Z.ai unveils GLM-5.1, enabling AI coding agents to run autonomously for hours

Chinese AI company Z.ai has launched GLM-5.1, an open-source coding model it says is built for agentic software engineering. The release comes as AI vendors move beyond autocomplete-style coding tools toward systems that can handle software tasks over longer periods with less human input. Z.ai said GLM-5.1 can sustain performance over hundreds of iterations, an…

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OpenAI buys non-AI coding startup to help its AI to program

OpenAI on Thursday announced the acquisition of Astral, the developer of open source Python tools that include uv, Ruff and ty. It says that it plans to integrate them with Codex, its AI coding agent first released last year, as well as continuing to support the open source products. OpenAI stated in its announcement that…

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