DeepSeek R1
China breakthrough open-source AI that stunned the industry with frontier-level performance at a fraction of the cost. DeepSeek-R1 matches GPT-4 on reasoning benchmarks while being freely downloadable and self-hostable. Sparked a global AI cost rethink in early 2025.
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Free tier available with optional paid upgrades for more features.
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Best if you've used AI tools before and want more power.
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