Developer Tools
Claude Formalized Fermat’s Last Theorem. A Small Fable 5.1 Test
Claude formalized Fermat’s Last Theorem in Lean. Understand what was checked, why the research model matters, and how to evaluate a small proof yourself.
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Model Comparison
GPT-6 Astra vs Fable 5.1 vs Gemini 3.8 Flash
Compare GPT-6 Astra, Claude Fable 5.1, and Gemini 3.8 Flash for agents: task fit, retry budgets, escalation rules, and limits of cross-benchmark rankings.
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Developer Tools
Vercel AI SDK 7 Migration: WorkflowAgent, Skills, MCP Apps, and Durable Runs
A practical migration guide for Vercel AI SDK 7 workflow agents, skills, MCP Apps, and durable runs.
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Developer Tools
Claude Text Watermarking and the EU AI Act: What API Builders Need to Verify
A cautious guide to Claude text watermark claims, provenance records, and EU AI Act verification.
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Cloudflare Agent Traces: What to Instrument Before Your Agent Reaches Production
Production tracing schema for Cloudflare Agents, tool events, budgets, retries, and privacy.
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Magpie TTS and Open-Weight Voice Agents: The Deployment Checklist
Deployment checklist for Magpie TTS and open-weight voice agents, including latency, licensing, and serving.
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OpenRouter Analytics API: Build a Per-Agent Cost and Usage Ledger
Build an OpenRouter cost ledger that reconciles cache hits, providers, models, and agent workflows.
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AI Agent Stack 2026: Claude, OpenAI, Gemini, MCP, and the Runtime Layer
A practical map of the 2026 AI agent stack: model providers, tool protocols, Skills, orchestration, and runtimes, with a clear guide to where each layer belongs.
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Model Introduction
Model Launch Tracking with X APIs and LLM Agents: A Verifiable Workflow
A practical workflow for tracking AI model launches with X discovery, primary-source checks, and LLM-assisted evidence packets using SandBase.
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Open-Weight Models in Production: A Migration Checklist for AI Teams
A production checklist for moving an AI workflow to open-weight models: licensing, serving, evaluation, observability, fallback routing, and the limits of self-hosting.
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Tutorials
X/Twitter API for AI Agents: Search, Trends, Tweet Detail, and Profiles
A practical guide to using X/Twitter search, trends, tweet detail, and profile data in AI agent workflows with SandBase, including boundaries, retries, caching, and safe tool design.
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Tutorials
Anthropic Prompt Caching for Agents: Cut Claude Bill 60%
How to implement Anthropic prompt caching in agent loops. Real code, cost math, and advanced patterns that cut Claude API bills by 60% for repetitive workflows.
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Best Of
Best Image to Video AI Models for Agents (2026)
Best image to video AI models for agents in 2026 — comparing H3, Kling, and Gemini for product animation, thumbnail-to-video, and reference animation use cases.
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Tutorials
Build an Ad-Creative Video Agent (Tutorial)
Build a Python agent that generates 5 scored video ad variants in 4 minutes for $1.25 — 160× cheaper than freelancer production. Full code with async polling, LLM scoring, and error handling.
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