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Something worth paying attention to in the Fable 5 launch that I think will get buried under benchmark comparisons. The most consequential line in the AWS announcement wasn’t about context windows or coding performance, it was tucked into the infrastructure section: “Once you opt into data retention, your data will leave AWS’s data and security boundary.” That’s not a model feature, that’s an enterprise architecture constraint. For a lot of companies that sentence alone disqualifies Fable 5 from touching certain workloads no matter how good the model is. The Fable vs Mythos split is also worth sitting with. Same underlying capability apparently, but Mythos is gated behind Project Glasswing and vetted partners only. Anthropic is essentially saying some capability is too sensitive for flat API access, which is a pretty different philosophy than “here’s our best model, go build.” Does the Fable/Mythos split read as responsible deployment to people here or more like managed scarcity? And anyone in enterprise AI already hitting the retention requirement as an actual blocker? submitted by /u/Old_Cap4710 [link] [留言]

Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is...

It kinda creeps me out. Firstly it started from like on chinese word in my chatgpt, now it's fully in chinese? submitted by /u/Oldrus [link] [留言]

I do AI research and keep juggling tabs: new ones on arXiv, trending ones on Hugging Face, famous ones somewhere else again. https://preview.redd.it/cg32bshjqd6h1.png?width=1919&format=png&auto=webp&s=00055bb8af699061be0bdcff59f2cb8fa9ab38b6 So I built one site that brings them all together. Pick a paper, read it right there, star the ones you want for later, and it remembers where you stopped reading, even if you switch from laptop to phone. Live: https://ppdeck.com Demo: https://youtu.be/vtyx34JvxX0 It's free and open source - a star on GitHub would mean a lot ⭐ https://github.com/khuynh22/paper-deck submitted by /u/NeitherRun3631 [link] [留言]

hey everyone, sharing something i think will be genuinely useful for anyone building with AI agents. most agent failures aren't caused by the model — they're caused by poor evaluation. agents that work in demos but fail in production, tool calling workflows that silently break, prompt updates that introduce regressions. teams discover these problems only after deployment when it's already too late. we're hosting the Agent Evals Bootcamp on June 27 with Ammar Mohanna, PhD, an AI engineer, researcher and expert in production AI and agent evaluation. 5 hours live, hands on throughout. you work through real evaluation scenarios across 4 layers — component evaluation, trajectory evaluation, outcome evaluation and adversarial evaluation. what every attendee gets: practical evaluation framework you can apply immediately 6 months access to an AI Evals assistant hands on exercises and implementation templates capstone project completed on the day Packt endorsed certification for your LinkedIn link in first comment submitted by /u/Plenty-Pie-9084 [link] [留言]

I own an unblocked games website that I started roughly 2 years ago at https://boredom arcade.xyz and it's reached over 75000 daily active users. I run ads with Google adsense, but since the website has so many mirror domains I struggle to make the money that I should. I have looked into other advertising networks that allow for mirror domains such as adsterra but they offer low quality ads which isn't what I want. Does anyone know how I could make more money from my website? It currently only pulls in about 250 ish a month from the few domains I have monetized on adsense. submitted by /u/Recent-Background-61 [link] [留言]

Note: This is an English digest of the original Zenn post (Japanese) . Read there for the full timeline and commit-level trace. TL;DR We ship tasteck , a B2B SaaS for the Japanese night-leisure industry (dispatch + cast shift management). 8 years of operational data, ~100 venues live. Two days after the MCP design post , ChatGPT Plus can call our tools live: "Who's available tonight?" → MCP list_available_drivers → JSON → natural-language reply. Estimated B2 OAuth sprint = 2 weeks (6/16–7/1). Actual = 1 day , by reading the spec carefully before touching code. We hit 12 distinct traps between "OAuth issuance works" and "ChatGPT actually invokes the tool." The QA logs caught every one. What we shipped 3 read tools (B1): list_available_drivers — drivers free tonight list_cast_shifts — today's cast shift roster list_assignable_casts — joined resolution: roster ∧ stage-name set ∧ shop match Natural-language date helper: resolveBusinessDate(naturalText, company) — handles "today / tomorrow / day-after-tomorrow" and the per-tenant business-day boundary (e.g. day flips at 04:00 or 05:00, configured per Company.changeDateTime ). MCP SDK Server + SSE transport: @modelcontextprotocol/sdk wired into a NestJS controller. One SSE connection = one McpServer instance, company-scoped, with a session_id Map routing POST /messages . OAuth flow (B2, finished in one day across 7 steps) Step What Commit 1 Protected Resource Metadata endpoint (RFC 9728) d6f05ff6 2 /authorize + consent screen + PKCE start 107edbcb 3 /token + PKCE verify + JWT issue + resource (RFC 8707) ffd0468c 4 OAuthAccessTokenGuard (RS256 + HS256 fallback, extracts companyId / staffId ) f2c9bed4 5 Streamable HTTP transport (SSE → POST /sse/:companyId for JSON-RPC) 3a28d92f 6 resolveBusinessDate undefined fallback (`(naturalText 7 QA redeploy + ChatGPT live demo — The 12 traps (compressed) The full timeline is in the Japanese post; the abridged list: Discovery path mismatch. ChatGPT expected {% raw %} .well-known/oauth

