Deprecate: upstream weights removed by Microsoft (2026-06-30); 0.4.0-compiled artifact cannot be rebuilt
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README.md
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# FastContext-1.0-4B-SFT — Core AI (on-device, iPhone)
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[microsoft/FastContext-1.0-4B-SFT](https://huggingface.co/microsoft/FastContext-1.0-4B-SFT)
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> [!WARNING]
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> ## Deprecated (2026-07-21)
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> This port is retired. Two independent reasons:
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> 1. Microsoft removed the upstream model (`microsoft/FastContext-1.0-4B-SFT`) from
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> Hugging Face and GitHub on 2026-06-30 without explanation, so the original weights are
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> no longer available.
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> 2. The shipped `.aimodelc` here was compiled from a `coreai-torch` 0.4.0 conversion and
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> fails to load on iOS/macOS 27 beta 2+. Rebuilding it requires the original weights (see 1).
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> The repo is kept for reference. Every other model in the
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> [zoo](https://github.com/john-rocky/coreai-model-zoo) has been recovered.
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# FastContext-1.0-4B-SFT — Core AI (on-device, iPhone)
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[microsoft/FastContext-1.0-4B-SFT](https://huggingface.co/microsoft/FastContext-1.0-4B-SFT)
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