Latest explainers · 26

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Research
🎧№ 103
RESEARCH
Source · LangChain Blog⚑ Research

LangChain Tunes the Harness, Not the Model — Nemotron 3 Ultra Closes In on Opus 4.8 at 1/10 the Cost

Three levers — system prompt, tool descriptions, middleware — push the Deep Agents suite from a typical ~0.80 to 0.84, topping out at 0.86 against Opus's 0.87.

LangChainNemotron▶ Play07-09 · 9 min read
Free
Research
🎧№ 102
RESEARCH
Source · Lil'Log⚑ Research

AI Self-Improvement Starts Outside the Model: Lilian Weng on Harness Engineering

Former OpenAI safety lead surveys nearly 30 papers: from prompt tweaks to self-modifying code, DGM pushed coding ability from 20% to 50%.

Harness EngineeringRecursive Self-Improvement▶ Play07-09 · 13 min read
Free
Launch
№ 101
LAUNCH
Source · xAI⚑ Product

xAI Launches Grok 4.5: Rivals Opus 4.8, ~2x Faster Output at a Quarter of the Price

Ranks 3rd on DeepSWE, 4th overall — faster than Opus 4.8 and notably cheaper.

Grok 4.5xAI07-09 · 6 min read
Free
Launch
№ 100
LAUNCH
Source · OpenAI⚑ Product

OpenAI Ships GPT-Live: No More Taking Turns With AI — Hard Questions Auto-Route to GPT-5.5

The first truly full-duplex voice model launches today, and it can hand off complex tasks to GPT-5.5 in real time.

GPT-LiveChatGPT Voice07-09 · 6 min read
Free
Launch
№ 099
LAUNCH
Source · 字节跳动Seed⚑ Product

ByteDance Launches Seedream 5.0 Pro: One Image, a Dozen-Plus Independent Layers — Dense Charts and Real Scenes in a Single Generation

Adds click-and-circle point editing plus native rendering for a dozen-plus languages; now live on Volcano Engine, rolling out to Doubao and Jimeng next

Seedream 5.0 ProByteDance Seed07-08 · 6 min read
Free
Launch
🎧№ 098
LAUNCH
Source · GitHub / arXiv(HKUDS 官方仓库与论文)⚑ Research

HKUDS Open-Sources AI Tutor DeepTutor — 20K GitHub Stars in 111 Days

Paper shows a 10.8% gain in personalization and 29.4% in reasoning, fully open-source under Apache 2.0

DeepTutorHKUDS Open-Source Project▶ Play07-08 · 12 min read
Free
Deep Dive
🎧№ 097
DEEP DIVE
Source · ClaudeDevs(X)⚑ Expert view

Anthropic's Playbook: Fable 5 Advises, Sonnet 5 Foots the Bill

In advisor mode Fable 5 just gives advice; in orchestrator mode it delegates tasks — either way, the cheaper Sonnet 5 ends up doing most of the work

Fable 5Multi-Model Collaboration▶ Play07-08 · 6 min read
Free
Research
🎧№ 096
RESEARCH
Source · Liquid AI⚑ Research

Liquid AI's Antidoom Fixes Reasoning Models' Doom Loops With a Single Token — Now Open-Sourced

By fine-tuning only the single token where the doom loop begins, both models' loop rates drop to around 1%

Liquid AIReasoning Model Doom Loops▶ Play07-08 · 8 min read
Free
Launch
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LAUNCH
Source · Meta AI Blog⚑ Product

Meta's Muse Image Can Research and Self-Correct — Now Ranks #2 Worldwide

Sibling model Muse Video also debuts with native audio support built in, creator access coming soon.

MetaMuse Image07-08 · 7 min read
Free
Launch
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LAUNCH
Source · Cloudflare Blog⚑ Product

Cloudflare's New Gateway Lets AI Pay You Automatically to Crawl Your Site

Expanding from charging only AI crawlers to charging any caller, now in early access waitlist

Cloudflarex402 Protocol▶ Play07-07 · 6 min read
Free
Launch
№ 093
LAUNCH
Source · MarkTechPost⚑ Product update

OpenAI Ships GPT-Realtime-2.1 and GPT-Realtime-2.1-mini: Mini Model Gains Reasoning, Cuts Latency 25%

Before calling a tool, the model now says "let me check that" — so calls never go cold waiting

OpenAIRealtime API07-07 · 6 min read
Free
Business
№ 092
BUSINESS
Source · Anthropic 官网⚑ Company PR

Alberta, Canada Used Claude Code for a Security Audit — 466 Million Lines Scanned in 20 Hours, Down From 6.5 Years

50 autonomous agents worked in parallel across 27 provincial departments and 3,400 code repositories — even fixing vulnerabilities and rewriting legacy systems on their own.

Claude CodeCybersecurity07-07 · 5 min read
Free
Launch
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LAUNCH
Source · Cloudflare Blog⚑ Product update

Cloudflare Workers Cache: Every Worker Gets Built-In Caching, and Hits Cost Zero CPU

One line of Wrangler config plus standard HTTP cache headers — and caching can now sit between any two points inside a Worker.

Cloudflare WorkersEdge Caching07-07 · 7 min read
Free
Deep Dive
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DEEP DIVE
Source · Anthropic⚑ Company PR

The Untold Story of Claude Code: Boris Cherny's Two-Day Demo Now Writes 100% of His Code

16 insiders recount the journey from wrestling with diffs to a two-week sprint launch — and how engineers stopped writing code by hand

Claude CodeOral History07-07 · 13 min read
Free
Deep Dive
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DEEP DIVE
Source · AI Engineer 大会 / Anthropic⚑ Tutorial

Claude Fable 5 in Practice: 8 "Find the Unknown" Prompt Patterns, from Blind-Spot Scans to Post-Read Quizzes

Claude Code team's Thariq Shihipar at a conference talk: the bottleneck for new models is no longer the model itself, but whether you can articulate your own unknowns

Claude Fable 5Prompting Techniques07-07 · 11 min read
Free
Research
🎧№ 088
RESEARCH
Source · Anthropic⚑ Research

Anthropic Discovers a Brain-Like 'Inner Workspace' in Claude — It Evolved, Wasn't Designed

It makes up less than 10% of the model — remove it and Claude can still talk, but its reasoning collapses to zero. Anthropic is already using it to catch fabricated data and spot when Claude senses it's being tested.

Interpretability ResearchClaude▶ Play07-07 · 8 min read
Free
Research
🎧№ 087
RESEARCH
Source · iTextbooks'26 论文⚑ Research

Dartmouth Put AI Grading to the Test: Students Called It Rigid — But Users Scored Higher

In a 151-student trial, short-answer questions moved scores more than multiple choice, while almost no one touched the AI help sidebar

AI in EdTechFormative Assessment▶ Play07-06 · 8 min read
Free
Launch
🎧№ 086
LAUNCH
Source · Extelligence(Substack)⚑ Product

An AI Engineer Built His Nonverbal Autistic Son a Communication App — Speech Jumped 5x, and It Became a Real Business

No funding, no team — built purely to solve his own kid's problem. Clinics and schools started asking to use it anyway.

AAC CommunicationAutism Intervention▶ Play07-06 · 7 min read