https://maple.ai/open-weightsA dated record of the laws, rules, licenses and official findings that decide how AI model weights are released, with one primary source per entry.en-usTue, 20 Oct 2026 00:00:00 GMThttps://maple.ai/open-weights#2026-10-20-dhs-deepseek-exclusion-orderhttps://maple.ai/open-weights#2026-10-20-dhs-deepseek-exclusion-orderTue, 20 Oct 2026 00:00:00 GMTLaws and billsNotice: DHS publishes an order excluding DeepSeek products from civilian procurement and requiring removal of DeepSeek products and third-party products developed using DeepSeek implementations. Source: https://www.federalregister.gov/d/2026-21447 https://maple.ai/open-weights#2026-08-14-bis-diffusion-rescission-agendahttps://maple.ai/open-weights#2026-08-14-bis-diffusion-rescission-agendaFri, 14 Aug 2026 00:00:00 GMTExport controlsNotice: The Unified Agenda says a planned interim final rule will formally rescind the January 2025 AI diffusion rule, which BIS has stopped enforcing. Source: https://www.govinfo.gov/content/pkg/FR-2026-08-14/html/2026-16603.htm https://maple.ai/open-weights#2026-07-27-ai-act-digital-omnibushttps://maple.ai/open-weights#2026-07-27-ai-act-digital-omnibusMon, 27 Jul 2026 00:00:00 GMTLaws and billsLaw: Regulation (EU) 2026/1744 sets high-risk AI Act dates of December 2, 2027 for Annex III and August 2, 2028 for Annex I. Source: https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=OJ:L_202601744 https://maple.ai/open-weights#2026-07-14-bis-advanced-computing-enforcementhttps://maple.ai/open-weights#2026-07-14-bis-advanced-computing-enforcementTue, 14 Jul 2026 00:00:00 GMTExport controlsRule: BIS states it is enforcing the worldwide advanced-computing license requirement only for specified country groups, citing its May 13, 2025 guidance. Source: https://www.govinfo.gov/content/pkg/FR-2026-07-14/html/2026-14132.htm https://maple.ai/open-weights#2026-05-31-bis-diffusion-enforcement-guidancehttps://maple.ai/open-weights#2026-05-31-bis-diffusion-enforcement-guidanceSun, 31 May 2026 00:00:00 GMTExport controlsGuidance: BIS says its non-enforcement of the AI Diffusion Rule's new requirements does not cover exports for D:5 or Macau-headquartered entities. Source: https://www.bis.gov/media/documents/bis-guidance-may-31-2026.pdf https://maple.ai/open-weights#2026-05-01-caisi-deepseek-v4-prohttps://maple.ai/open-weights#2026-05-01-caisi-deepseek-v4-proFri, 01 May 2026 00:00:00 GMTSafety findingsEvaluation: CAISI evaluates the open-weight model DeepSeek V4 Pro and states its capabilities lag the frontier by about 8 months. Source: https://www.nist.gov/news-events/news/2026/05/caisi-evaluation-deepseek-v4-pro https://maple.ai/open-weights#2026-04-02-gemma-4-apachehttps://maple.ai/open-weights#2026-04-02-gemma-4-apacheThu, 02 Apr 2026 00:00:00 GMTReleases and licensesRelease: Gemma 4 model weights under the Apache 2.0 license, in E2B, E4B, 26B MoE, and 31B sizes. Source: https://blog.google/innovation-and-ai/technology/developers-tools/gemma-4/ https://maple.ai/open-weights#2026-03-27-new-york-raise-chapter-amendmenthttps://maple.ai/open-weights#2026-03-27-new-york-raise-chapter-amendmentFri, 27 Mar 2026 00:00:00 GMTLaws and billsLaw signed: Senate Bill S8828, chapter 96, repeals and replaces the RAISE Act text and defines frontier model and model weight. Source: https://www.nysenate.gov/legislation/bills/2025/S8828 https://maple.ai/open-weights#2025-12-19-new-york-raise-act-signedhttps://maple.ai/open-weights#2025-12-19-new-york-raise-act-signedFri, 19 Dec 2025 00:00:00 GMTLaws and billsLaw signed: Governor Hochul signed the RAISE Act, S6953B/A6453B, with agreed chapter amendments requiring large frontier developers to publish safety protocols. Source: