AI news roundup: Claude Opus 4.7 leaks, new Anthropic app and Claude Code update

An AI news roundup groups several topics: an alleged Claude Opus 4.7 leak, a full-stack Anthropic application, a new GPT model and Claude Code updates. There is no verifiable content beyond the headline.
By Fathom Journal · June 27, 2026.
This RSS feed item corresponds to the automatic transcription of a video or podcast by creator Jauan Jennings, processed by Fathom Journal, a service for transcribing and summarizing meetings and videos. The full content of the article could not be retrieved —the URL points to a Fathom Journal page that requires access or is not publicly available— so there is no primary source (C) to work with.
The headline groups together several topics that would have been covered in the original video:
**Claude Opus 4.7 (alleged leak):** The title mentions a leak of Claude Opus 4.7, which would suggest that information about that model appeared before any official announcement from Anthropic. Without being able to access the actual content, it is not possible to confirm what was leaked, from which source, or what capabilities or benchmarks are mentioned. Any additional detail would be speculation.
**Anthropic Full Stack App:** Reference is made to a full-stack application related to Anthropic, possibly a development or demonstration tool built on the Claude API or Claude Code. Without further data, it is not possible to determine whether this is an official product, a third-party demo, or a reference to already-announced Claude Code features.
**New GPT model:** The headline mentions a new GPT model, presumably from OpenAI, although neither the name nor the features are specified. OpenAI has released frequent iterations in 2025 and 2026, so the reference could allude to any recent update, but there is no concrete data to pin it down.
**M2.7:** The mention of "M2.7" is not sufficiently clear in this context: it could refer to a model from some lab (for example, Mistral or another player), to an internal version, or to a benchmark. Without the video content, any interpretation would be conjecture.
**Claude Code Update:** Claude Code is Anthropic's agentic coding tool, available as a VS Code extension and on the command line, which allows Claude models to carry out programming tasks autonomously. An update to this tool would have direct relevance for developers who use it in agentic workflows.
**Limitations of this piece:** Since this is the transcription of an aggregated-news video —not an original investigative article— and since the actual content could not be retrieved, this summary is limited to what the headline describes. We recommend consulting the original Jauan Jennings video or primary sources from Anthropic and OpenAI to verify each of these points before taking them as valid.