📰 Dev.to · Jangwook Kim

GPT-5.5 and GPT-5.4 now run on Amazon Bedrock's OpenAI-compatible endpoint. We mapped every config change and unsupported feature before you migrate.

OpenAI's Assistants API shuts down Aug 26, 2026. Get the Threads-to-Conversations migration map, a measured token-cost check, and a port checklist.

I pointed a 30-line checker at my own build output. All 248 blog posts passed their hreflang clusters; the homepage failed. Here are Google's official reciproci

We ran OpenAI's free moderation model on a labeled test set and built a safety gate that blocks abusive messages while letting an angry-but-fine one through.

OpenAI now keeps prompt caches for 24h by default on GPT-5.5. We ran the API to see when the 90% discount actually shows up, and when it doesn't.

Inject LocalBusiness JSON-LD with JavaScript and the raw HTML holds zero ld+json blocks. I compared it against server-side output, with Google's official stance

Build a tiny synthetic MCP-Persona-style evaluation for personalized tool use, backed by official sources and an OpenAI API lab check.

A practical migration checklist for OpenAI Agent Builder and Evals users, backed by official sources and a small synthetic API check.

I verified practical patterns for mocking Anthropic SDK messages.create() and streaming responses in Vitest 4.1.7. This covers why vi.fn().mockImplementation(fu

A hands-on tutorial for building a TypeScript MCP server from scratch using @modelcontextprotocol/sdk v1.29.0 and Zod v4. Step-by-step guide covering tool regis

AWS MCP Server reached GA on May 6 2026. Get the full developer guide: setup, 5 core tools, sandboxed Python execution, IAM security, and pricing.

Qwen3.7-Max delivers 69.7% Terminal-Bench 2.0 and 1M token context at $2.50/MTok. Complete developer guide: API setup, benchmarks, and Qwen Code CLI.

A local Genkit MCP server PoC, plus the honest Cloud Run deployment checklist for teams moving TypeScript agent tools toward production.

Codex Goal Mode is now stable. Learn how /goal turns Codex into a persistent coding agent that runs for hours or days without re-prompting.

A hands-on guide to migrating from Jest to Vitest 4.1.7. Covers installation, config migration, code conversion patterns, and Vitest 4 exclusive features like s

A hands-on Bun Shell guide based on real experiments with Bun 1.3.14. Covers $ template literals, .nothrow() error handling, Promise.all parallelism, and the ma

A practical guide to connecting Claude API streaming in Next.js 16 App Router. Covers Route Handlers, SSE, and React 19 client integration with real build outpu

How to use Promptfoo 0.121 to red-team LLM apps against the OWASP LLM Top 10 2025. YAML config, CI/CD integration, and plugin mapping explained.

GPT-Realtime-2, GPT-Realtime-Translate, and GPT-Realtime-Whisper explained with API patterns, pricing, and production tips for voice agent developers.

AI SDK 6 ships ToolLoopAgent as a production-ready agent primitive. Learn the new API, migration path from v5, multi-agent patterns, and what changed.

Mastra 1.0 is the TypeScript framework for production AI agents — agents, memory, workflows, RAG, and evals in one package. Here's how it works.

Qwen 3.6 Plus: 1M context, always-on CoT, Terminal-Bench 2.0 #1 at 61.6%. API setup, DashScope pricing, preserve_thinking, and vLLM self-hosting guide.

I installed anthropic 0.100.0 and openai 2.36.0 side by side in a sandbox and dug into the internals. Type count 408 vs 230, error class hierarchies, streaming

Complete developer guide to DeepSeek-V3-0324: architecture, API integration, function calling, benchmarks, and self-hosting on Ollama or vLLM.