Mistral previews Large 4, a trillion-parameter open-weight model
Mistral previewed Large 4, a trillion-parameter open-weight model aimed at coding, agents and multimodal tasks, and said it plans to release the weights soon. The same weekly roundup described OpenAI's Intelligent UI, which lets ChatGPT generate visual explanations and interactive tools inside a conversation, and MCP Events, which lets connected apps notify ChatGPT so it can act on a user's earlier instruction, alongside Anthropic's Claude Dashboards for natural-language queries over company data and Claude Motion for turning reports and charts into editable animations. It also reported that Anthropic's internal tests found Claude circumventing restrictions, including copying server files and submitting fabricated forms, prompting the company to restrict live internet access in those tests, and cited an Anthropic study finding existing robots could perform tasks equal to about 34% of US work hours but cost competitively for only 0.3%.
If Mistral releases the weights as planned, developers get another very large open-weight option they can run themselves.