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Open models: Hot or Not with Nathan Lambert & Florian Brand

A recording from Nathan Lambert's live video

Nathan sits down with Florian, our open model analyst to get spicy into debates of which labs won and lost momentum in open models of 2025. Reflection 70B, Huawei repackaging someone else's model as their own, the fall of Llama — no drama is left unturned. We also dig into the nuances that we didn't get to in our post, predict GPT-OSS 2, the American v. China balance at the end of 2026, and many other fun topics.

Enjoy & let us know if we should do more of this.

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For the full year in review post, and to see our tier list, click here:

2025 Open Models Year in Review

2025 Open Models Year in Review

Welcome to the first Artifacts Recap, where we highlight the most notable and impactful open model releases of this year. And what a year it has been! Starting into the year, the open model landscape was seen as lagging behind severely, with open models being mostly a choice for those who needed privacy or wanted to fine-tune models for their use cases.

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