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
- highGemini 4 Argon: Built to solve your hardest problemsGoogle
- highMicrosoft CEO Nadella Calls for ‘Emergency Brake’ on Advanced AIMicrosoft
- highHD Hyundai, Siemens launch joint center for digital shipbuildingThe Korea Times
- highSecurity upgrades at Alexandria Airport focus on access pointsAlexandria Echo Press
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
Into the Omniverse: How Developers Turn Ideas Into Simulations With Frontier AI Agents
Meta
Reimagining Independence: How Meta’s AI Models Are Helping the University of Pittsburgh Transform Assistive Robotics
Gemini 4 Argon: Built to solve your hardest problems
Microsoft
Microsoft to expand Maia chip for the AI era
OpenAI
A model guide for the GPT-6 family
Anthropic
2026 Usage Policy update
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.
Which DeepSeek V4 Flash API Is Cheapest? Bitdeer AI Tops Artificial Analysis Price Benchmark
Techbullion • AI News
embeddinggemma-2 is trending on Hugging Face
Hugging Face • embeddinggemma-2
humanizer is trending on Hugging Face
Hugging Face • humanizer
Qwen-Image-2.1-Turbo is trending on Hugging Face
Hugging Face • Qwen-Image-2.1-Turbo
Qwen-Image-2.1-Uncensored-Quantized is trending on Hugging Face
Hugging Face • Qwen-Image-2.1-Uncensored-Quantized
xAI raised $6B (Series C)
Funding Radar • xAI
IBM, MeitY Startup Hub sign MoU to boost India's deep-tech startup ecosystem
Thehawk • Business
No more paper leaks? Nandan Nilekani pitches AI-generated exam papers, nationwide computer-based tests
Et Now • Research
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
Meta
Apple
Microsoft
NVIDIA
Market data delayed. For informational purposes only.
Latest Research
View allCan Language Models Play the Wikipedia Game?
Language models increasingly support or automate information retrieval from document collections too large to index. This task is difficult when it requires specialist linguistic or scientific knowledge. We used the Wikipedia Game to test language models on an analogous information retrieval task. I...
arXivTowards Physically Grounded Articulated 3D Assets: A Multi-Agent Pipeline and Benchmark
In this paper, we study physically grounded articulated 3D asset generation---moving the goal from reproducing how objects look to capturing how they move and function. Inspired by the literature on procedural and agentic generation, we present Artisan, a system that extends the latest method Articr...