What Is an AI Eval? A Builder’s Guide to Testing LLM Outputs Before You Ship
Build one real eval suite for a 3-endpoint RAG app, with actual grader code, and see how it catches regressions a model swap hides from manual spot-checks.
VTechNews Editorial Team
Google Antigravity 2.0, Explained: What Changed From v1, and Why Your Gemini CLI Setup Just Got a Deadline
Gemini CLI died June 18, 2026 with no grace period. Here’s what Antigravity 2.0 actually replaced it with, what broke, and how it compares to Cursor.
AI Research News: What Actually Matters to Builders, Filtered From the Noise
New model releases explained by unit economics: real context limits, 71x pricing spread, and rate-limit surcharges that actually break budgets.
GPT-5.5’s Context Window, Explained: What the Number Actually Buys You in RAG and Long-Running Coding Agents
GPT-5.5’s 1M-token window vs Claude Opus 5, Gemini 3.1/3.5 Pro — and why RULER shows RAG and coding agents break before the ceiling.
Who Actually Owns OpenAI and Anthropic in 2026? The Real Cap Tables, Explained
Microsoft holds ~27% of OpenAI plus separate profit-share rights. Google and Amazon back Anthropic with billions but zero board votes. Here’s the real breakdown.
AI Governance for Small Business in 2026: What the EU AI Act Actually Requires (and What It Doesn’t)
The EU AI Act’s August 2026 transparency rules apply to any SMB using ChatGPT or Claude. Here’s the real obligation set, minus the enterprise-scale panic.
AI Tools List: The Only One Organized by What Breaks in Production
GPT-4o, Cursor, n8n, Claude, and legal AI tools ranked by real failure modes: 429 rate limits, silent context truncation, and hallucination rates.
Discovered Materials Raises $9M to Set AI Agent Swarms on Chip Cooling: The Verify-Before-Trust Pattern Worth Copying
Discovered Materials raised $9M from Lightspeed India, Peak XV, and Paul Graham to hunt cooler chip materials with AI agents gated by physics simulation. The generate-cheap, verify-expensive architecture is the reusable part.
River AI’s $1.1B Seed Round, Situational Awareness’s $400M Chip Bet, and Accel’s $550M India Fund: What This Week’s AI Capital Flows Actually Signal
Four AI deals landed in four days: a $1.1B mega-round for a two-month-old startup, a distressed hedge fund’s $400M chip bet, a $550M India fund, and a quiet OpenAI acquihire. Here’s what each pattern means for founders, buyers, and hires.
Vector Database Pricing Compared: pgvector vs Pinecone vs Weaviate at 1M and 10M Embeddings
Real 2026 rate-card pricing for pgvector, Pinecone, and Weaviate at 10M and 100M vectors, plus why your embedding model choice doubles your storage bill.