The day in AI
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Launches and products
16 Apr 2025OpenAIo3 and o4-mini o3 and o4-mini are trained to use tools agentically and to reason over images, setting records on Codeforces, SWE-bench and MMMU.16 Apr 2025OpenAICodex CLI Codex CLI, an open-source (Apache 2.0) terminal coding agent, gives OpenAI a Claude Code competitor.16 Apr 2025MicrosoftBitNet b1.58 2B4T First open native 1-bit LLM at scale, with 2B parameters trained on 4T tokens and matching similar-size full-precision open models, per the authors.