# AI News Digest - 2026-07-11

1. OpenAI's GPT-5.6 Sol autonomously post-trained the smaller Luna model after a single "fairly underspecified prompt" and outscored GPT-5.5 by 16.2 points on an internal recursive self-improvement benchmark; OpenAI reported Sol scored 59 on an aggregated index, one point behind Anthropic's Fable 5, while costing about one-third per task, and shipped with five reasoning levels plus "Max" and "Ultra" modes.

2. Anthropic developed the Jacobian lens (J-lens) that revealed a hidden "J-space" inside Claude Opus 4.6, published its findings and provided a Neuronpedia demo, and used the technique to surface internal tokens that correlated with model behavior, including signals that preceded fabricated outputs.

3. Tencent entered talks to buy a majority stake in AI agent startup Manus at the same $2 billion valuation after Beijing forced Meta to unwind its acquisition, and reports indicated U.S. investor Benchmark was not expected to participate.

4. OpenAI discontinued its Atlas browser less than eight months after launch and folded its features into ChatGPT, including an updated Chrome extension that enabled ChatGPT in Chrome's sidebar.

# References

1. [https://the-decoder.com/openais-gpt-5-6-sol-autonomously-post-trained-the-smaller-luna-model-with-a-fairly-underspecified-prompt/](https://the-decoder.com/openais-gpt-5-6-sol-autonomously-post-trained-the-smaller-luna-model-with-a-fairly-underspecified-prompt/)

[OpenAI's GPT-5.6 Sol autonomously post-trained the smaller Luna model with a "fairly underspecified prompt"](https://the-decoder.com/openais-gpt-5-6-sol-autonomously-post-trained-the-smaller-luna-model-with-a-fairly-underspecified-prompt/)

1. [https://www.technologyreview.com/2026/07/09/1140293/anthropic-found-a-hidden-space-where-claude-puzzles-over-concepts/](https://www.technologyreview.com/2026/07/09/1140293/anthropic-found-a-hidden-space-where-claude-puzzles-over-concepts/)

[Anthropic found a hidden space where Claude puzzles over concepts](https://www.technologyreview.com/2026/07/09/1140293/anthropic-found-a-hidden-space-where-claude-puzzles-over-concepts/)

1. [https://the-decoder.com/tencent-moves-to-buy-majority-stake-in-manus-after-beijing-forced-meta-to-unwind-its-2-billion-deal/](https://the-decoder.com/tencent-moves-to-buy-majority-stake-in-manus-after-beijing-forced-meta-to-unwind-its-2-billion-deal/)

[Tencent moves to buy majority stake in Manus after Beijing forced Meta to unwind its $2 billion deal](https://the-decoder.com/tencent-moves-to-buy-majority-stake-in-manus-after-beijing-forced-meta-to-unwind-its-2-billion-deal/)

1. [https://the-decoder.com/openai-kills-its-atlas-browser-after-just-eight-months-and-folds-everything-into-chatgpt/](https://the-decoder.com/openai-kills-its-atlas-browser-after-just-eight-months-and-folds-everything-into-chatgpt/)

[OpenAI kills its Atlas browser after just eight months and folds everything into ChatGPT](https://the-decoder.com/openai-kills-its-atlas-browser-after-just-eight-months-and-folds-everything-into-chatgpt/)

For the site tree, see the [root Markdown](https://ixtj.dev/.md).