According to a recent LinkedIn post from Together AI, the company is highlighting the availability of GLM-5.1, described as a post-training upgrade to the GLM-5 model developed by Z.ai and hosted on Together’s infrastructure. The post emphasizes enhanced coding capabilities, citing metrics such as 58.4% on SWE-Bench Pro and 42.7% on NL2Repo, alongside a 28% improvement over GLM-5.
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The LinkedIn post also points to improved support for long-horizon and agentic workflows, including sustained performance across many interaction rounds and tool calls, as well as features like thinking mode, tool calling, and structured JSON output. The model is presented as production-ready on Together’s AI Native Cloud, with references to a 99.9% SLA and options for serverless and dedicated infrastructure, which may signal continued investment in enterprise-grade reliability and could strengthen Together AI’s positioning with developers building large-scale AI applications.