OpenAI Reasoning Model Lead Max Schwarzer Joins Anthropic

KuCoinFlash

Release Time: 03/04/2026 01:01:10

Summary

On-chain news shared on X on March 4 reported that Max Schwarzer, lead of OpenAI’s reasoning model, has joined Anthropic. Schwarzer, a key figure behind the o1 and o3 models, previously oversaw the releases of GPT-5 and Codex. He will now focus on reinforcement learning at Anthropic. Crypto news outlets such as Blockbeats covered the move, emphasizing his transition from OpenAI.

BlockBeats news: On March 4, Max Schwarzer, core researcher on OpenAI's reasoning models, announced on X that he has left to join Anthropic.

It is reported that Schwarzer was one of the early contributors to the o1 reasoning model, led the post-training for both o1 and o3, and over the past year has headed the entire post-training team, delivering GPT-5, 5.1, 5.2, and 5.3-Codex.

Max said he will work on reinforcement learning research after joining Anthropic.

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