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Anthropic's launch of Claude Fable 5 has included a bit of backlash as the company would downgrade to Opus 4.8 depending on the query such as cybersecurity and sensitive topics. In a post, Anthropic said it will visibly show the switch to Opus 4.8. That won't be enough to satisfy everyone, but at least it's more transparent.

The company said:

By default, automatic model switching is active in Claude, Claude Cowork, Claude Code, Claude Design, and Claude for Microsoft 365. In this case, Claude re-runs your blocked Claude Fable 5 request on Claude Opus 4.8 in the same conversation. You’ll see a notice explaining that the model switched, and the response will be labeled with the model that answered. Opus is a highly capable model with strong safeguards of its own, and for most otherwise legitimate requests blocked on Fable 5—including most biology questions—Opus should give you a helpful answer.

After the switch, the model picker stays on Opus for the rest of the conversation. You can switch back to Claude Fable 5 anytime from the model picker.

See: Anthropic’s Claude Fable 5, Mythos 5: What you need to know

GitLab launched a series of updates at its GitLab Transcend conference including a GitLab Flex plan, which is one annual contract that covers platform seats, GitLab Credits and new tools as they become available.

Additions include:

  • Next Generation Source Code Management, a service in private beta that replaces repository clones with API access to project intelligence to speed up AI agents.
  • GitLab Orbit, which is in public beta, a context graph for the software lifecycle designed to deliver 11x faster responses with 4.5x fewer tokens.
  • Governance for Agents, which is in private beta.

GitLab also announced a managed GitLab service on Google Cloud.

China has started operations of its underwater wind-powered data center. According to the Chinese government, the data center cost about $226 million and has 24 megawatts of power. The underwater data center was announced in October 2025.

The Guardian covered the launch of operations of the underwater data center, which is off of the coast of Shanghai. The demonstration project may lead to more underwater data centers powered mostly by renewable energy.