DeepSeek shipped V4-Flash-0731 last week — same 284B parameter architecture as the preview, same 13B activated parameters per token, MIT licensed, open weights on HuggingFace. No architecture changes. No bigger model.

Source: [Dev.to](https://dev.to/thegatewayguy/deepseeks-flash-outpaced-its-own-flagship-the-upgrade-was-post-training-not-parameters-333o)

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