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The day in AI
Wed 26 Mar 2025
Wednesday 26 March 2025
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Everything from this day
Launches and products
26 Mar 2025
Anthropic
MCP spec 2025-03-26
MCP revision 2025-03-26 adds an OAuth 2.1 authorization framework, replaces HTTP+SSE with Streamable HTTP, and adds batching and tool annotations.
Research
26 Mar 2025
Sea AI Lab / NUS
Understanding R1-Zero-Like Training (Dr. GRPO)
Finds GRPO's length normalisation inflates wrong-answer length, proposes Dr. GRPO, and shows base models already show 'aha' behaviour.