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Claude Haiku 5.5: Anthropic’s Small Model Gets Much Cheaper and Much Better at Using a Computer
Anthropic's Claude Haiku 5.5 costs around 75% less to run than Haiku 4.5, by Anthropic's estimate, and jumps from 15.7% to 72.4% on Anthropic's OSWorld 2.1 computer-use test. Sonnet 5.5 cache reads are also halved. What is confirmed, what is company benchmark, and who it is for.
GPT-6 Reaches Every ChatGPT Tier: Luna for Free Users, Sol for Paid
OpenAI is rolling GPT-6 into ChatGPT's Chat tab for every plan: GPT-6 Sol for paid tiers from 7 October, GPT-6 Luna for Free and Go from 8 October, plus "Intelligent UI" answers with charts, forms and mini tools. What changed, which Sol this is, and what OpenAI's own safety card flags.
LoGRA Explained: How NVIDIA Cuts RL Training Memory with Low-Rank Gradient Sketches
NVIDIA’s LoGRA paper shows low-rank gradient sketches cutting average RL training memory by up to 45.7% on tested Qwen reasoning setups—and making 27B RL runnable on one 8×H100 node where dense Adam OOMs. What the method is, what Table 1 shows, and what it does not prove.
RAG vs Jev+RAG Explained: What the Judgment Gate Adds
Avi Chawla’s 7 October explainer contrasts standard RAG with a Jev gate between retrieval and generation. What hybrid search already does, what typed probabilities add, why thresholds stay in code, and what this architecture does not replace.
Grok Bot Types Guide: How to Build and Staff Specialist Bots
Step-by-step how-tos for Personal Bots, Marketplace templates, Team vs Template choices, group-chat handoffs, skills and routines, and a newsroom Research→Writer→Reviewer pattern—plus the full Marketplace catalog with implementation ideas as of 7 October 2026.
Grok Bot’s Best-Backend Shift: Outcomes Over In-House-Only
Elon Musk says Grok Bot will use the best back-end model for each task—naming Claude Opus 5.5, MidJourney, Suno and other leading APIs. What he stated, what remains unconfirmed, and why routing details still matter.
South Korea’s bank hacks: possible AI use raises the stakes
South Korea’s president ordered a full response after customer data was exposed at seven financial firms, saying some cases showed possible AI use. Police have formed a 28-member investigation team.
Strong on Paper, Short on Access: What We Know About Google’s Gemini 4 Argon
Google says Gemini 4 Argon is its next frontier model, with record benchmark scores and a 1M-token output limit. Most people can't use it yet, and some Google staff, speaking anonymously, question its coding. Here's what's claimed and what's checked.
Nearly Astra, at a Fifth of the Price: What OpenAI’s GPT-6.1 Sol Means for Builders
OpenAI says GPT-6.1 Sol nearly matches GPT-6 Astra at about a fifth of the price. Here's what is on the official price list, what OpenAI's safety paperwork shows, and what is still only a claim.
Another Open Model, Not a New Leader: What Reflection’s Reported Release Would Change
If the Axios scoop is right, the open-weight field gets another entrant, and the top of the US market does not. Reflection has not confirmed it, and there is still nothing to download.
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