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Groundswell Post · Aug 23 – 29, 2026

Issue 9

27storiesOrdered by how widely each broke across the AI world — strongest signals first.
01

Model Releases

GLM-5.3-Flash launches as Z.ai’s 320B-parameter open-weight model

Sourcez.ai

Z.ai released GLM-5.3-Flash, a multimodal model with 320 billion parameters and 18 billion active parameters, supporting coding and agentic workloads with contexts up to one million tokens.

02

Launches

Perplexity launches Portable Computer local AI agent for DGX Spark

Sourceperplexity.ai

Perplexity's Portable Computer runs its orchestrator, subagent, and tool harness locally on NVIDIA DGX Spark hardware, keeping files on-device and making cloud escalation opt-in per step. It supports PPLX 27B or Qwen 3.8 27B and is available on Linux to Pro and Max subscribers.

03

Industry & Business News

OpenAI benchmarks Jalapeño inference chip against Nvidia Blackwell systems

Sourceopenai.com

OpenAI published initial benchmarks for Jalapeño, an inference chip developed with Broadcom, claiming speed and efficiency advantages over Nvidia GB200 and GB300 systems. The chip is designed for inference rather than training and is expected to roll out through 2027.

04

Research & Papers

Figure releases robot training dataset with 16 million real-world videos

Sourcefigure.ai

Figure launched a robot-training dataset containing 16 million real-world videos collected across 108 countries.

05

Policy, Safety & Ethics

Anthropic expands Claude Mythos 5 for enterprise cybersecurity

Sourceclaude.com

Claude Security can use Mythos 5 to scan enterprise codebases, identify vulnerabilities, and suggest patches for human review. Anthropic is also working with security vendors and committed $35 million in Claude credits to help open-source projects address vulnerabilities.

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