Anthropic"
cope_score: 96
confidence: 0.88
---

# Expanding Project Glasswing

# Claim

Project Glasswing is our collaborative effort to secure the world’s most important software. In early April, we announced that roughly 50 initial partners had access to Claude Mythos Preview, and since then, they’ve been deploying the model to scan their codebases for vulnerabilities. We recently described how these partners have so far found more than.

# Relevance

Appendix III, section four: enterprise deployment evidence

# Oracle Verdict

Anthropic is describing a frontier or production capability that pushes directly on the thesis. The important signal is not the marketing language; it is the widening set of tasks now being routed through model-driven execution rather than ordinary software or headcount.

# Metadata

* Publisher: Anthropic
* Category: deployment
* Sector: Software engineering
* Capability: Frontier model release and benchmark movement
* Cope score: 96
* Confidence: 0.88

# Related Concepts

* [Live evidence index](index.md)
* [Thesis](../thesis.md)

# Citations

[1] [Expanding Project Glasswing](https://www.anthropic.com/news/expanding-project-glasswing)