TLDRocket
Sign in

Multiple AI companies release new model variants and agent systems in March 2026

Model release Provisional 60% confidence first seen

Several major AI developments occurred in March 2026 across multiple companies. OpenAI released GPT-5.4 mini and nano models with expanded context windows, Mistral open-sourced its Small 4 model family, and companies including Meta, Nvidia, Google, and Cohere released new models and agent systems with various performance improvements.

GPT-5.4 mini GPT-5.4 nano OpenAI ByteDance Cohere Cohere Transcribe Gemini 3.1 Flash Live Google Mamba-3 Meta Microsoft Mistral Mistral Small 4 NVIDIA SAM 3.1 Voxtral

Source coverage

LWiAI Podcast #238 - GPT 5.4 mini, OpenAI Pivot, Mamba 3, Attention Residuals Last Week in AI Deep Learning Weekly: Issue 449 Deep Learning Weekly

The daily briefing

Every AI story that matters, in your inbox by 8am.

TLDRocket reads all relevant sources, removes duplicate coverage, and summarises the day in two minutes. Follow companies and topics for alerts, or get the briefing in Slack. Free, no spam, unsubscribe anytime.