Anthropic shipped Claude Fable 5 on June 9, 2026 — its first generally available Mythos-class model, priced at $10 per million input tokens and $50 per million output. That is exactly double Claude Opus 4.8, and the benchmark deltas are real: SWE-Bench Pro 80.3% vs 69.2%, FrontierCode 29.3% vs 13.4%. But the price is not the migration story. The API behavior is. Fable 5 ships three breaking changes that will silently misbehave in any integration that assumes Opus-era semantics. This post covers what actually changes in your code, what the bill looks like, and where the traps are. I run model intelligence at TokenMix , where we track pricing and API behavior across 300+ models. Everything below is sourced from Anthropic's launch docs, migration guide, and pricing page — verified June 10, 2026. The 60-second version Price: $10/$50 per MTok. Every rate is exactly 2× Opus 4.8 — cache reads $1, 5-min cache writes $12.50, 1-hour writes $20, batch $5/$25. Specs: 1M context, 128K max output, no long-context surcharge. Model ID: claude-fable-5 on the Claude API; anthropic.claude-fable-5 on Bedrock; anthropic/claude-fable-5 on OpenRouter. Breaking change 1: Adaptive thinking is always on. thinking: {"type": "disabled"} returns an error. Breaking change 2: Refusals are HTTP 200 responses with stop_reason: "refusal" — not error codes. Breaking change 3: Safety classifiers reroute flagged requests to Opus 4.8 (under 5% of sessions), and rerouted requests bill at Opus rates. No ZDR: 30-day data retention is mandatory. Zero-data-retention accounts don't see the model at all. Breaking change 1: thinking is no longer optional On Opus 4.8 you could disable thinking to trade quality for latency. On Fable 5 you cannot — adaptive thinking is permanently on, and the model decides how much to think per request. Your replacement lever is the effort parameter: { "model" : "claude-fable-5" , "max_tokens" : 16000 , "effort" : "high" , "messages" : [ ... ] } Five levels: low , medium , high ,

🎬 This article is a companion to my YouTube video. Watch it here: Introduction In this video we are going to talk about Redis — what it is, what it does, and why it is an important part of my back-end stack. What is Redis? Redis is a free, open-source, in-memory data store. Unlike PostgreSQL which stores data on disk, Redis stores data entirely in memory — in RAM. This makes it extremely fast. Redis can handle millions of operations per second with sub-millisecond response times. Redis is most commonly used as a cache, a session store, a message broker, and a real-time data store. What is Caching? When your application queries a database, that query takes time — it reads from disk, processes the query, and returns the result. If the same query is made thousands of times per second, you are hitting the database thousands of times unnecessarily. Caching solves this by storing the result of a query in memory. The first request hits the database and the result is stored in Redis. Every subsequent request gets the result from Redis — which is in memory and therefore much faster — instead of hitting the database again. Think of it like a shortcut. Instead of driving the long route to the database every time, you take the shortcut through Redis. What Does Redis Do? Caching Store frequently accessed data in memory for fast retrieval. Database query results, API responses, computed values — anything that is expensive to compute and accessed frequently is a good candidate for caching. Session Storage Store user session data in Redis instead of the database. Since sessions are read on every request, having them in memory is significantly faster than a database lookup. Rate Limiting Track how many requests a user or IP address has made in a given time window. Redis's atomic increment operations make it perfect for implementing rate limiting. Message Queues and Pub/Sub Redis supports publish/subscribe messaging and message queues. Applications can publish messages to a channel a

TLDR tsc is the TypeScript compiler. It turns your .ts files into .js files that Node.js and browsers can run. Install it with npm install -g typescript . Run tsc to compile your whole project. Run tsc --watch to auto-compile on every file save. Run tsc --noEmit to check for errors without creating any files. What is the TypeScript Compiler? The TypeScript compiler is a tool called tsc . It reads your TypeScript files and turns them into JavaScript files. Your browser and Node.js cannot run TypeScript directly. They only understand JavaScript. So tsc acts as the bridge between what you write and what actually runs. Think of tsc like a spell checker for your code. It finds problems before your code ever runs. Then it produces clean JavaScript output for you. How to Install the TypeScript Compiler You install tsc using npm. There are two ways to do this. Option 1: Global Install (runs anywhere on your computer) npm install -g typescript After install, check it works: tsc --version You will see something like Version 6.0.3 . Option 2: Local Install (recommended for teams) npm install --save-dev typescript Then run it using npx : npx tsc --version Which one should you use? Use a local install for project work. This makes sure everyone on your team uses the same TypeScript version. Use a global install only for quick personal experiments. How to Compile a Single TypeScript File The simplest way to use tsc is to pass it a single file. Create a file called hello.ts : const message : string = " Hello, TypeScript! " ; console . log ( message ); Now compile it: tsc hello.ts This creates a new file called hello.js in the same folder: var message = " Hello, TypeScript! " ; console . log ( message ); Notice that TypeScript removed the : string type annotation. The output is plain JavaScript that Node.js can run. Run the output file: node hello.js # Hello, TypeScript! Important: When you pass a file directly to tsc , it ignores your tsconfig.json . It uses its own default setting

The exec, Emad Dlala, has left just a few months after being promoted to SVP of engineering and digital, TechCrunch has learned.