The instruction that disappeared.
Follow a refund policy through a growing conversation. See what reaches the next request.
Understand your context. Catch regressions.
Inspect what goes into your AI requests with Context X-Ray. Test behavior changes with DriftCheck. Track provider changes that affect your stack.
Context X-Ray is free with no signup. DriftCheck runs locally or in CI.
Context X-Ray
See what is eating your context window. Private, free, no signup.
Is your AI stack at risk?
Pick your providers, see critical changes in 10 seconds. Free, no signup, shareable.
Catch your first regression
Run a passing check, introduce a failure, and see DriftCheck block it. No API key needed.
Live River
Quick bytes on launches, deprecations, pricing moves, benchmarks, and breakage risk.
DriftCheck
GitHub-native evals that turn prompt and agent changes into PR scorecards.
Agent API Index
Compare auth, tool-calling support, pricing hints, docs quality, and integration gotchas.
Capital Radar
Funding rounds, acquisitions, and investor moves with builder-first context.
Top builder-critical changes
What could break your stack this week
- criticalThe right to appeal is still missing from online safety conversationsLse Blogs | Expert Analysis From Lse, The World-le
- highRe: Six rules for doctors using AIBmj
- highOpenAI's AI Math Breakthroughs Leave Mathematicians Excited — and AlarmedOpenAI
- highNeedle Safety Devices Market Report Released; Needle Safety Devices Market to Reach USD 3.63 Billion by 2034 as Demand for Safer Injection Technologies RisesGlobenewswire_fr
- highNvidia Is About 4% From Becoming the First $6 Trillion Company. History Says the Milestone Itself Tells You LittleBiztoc
Sourced from the same live signal pipeline as River. Pin your evals with Checks.
Best places to start
Choose an artifact, not a browse path
The strongest A2ZAI surfaces now end in a public object you can use, share, or route teammates into.
Utility artifact
Run Checks and publish a benchmark card
Best for shipping teams who want a PR scorecard, public benchmark artifact, and shareable proof of improvement.
Open ChecksSignal artifact
Open the live river and jump into quick bytes
Best for scanning launches, deprecations, pricing shifts, and benchmark moves, then opening the strongest byte pages.
Open Live RiverDestination artifact
Use company pages as operating dashboards
Best for sending someone one link that combines official posts, live intel, quick bytes, and capital context.
Explore company pagesCompany Spotlight
NVIDIA
Why Telecom Operators Are Building Their AI Strategy on Open Models
Meta
Reimagining Independence: How Meta’s AI Models Are Helping the University of Pittsburgh Transform Assistive Robotics
Introducing Playground: Create and play custom games
Microsoft
The next step in factory automation: Machines that adapt with AI
OpenAI
A model guide for the GPT-6 family
Anthropic
Expanding the Cyber Verification Program
What changed for builders
Use this stream to spot the change, then move into a stronger destination page: river for the wider feed, company pages for operator context, and Checks for a public benchmark artifact.
Lee calls for further advances in satellite technology after watching Nuri launch
The Korea Herald • AI News
Smart Home Security Market: The Future of Connected Residential Safety
Express-press-release • AI News
BSA proposes transparent process allowing cyber professionals priority access to frontier AI models before public release
Insidecybersecurity • AI News
clef is trending on Hugging Face
Hugging Face • clef
JEV-27B-VL is trending on Hugging Face
Hugging Face • JEV-27B-VL
GEV-26B-Decide is trending on Hugging Face
Hugging Face • GEV-26B-Decide
embeddinggemma-2 is trending on Hugging Face
Hugging Face • embeddinggemma-2
xAI raised $6B (Series C)
Funding Radar • xAI
A2ZAI Checks
Catch prompt and agent regressions before merge, then turn the result into a shareable benchmark card.
Explore Checks5 Things in AI Today
A fast daily read on the biggest AI stories, tools, launches, demos, and deals.
5 Things in AI Today
The biggest AI stories, tools, launches, demos, and deals in a quick daily read.
Or stay in the loop
Funding Radar
View allxAI
$6BSeries C • Foundation Models
Databricks
$10BSeries J • AI Infrastructure
Perplexity
$500MSeries B • AI Applications
Physical Intelligence
$400MSeries A • Robotics
Chosen builder wedge
A2ZAI Checks is the utility layer on top of builder radar
The site stays useful as launch radar and discovery, but the product edge is a shareable scorecard builders can produce every time they ship. Supporting surfaces like learn still exist with 15 lessons and 126+ terms, but they are now secondary to shipping workflows.
Viral Artifact
GitHub PR scorecard
A2ZAI Checks
Prompt regression check for `support-agent.yaml`
Quality
+8.4%
Latency
+220ms
Cost
-31%
Passing: `refund-policy`, `invoice-lookup`, `cancel-subscription`
Regressed: `edge-case-promotions` on `gpt-4.1-mini`
Recommendation: merge after fixing one retrieval prompt and rerunning the pack.
Public Card
Benchmark card
Repo benchmark
support-agent / checkout-recovery
Best model route
Claude Sonnet + GPT-4.1-mini fallback
Win summary
12% better success at 29% lower cost
This is the artifact that spreads on X, GitHub, and founder launches: a benchmark card builders can link to when they ship.
AI Stock Pulse
Amazon
Apple
Microsoft
Meta
Market data delayed. For informational purposes only.
Latest Research
View allWorld Models' Last Exam in Physics
Video world models can produce visually convincing yet physically inconsistent sequences, raising concerns about their reliability for prediction and planning in embodied AI systems. Existing evaluations often rely on model-based judgments or reference videos, while direct physical tests largely foc...
arXivBuilding Rome from a Single Image
Single-image scene generation aims to produce a complete 3D scene mesh from a single image, including surfaces the camera did not observe. While pretrained 3D object generators encode a strong shape prior, they are mainly designed for isolated objects in a fixed canonical volume and focus mostly on ...