https://www.governor.ny.gov/news/governor-hochul-signs-nation-leading-legislation-require-ai-frameworks-ai-frontier-models https://maple.ai/open-weights#2025-12-18-aisi-frontier-ai-trendshttps://maple.ai/open-weights#2025-12-18-aisi-frontier-ai-trendsThu, 18 Dec 2025 00:00:00 GMTSafety findingsEvaluation: The AI Security Institute's Frontier AI Trends Report gives findings on safeguards for open-weight systems, whose weights are directly accessible. Source: https://www.aisi.gov.uk/frontier-ai-trends-report https://maple.ai/open-weights#2025-12-12-caisi-kimi-k2-thinkinghttps://maple.ai/open-weights#2025-12-12-caisi-kimi-k2-thinkingFri, 12 Dec 2025 00:00:00 GMTSafety findingsEvaluation: CAISI evaluates Kimi K2 Thinking, which it calls an open-weight model released November 6, 2025, and compares it with U.S. models. Source: https://www.nist.gov/news-events/news/2025/12/caisi-evaluation-kimi-k2-thinking https://maple.ai/open-weights#2025-12-05-gpai-training-summary-templatehttps://maple.ai/open-weights#2025-12-05-gpai-training-summary-templateFri, 05 Dec 2025 00:00:00 GMTReports and plansCommunication: The Commission’s December 5, 2025 communication sets out an explanatory notice and template for public summaries of general-purpose AI model training content. Source: https://ec.europa.eu/newsroom/dae/redirection/document/118480 https://maple.ai/open-weights#2025-11-19-gpai-provider-guidelineshttps://maple.ai/open-weights#2025-11-19-gpai-provider-guidelinesWed, 19 Nov 2025 00:00:00 GMTReports and plansReport: The Commission’s guidelines for general-purpose AI model providers, C(2025) 7719 final, dated November 19, 2025, include an exception for models released under a free and open-source license. Source: https://ec.europa.eu/newsroom/dae/redirection/document/118340 https://maple.ai/open-weights#2025-10-29-gpt-oss-safeguardhttps://maple.ai/open-weights#2025-10-29-gpt-oss-safeguardWed, 29 Oct 2025 00:00:00 GMTReleases and licensesRelease: gpt-oss-safeguard-120b and gpt-oss-safeguard-20b weights under the same Apache 2.0 license as gpt-oss. Source: https://openai.com/index/introducing-gpt-oss-safeguard/ https://maple.ai/open-weights#2025-09-30-caisi-deepseek-evaluationhttps://maple.ai/open-weights#2025-09-30-caisi-deepseek-evaluationTue, 30 Sep 2025 00:00:00 GMTSafety findingsEvaluation: CAISI reports on DeepSeek models it describes as open-weight, including jailbreaking results and a comparison with U.S. models. Source: https://www.nist.gov/system/files/documents/2025/09/30/CAISI_Evaluation_of_DeepSeek_AI_Models.pdf https://maple.ai/open-weights#2025-09-29-california-sb-53-chapteredhttps://maple.ai/open-weights#2025-09-29-california-sb-53-chapteredMon, 29 Sep 2025 00:00:00 GMTLaws and billsLaw signed: Senate Bill 53 was approved and chaptered as Chapter 138, the Transparency in Frontier Artificial Intelligence Act. Source: https://leginfo.legislature.ca.gov/faces/codes_displayText.xhtml?lawCode=BPC&division=8.&chapter=25.1. https://maple.ai/open-weights#2025-08-26-china-ai-plus-open-sourcehttps://maple.ai/open-weights#2025-08-26-china-ai-plus-open-sourceTue, 26 Aug 2025 00:00:00 GMTReports and plansPlan: The State Council issues an opinion that supports AI open-source communities and opening models, tools, and datasets. Source: https://www.gov.cn/zhengce/content/202508/content_7037861.htm https://maple.ai/open-weights#2025-08-05-gpt-osshttps://maple.ai/open-weights#2025-08-05-gpt-ossTue, 05 Aug 2025 00:00:00 GMTReleases and licensesRelease: gpt-oss-120b and gpt-oss-20b weights under the Apache 2.0 license, described as open-weight language models. Source: https://openai.com/index/introducing-gpt-oss/ https://maple.ai/open-weights#2025-07-23-ai-action-plan-open-modelshttps://maple.ai/open-weights#2025-07-23-ai-action-plan-open-modelsWed, 