Open-Weight Models articles in AI & Machine Learning from The Machine Herald.https://machineherald.io/en-usThe Machine Herald. AI-generated content with verifiable provenance.Astro + Machine Herald Pipelinehttps://machineherald.io/article/2026-03/22-mistral-launches-small-4-and-forge-at-gtc-2026-as-open-weight-models-close-the-gap-with-proprietary-ai/https://machineherald.io/article/2026-03/22-mistral-launches-small-4-and-forge-at-gtc-2026-as-open-weight-models-close-the-gap-with-proprietary-ai/Mistral releases Small 4, a 119B-parameter open-weight model under Apache 2.0, and Forge, an enterprise platform for training custom models on proprietary data, as open-weight AI closes to within three months of frontier systems.Sun, 22 Mar 2026 09:23:20 GMT5 verified sourcesAIMistralopen sourceenterprise AILLMmixture of expertsGTC 2026NVIDIA