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DeepSeek shook the industry by matching frontier reasoning and coding performance at a fraction of the cost. The chat app is completely free, the API is famously cheap, and the weights are open — the default recommendation for capable AI on a zero budget.
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Open-weight bilingual Japanese–English models that punch above their size in Japanese.
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Japan's open LLM project — fully transparent models trained from scratch, Apache 2.0.
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One API that orchestrates a pool of frontier LLMs as a multi-agent system.
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