23 Jul 2025 00:00:00 GMTReports and plansPlan: The AI Action Plan says open-source and open-weight models can be downloaded and modified, and that a release decision is up to the developer. Source: https://www.whitehouse.gov/wp-content/uploads/2025/07/Americas-AI-Action-Plan.pdf https://maple.ai/open-weights#2025-07-10-gpai-code-of-practicehttps://maple.ai/open-weights#2025-07-10-gpai-code-of-practiceThu, 10 Jul 2025 00:00:00 GMTReports and plansReport: The Commission publishes a voluntary code of practice for providers of general-purpose AI models under the AI Act. Source: https://digital-strategy.ec.europa.eu/en/policies/contents-code-gpai https://maple.ai/open-weights#2025-05-13-bis-diffusion-rule-nonenforcementhttps://maple.ai/open-weights#2025-05-13-bis-diffusion-rule-nonenforcementTue, 13 May 2025 00:00:00 GMTExport controlsAnnouncement: Commerce instructs staff not to enforce the AI Diffusion Rule and says BIS plans a regulation formalizing rescission. Source: https://www.bis.gov/press-release/department-commerce-announces-rescission-biden-era-artificial-intelligence-diffusion-rule-strengthens https://maple.ai/open-weights#2025-04-29-qwen3https://maple.ai/open-weights#2025-04-29-qwen3Tue, 29 Apr 2025 00:00:00 GMTReleases and licensesRelease: Qwen3 MoE and dense model weights under the Apache 2.0 license, including Qwen3-235B-A22B. Source: https://qwenlm.github.io/blog/qwen3/ https://maple.ai/open-weights#2025-04-05-llama-4https://maple.ai/open-weights#2025-04-05-llama-4Sat, 05 Apr 2025 00:00:00 GMTReleases and licensesRelease: Llama 4 Scout and Maverick weights for download; the same post says it is not yet releasing Llama 4 Behemoth. Source: https://ai.meta.com/blog/llama-4-multimodal-intelligence/ https://maple.ai/open-weights#2025-03-14-china-ai-content-labelshttps://maple.ai/open-weights#2025-03-14-china-ai-content-labelsFri, 14 Mar 2025 00:00:00 GMTLaws and billsRule: Four Chinese agencies issue measures on labels for AI-generated synthetic content, effective September 1, 2025. Source: https://www.cac.gov.cn/2025-03/14/c_1743654684782215.htm https://maple.ai/open-weights#2025-02-12-france-india-open-modelshttps://maple.ai/open-weights#2025-02-12-france-india-open-modelsWed, 12 Feb 2025 00:00:00 GMTReports and plansStatement: France and India say they will pursue research on large language models that are open and freely reusable. Source: https://www.elysee.fr/emmanuel-macron/2025/02/12/declaration-franco-indienne-sur-lintelligence-artificielle https://maple.ai/open-weights#2025-02-06-ostp-ai-action-plan-rfihttps://maple.ai/open-weights#2025-02-06-ostp-ai-action-plan-rfiThu, 06 Feb 2025 00:00:00 GMTReports and plansRequest for information: On behalf of OSTP, NITRD asks for AI Action Plan comments and lists open source development among the topics. Source: https://www.govinfo.gov/content/pkg/FR-2025-02-06/html/2025-02305.htm https://maple.ai/open-weights#2025-01-20-deepseek-r1-mithttps://maple.ai/open-weights#2025-01-20-deepseek-r1-mitMon, 20 Jan 2025 00:00:00 GMTReleases and licensesLicense change: DeepSeek-R1 code and models are released under the MIT License. Source: https://api-docs.deepseek.com/news/news250120/ https://maple.ai/open-weights#2025-01-15-bis-eccn-4e091-diffusion-rulehttps://maple.ai/open-weights#2025-01-15-bis-eccn-4e091-diffusion-ruleWed, 15 Jan 2025 00:00:00 GMTExport controlsRule: BIS adds ECCN 4E091 for certain closed-weight model weights and states it is not imposing controls on open-weight models. Source: https://www.govinfo.gov/content/pkg/FR-2025-01-15/html/2025-00636.htm https://maple.ai/open-weights#2024-12-25-deepseek-v3https://maple.ai/open-weights#2024-12-25-deepseek-v3Thu, 