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
- highMicrosoft Digital Defense Report: How AI is reshaping the cybersecurity landscapeMicrosoft
- highA model guide for the GPT-6 familyOpenAI
- highHas the time arrived for the retail chief AI officer?OpenAI
- highBNR's Badea: Technology development and implementation of AI models no longer optional for emerging economiesStiri Pe Surse
- highApple Reportedly Building AI Home Security Camera That Won't Record Video as Smart Home Hub Launch NearsInternational Business Times
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
NVIDIA DGX Spark 64GB Gives Developers More Ways to Build and Scale Local AI
Meta
Reimagining Independence: How Meta’s AI Models Are Helping the University of Pittsburgh Transform Assistive Robotics
Watch the winning trailer from the Future Vision XPRIZE, The Gifted.
Microsoft
Microsoft Digital Defense Report: How AI is reshaping the cybersecurity landscape
OpenAI
A model guide for the GPT-6 family
Anthropic
Anthropic invests $100 million to train 10,000 engineers and tackle the enterprise AI talent gap
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.
Cancer Molecular Diagnostics Market Size and Forecast 2026 to 2030 by Cancer Type, Product, and Care Setting | AI, Liquid Biopsy, and Companion Diagnostics Drive Global Growth
Globenewswire_fr • Research
clef is trending on Hugging Face
Hugging Face • clef
CLM-v0.1-8B is trending on Hugging Face
Hugging Face • CLM-v0.1-8B
laya is trending on Hugging Face
Hugging Face • laya
Qwen-Image-2.1-Uncensored-GGUF is trending on Hugging Face
Hugging Face • Qwen-Image-2.1-Uncensored-GGUF
xAI raised $6B (Series C)
Funding Radar • xAI
Databricks raised $10B (Series J)
Funding Radar • Databricks
Perplexity raised $500M (Series B)
Funding Radar • Perplexity
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
NVIDIA
Apple
Meta
Amazon
Microsoft
Market data delayed. For informational purposes only.
Latest Research
View allMoore, Escher, Penrose: A Conformal Golden Braid
I don't think I have ever done anything as peculiar in my life. Among other things, it shows a young man looking with interest at a print on the wall of an exhibition that features himself. How can this be? Perhaps I am not far removed from Einstein's curved universe.'' So wrote M.C. Escher about hi...
arXivSphere Encoder 2
Sphere Encoder is an autoencoder that generates images by decoding random points from a high-dimensional latent sphere. We identify two limitations of the original formulation that reduce its generation quality. First, random points concentrate near the equator relative to the pole on an encoded lat...