Recent events
Recent events tied to this brand in public sources.
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2026
Zhipu confirms developing Ox Alpha open-source model
Zhipu confirmed that the anonymous open-source model Ox Alpha, which drew developer attention on OpenRouter, was developed by it and belongs to the latest GLM series. Zhipu said Ox Alpha will open its model weights on Wednesday, allowing developers to build on it; the model targets coding, continuous intelligent work and production-environment tasks, including long-term software engineering, complex reasoning and multimodal workflows combining text and visual context.
2026
Zhipu's next-generation GLM-5.4/5.5 large model to be released with trillion-parameter scale and long-horizon agent capabilities
Zhipu's next-generation large model, expected by industry observers to be named GLM-5.4 or GLM-5.5, is set for imminent release with a significant leap over the current version. Founder Tang Jie, in a public speech in Singapore, outlined three R&D priorities: scaling pre-training data to the trillions of tokens with parameters expected to exceed one trillion (versus the current 740 billion); deepening post-training across supervised fine-tuning, RLHF and verification-feedback reinforcement learning; and substantively advancing long-horizon reasoning and agent capabilities. GLM-5.4/5.5 will be the first to integrate partial recursive self-improvement (RSI) capability components, while the complete 'fully self-training' vision points to a future GLM-6 generation.
2026
Amazon Bedrock integrates Zhipu GLM-5.3 with revenue-sharing cooperation
On October 6, Amazon Web Services' large model platform Amazon Bedrock officially integrated Zhipu's GLM-5.3 model and announced it will share revenue with Zhipu based on model call volume. Zhipu has recently rolled out similar revenue-sharing cooperation models with multiple overseas cloud providers.
2026
Two U.S. House Committees investigate the impact of rising adoption of Chinese AI models
Two U.S. House Committees are investigating the impact of rising adoption of Chinese AI models, amid concerns in Washington about technology competition, security and Beijing's global influence. Chinese AI models from companies such as DeepSeek, Z.ai and Alibaba, which released new models with major performance gains, have grown to a majority share of token usage on developer platforms OpenRouter and Vercel in 2026. No date for the start of the investigation is given in the source.
2026
Z.ai disables AI coding assistant features after security issue
Chinese AI company Z.ai disabled features of its AI coding assistant following a security issue.
2026
Zhipu open-sources GLM-5.3 with commercial safety review threshold
Zhipu released the FP8 and BF16 weights of GLM-5.3 on Hugging Face. The model builds on GLM-5.2 with post-training improvements focused on complex coding, long-horizon tasks and vulnerability discovery, and its new license requires model-as-a-service providers with over $10 billion in combined 12-month revenue to pass a Zhipu security review before commercial use.
2026
Zhipu AI launches GLM-5.3 Flash lightweight flagship model
Zhipu AI officially launched GLM-5.3 Flash, a lightweight flagship model positioned against DeepSeek V4 Flash, featuring a 320B-parameter MoE architecture with 18B activated parameters, native multimodal input, and online inference served on a cluster of over 100,000 domestic chips.
2026
Zhipu releases and open-sources GLM-5.3-Flash multimodal model
On the evening of August 26, Zhipu launched and open-sourced GLM-5.3-Flash (320B-A18B), the first native multimodal model in the GLM-5 series, and said Ox Alpha, which recently topped the OpenRouter usage ranking, belongs to the new GLM series. The model set new call-volume highs on OpenCode and OpenRouter, with all request traffic supported by domestic chips.
2026
Z.AI releases GLM-5.3-Flash large language model
Z.AI confirmed that its model codenamed Ox Alpha is the newest iteration of its GLM series, officially named GLM-5.3-Flash, and announced it would release the model's weights, allowing external developers to access its core parameters. The model runs on China-developed AI chips and is positioned as competitive with DeepSeek's leading models.
2026
Z.ai launches GLM-5.3 model update
Z.ai, the international brand of Chinese AI company Zhipu, launched GLM-5.3, an update focused on coding, long-horizon tasks and cybersecurity. The model uses the same base model as GLM-5.2, with gains attributed to post-training. Z.ai said GLM-5.3 scored 50% higher than GLM-5.2 on its internal Z.ai Code Bench and reached leading open-source results on Terminal-Bench 3.0 and Agents' Last Exam, and said the model weights will be released two weeks after launch following additional safety evaluation.
2026
Zhipu officially releases GLM-5.3 model
Zhipu officially released GLM-5.3, an upgraded model over GLM-5.2 with improved post-training scaling. The company says it is the highest-ranked open-source model on several mainstream benchmarks, with coding and agent capabilities approaching Claude Fable 5. It is available on Zhipu's ZCode and AutoClaw tools and the GLM Coding Plan, with API access coming soon and full model weights to be open-sourced within two weeks.
2026
Zhipu launches GLM-5.3 flagship AI model
Chinese AI firm Zhipu, also known as Z.ai, unveiled its flagship GLM-5.3 model, saying it achieved an 84.5 per cent success rate on the CyberGym cybersecurity benchmark, above Anthropic's Mythos at 83.8 per cent and OpenAI's GPT-5.6 Sol at 83.6 per cent.
2021
Zhipu AI, MIIT Talent Exchange Center and CEC Cloud establish joint laboratory
Zhipu AI, the Ministry of Industry and Information Technology Talent Exchange Center and CEC Cloud announced that they would jointly establish a laboratory for intelligent analysis and evaluation of talent big data.