Today in AI ·

Arena #AIEvaluation #AISafety #Funding

Arena raises $200 million and previews an agent alignment index

Arena announced a $200 million Series B at a $3.1 billion valuation, co-led by Lightspeed and Khosla Ventures. Its new Alignment Index preview examines unauthorized actions, false attribution and deceptive completion in real agent sessions, extending evaluation beyond task performance.

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Odyssey #WorldModels #PhysicalAI #Research

Odyssey launches Odyssey-3 world-model research preview

Odyssey released a research preview of Odyssey-3, a world model that predicts physical dynamics and supports simulation and policy training. The company reports new Physics-IQ Verified results for its Pro model and leading results in three WorldMark categories in its own evaluations.

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LightOn #OpenSource #DocumentAI #OCR

LightOn releases OCR models with layout and chart extraction

LightOn released LightOnOCR-3 in three sizes under Apache 2.0, combining transcription with document-region coordinates, image descriptions and chart data extraction. The release gives developers a single-model option for document pipelines that otherwise require several processing stages.

Read at LightOn
Hugging Face #AIResearch #Genomics #OpenScience

Hugging Face releases Carbon-A for genome annotation

HuggingFaceBio released Carbon-A, a 1.2-billion-parameter model that predicts protein-coding regions from DNA, alongside a large annotation database. Initial lab work supports some predicted transcript structures, but protein production and function still require validation.

Read at Hugging Face
Ai2 #AIInfrastructure #GPUs #Research

Ai2 shares a budget-based approach to GPU scheduling

Ai2 described replacing its priority-based GPU scheduler with GPU-time budgets, hierarchical fair-share allocation and a time-slicing contract. The approach aims to direct scarce compute toward valuable research while keeping shared clusters occupied.

Read at Ai2
HousingWire #Funding #Agents #Fintech

Vesta raises $30 million to expand AI mortgage workflows

Vesta raised a $30 million Series B led by Conversion Capital, with lender customers among its investors. It plans to expand a loan-origination platform where AI agents review documents and validate data, recording decisions and escalating cases that need human review.

Read at HousingWire

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60-second Shorts and long-form deep dives on how real AI systems are built, how they break, and how to fix them: caching, RAG, agents, security and decision models.

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  1. 1 Foundations Edge & Caching Why far servers feel fast, where edge rendering backfires, and how one cache expiry can take down an AI app. 2 episodes · 2 coming 0 of 2 done
  2. 2 Core Decision Models When a typed decision beats generated text, and how to route between a decision model and an LLM. 3 episodes · 1 coming 0 of 3 done
  3. 3 Advanced Agents in Production Context, memory, cost guardrails and the workspace an autonomous coding agent needs. 8 episodes · 5 coming 0 of 8 done
  4. 4 Hands-on Hands-On: Coding Agents from Your Phone Step-by-step tutorials: build and ship real apps from the Claude app, with the prompts and the code for every step. 3 episodes · 2 coming 0 of 3 done
  5. 5 Advanced AI Security Stolen tokens, poisoned tools and the other ways an AI system gets turned against its users. 5 episodes · 2 coming 0 of 5 done

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