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Dev.to

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12:05
2026-10-31
dev.to
ai-agents

Before an AI Rewrites Legacy Code, Build a Parity Gate

An engineer published a source-based guide arguing that teams should build a parity gate—running identical representative inputs through legacy and rewritten implementations and comparing outputs—befo…

11:10
2026-10-31
dev.to
generative-ai

Halloween: the token monster prefers video

Developer Daniele Michelin compared Google's Gemini API token pricing for image versus video generation, finding that a 1K still image from Gemini 3.1 Flash Lite Image counts as 1,120 output tokens wh…

10:37
2026-10-31
dev.to
artificial-intelligence

GhostCommit: Every Abandoned Side Project Leaves a Ghost 👻

A developer built GhostCommit, a tool that turns a GitHub repository's commits and diffs into persistent "memories" using the open-weight Gemma 4 31B model served through Backboard, letting users ask …

10:12
2026-10-31
dev.to
ai-agents

Run It Twice, Charge Once: Idempotency Keys in n8n

A developer building and selling n8n LLM workflow templates documented how a provider-call timeout caused a customer to be charged and messaged twice, because n8n's retry succeeded alongside the origi…

10:11
2026-10-31
dev.to
large-language-models

Prompt Caching: Your Prompt's Prefix Is a Cache Key

A developer's technical writeup explains that prompt caching keys on an exact token prefix, so prompt assembly order determines whether requests hit the cache. It details Anthropic's opt-in cache_cont…

09:39
2026-10-31
dev.to
artificial-intelligence

Policy Phantom: Escape the Demonetization Graveyard

A developer built Policy Phantom, an open-source tool that scans YouTube scripts and transcripts for potential monetization policy violations before upload. The app runs entirely locally using the ope…

09:37
2026-10-31
dev.to
ai-tools

SéanceOS: The Ghost in the Machine 👻

A developer built SéanceOS, a Halloween-themed local terminal experience that uses the open-weight Gemma 3 4B model via Ollama to power a conversational "Séance Chamber" with historical computing figu…

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