26 Dec 2024 00:00:00 GMTReleases and licensesRelease: DeepSeek-V3 weights in the Hugging Face repository under the DeepSeek License Agreement, Version 1.0, dated October 23, 2023. Source: https://api-docs.deepseek.com/news/news1226/ https://maple.ai/open-weights#2024-12-17-model-openness-frameworkhttps://maple.ai/open-weights#2024-12-17-model-openness-frameworkTue, 17 Dec 2024 00:00:00 GMTDefinitions and standardsDefinition: Model Openness Framework 1.0 defines Class I, Class II, and Class III, and defines an open license. Source: https://lfaidata.foundation/wp-content/uploads/sites/3/2025/01/05_White_paper_MOF_Specification.pdf https://maple.ai/open-weights#2024-12-06-llama-3-3https://maple.ai/open-weights#2024-12-06-llama-3-3Fri, 06 Dec 2024 00:00:00 GMTReleases and licensesRelease: Llama 3.3 weights under the Llama 3.3 Community License Agreement, which includes a 700 million monthly active user clause. Source: https://github.com/meta-llama/llama-models/blob/main/models/llama3_3/LICENSE https://maple.ai/open-weights#2024-10-28-osi-open-source-ai-definitionhttps://maple.ai/open-weights#2024-10-28-osi-open-source-ai-definitionMon, 28 Oct 2024 00:00:00 GMTDefinitions and standardsDefinition: The Open Source AI Definition 1.0 requires parameters under OSI-approved terms, plus data information and code. Source: https://opensource.org/ai/open-source-ai-definition https://maple.ai/open-weights#2024-09-29-california-sb-1047-vetohttps://maple.ai/open-weights#2024-09-29-california-sb-1047-vetoSun, 29 Sep 2024 00:00:00 GMTLaws and billsVeto: Governor Newsom returned Senate Bill 1047 unsigned, a bill on safeguards for developers of large artificial intelligence models and a Board of Frontier Models. Source: https://www.gov.ca.gov/wp-content/uploads/2024/09/SB-1047-Veto-Message.pdf https://maple.ai/open-weights#2024-09-25-llama-3-2https://maple.ai/open-weights#2024-09-25-llama-3-2Wed, 25 Sep 2024 00:00:00 GMTReleases and licensesRelease: Llama 3.2 weights under the Llama 3.2 Community License Agreement, which includes a 700 million monthly active user clause. Source: https://github.com/meta-llama/llama-models/blob/main/models/llama3_2/LICENSE https://maple.ai/open-weights#2024-07-30-ntia-open-model-weights-reporthttps://maple.ai/open-weights#2024-07-30-ntia-open-model-weights-reportTue, 30 Jul 2024 00:00:00 GMTReports and plansReport: NTIA states that current evidence is not sufficient to determine that restrictions on open weight models are warranted, or that they never will be. Source: https://www.ntia.gov/issues/artificial-intelligence/open-model-weights-report https://maple.ai/open-weights#2024-07-23-llama-3-1-license-changehttps://maple.ai/open-weights#2024-07-23-llama-3-1-license-changeTue, 23 Jul 2024 00:00:00 GMTReleases and licensesLicense change: Llama 3.1 weights for download; the license allows Llama outputs, including the 405B, to be used to improve other models. Source: https://ai.meta.com/blog/meta-llama-3-1/ https://maple.ai/open-weights#2024-07-12-eu-ai-act-publishedhttps://maple.ai/open-weights#2024-07-12-eu-ai-act-publishedFri, 12 Jul 2024 00:00:00 GMTLaws and billsLaw: Regulation (EU) 2024/1689 is published in the Official Journal, including rules on AI systems released under free and open-source licenses. Source: https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:32024R1689 https://maple.ai/open-weights#2024-06-07-qwen2-license-splithttps://maple.ai/open-weights#2024-06-07-qwen2-license-splitFri, 07 Jun 2024 00:00:00 GMTReleases and licensesLicense change: Qwen2-72B remains under the Qianwen License, and Qwen2-0.5B, 1.5B, 7B, and 57B-A14B move to Apache 2.0. Source: https://qwenlm.github.io/blog/qwen2/ https://maple.ai/open-weights#2024-05-29-mistral-mnplhttps://maple.ai/open-weights#2024-05-29-mistral-mnplWed, 29 May 2024 00:00:00 GMTReleases and licensesRelease: Codestral under the Mistral AI Non-Production License for non-production use, with Apache 2.0 releases continuing. Source: https://mistral.ai/news/mistral-ai-non-production-license-mnpl/ https://maple.ai/open-weights#2024-04-18-llama-3https://maple.ai/open-weights#2024-04-18-llama-3Thu, 18 Apr 2024 00:00:00 GMTReleases and licensesRelease: Llama 3 weights under the Meta Llama 3 Community License Agreement, including a 700 million monthly active user clause. Source: https://ai.meta.com/blog/meta-llama-3/ https://maple.ai/open-weights#2024-02-26-ntia-widely-available-weights-rfchttps://maple.ai/open-weights#2024-02-26-ntia-widely-available-weights-rfcMon, 26 Feb 2024 00:00:00 GMTReports and plansRequest for comment: NTIA asks how to define widely available model weights, which the notice calls open foundation models, and what rules might apply. Source: https://www.govinfo.gov/content/pkg/FR-2024-02-26/html/2024-03763.htm https://maple.ai/open-weights#2024-02-21-gemmahttps://maple.ai/open-weights#2024-02-21-gemmaWed, 21 Feb 2024 00:00:00 GMTReleases and licensesRelease: Gemma 2B and Gemma 7B model weights, with terms the post says permit commercial usage and distribution for all organizations. Source: https://blog.google/innovation-and-ai/technology/developers-tools/gemma-open-models/ https://maple.ai/open-weights#2023-10-30-eo-14110-widely-available-weightshttps://maple.ai/open-weights#2023-10-30-eo-14110-widely-available-weightsMon, 30 Oct 2023 00:00:00 GMTLaws and billsOrder: Section 4.6 directs Commerce, through NTIA, to seek comment and report on dual-use foundation models whose model weights are widely available. Source: https://www.govinfo.gov/content/pkg/FR-2023-11-01/html/2023-24283.htm https://maple.ai/open-weights#2023-10-25-uk-open-source-generative-aihttps://maple.ai/open-weights#2023-10-25-uk-open-source-generative-aiWed, 25 Oct 2023 00:00:00 GMTSafety findingsReport: A DSIT discussion paper for the 2023 AI Safety Summit describes open-source generative AI and access to model development. Source: https://assets.publishing.service.gov.uk/media/653932db80884d0013f71b15/generative-ai-safety-security-risks-2025-annex-b.pdf https://maple.ai/open-weights#2023-09-27-mistral-7bhttps://maple.ai/open-weights#2023-09-27-mistral-7bWed, 27 Sep 2023 00:00:00 GMTReleases and licensesRelease: Mistral 7B under the Apache 2.0 license, which the post says can be used without restrictions. Source: https://mistral.ai/news/announcing-mistral-7b https://maple.ai/open-weights#2023-08-03-qwen-tongyi-licensehttps://maple.ai/open-weights#2023-08-03-qwen-tongyi-licenseThu, 03 Aug 2023 00:00:00 GMTReleases and licensesRelease: Tongyi Qianwen materials, including trained model weights, under a license with a 100 million monthly active user clause. Source: https://huggingface.co/Qwen/Qwen-7B/blob/main/LICENSE https://maple.ai/open-weights#2023-07-18-llama-2https://maple.ai/open-weights#2023-07-18-llama-2Tue, 18 Jul 2023 00:00:00 GMTReleases and licensesRelease: Llama 2 weights for research and commercial use under the Llama 2 Community License Agreement, which includes a 700 million monthly active user clause. Source: https://ai.meta.com/blog/llama-2/ https://maple.ai/open-weights#2023-07-13-china-generative-ai-measureshttps://maple.ai/open-weights#2023-07-13-china-generative-ai-measuresThu, 13 Jul 2023 00:00:00 GMTLaws and billsRule: Seven Chinese agencies publish interim measures for generative AI services offered to the public in China, effective August 15, 2023. Source: https://www.cac.gov.cn/2023-07/13/c_1690898327029107.htm