Daily AI Updates: November 19, 2025

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• xAI Grok 4.1 Fast release: Introduces a 2M‑token context window focused on tool‑calling performance. Leads agent search benchmarks, supports real‑time information retrieval, deep research, and enterprise workflows such as customer support, with notably faster reasoning.

• xAI Agent Tools API release: Provides a minimal‑code way to integrate Grok for autonomous web browsing, X post search, code execution, and document retrieval—targeted at agent development scenarios.

• xAI Agent Tools pricing: All tools are free for the next two weeks. Grok 4.1 Fast is available free via OpenRouter. API pricing is set at $0.2 per million input tokens and $0.5 per million output tokens.

• Google Gemini 3 updates: Adds a thinking_level parameter for task reasoning, introduces thought signatures for stateful tool use, and expands the context window to reduce drift on complex tasks—strengthening agent building.

• JetBrains Junie feature updates: Integrates the Gemini 3 Pro model, enabling prompt‑ and image‑conditioned code generation for more accurate AI‑assisted programming.

• Moonshot AI Kimi‑k2‑Thinking optimization: Achieves top performance on the latest AMO‑Bench (IMO‑level reasoning benchmark), with a focus on code generation and reasoning for complex programming tasks.

• OpenAI GPT‑5.1 Pro rollout: Rolling out to Pro users with clearer responses on complex work. Shows significant gains on benchmarks for writing assistance, data science, and business tasks.

• LMSYS Miles enterprise RL framework: Releases a production‑grade RL framework for large‑scale MoE training and deployment, with support for new hardware such as GB300—enhancing stability and scalability for coding‑agent training.

• ChatGPT for Teachers release: Designed for K‑12 educators as a secure workspace handling classroom materials and student information. Includes admin controls and FERPA compliance, and is free through June 2027.

• Stability AI × Warner Music collaboration: Partners to develop professional‑grade AI music creation tools using ethically trained models—supporting artist experimentation and production, protecting creator rights, and opening new revenue paths.