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Open-Weight Models

337 summarised stories about Open-Weight Models, each linking back to the original source. Browse all topics →

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Friday, 25 September 2026

Aikido Security Releases Altar-1: An Open-Weight Security Model Pruned From GLM-5.3 to 328 GB

MarkTechPost 3 weeks ago 27

Aikido Security released Altar-1, an open-weight security model derived from Z.AI’s GLM-5.3 to run on customer-controlled infrastructure. It compresses GLM-5.3 from 1,506.7 GB in BF16 down to 328 GB and can run on a single vLLM node with 4x NVIDIA H200 GPUs. Deployment in closed or air-gapped networks becomes feasible by using public weights, with some fidelity and CVE-recall tradeoffs after expert pruning.

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AI Security Open-Weight Models Model Compression

Fastino Releases GLiNER2.5-Decide: A 340M Open-Weight Decision Model That Runs on CPU

MarkTechPost 3 weeks ago 40 ● 2 sources

Fastino Labs released GLiNER2.5-Decide, a non-generative decision model that takes text plus a typed question schema and outputs structured, probabilistic answers with constraint-feasibility metadata. It has 340M parameters and p50 CPU latency of 167.3 ms at batch 1 and 64 tokens on a 48-vCPU Intel Xeon Platinum 8581C. The model’s open weights (Apache 2.0) and CPU support let developers deploy schema-driven routing and guardrails locally or in air-gapped environments.

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AI Infrastructure Agentic AI Model Release Open-Weight Models

Black Forest Labs Releases FLUX 3 Action: A 7B Open-Weights World Action Model That Tops RoboLab-120

MarkTechPost 3 weeks ago 54

Black Forest Labs released FLUX 3 Action, a 7B open-weights world action model for robot control that predicts future video frames and the next action chunk from camera frames, robot state, and text instructions. It scored 42.92% task success on the RoboLab-120 leaderboard. The release adds deployable GPU-sized checkpoints (with specified memory/quantization options) plus training recipes, code integration for LeRobot, and a hybrid reasoner setup, shifting deployment options toward faster and smaller policy models.

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Model Release Robotics Open-Weight Models

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