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📰 Dev.to · Ravi Patel

15 articles · Updated every 3 hours · View all reads

All Articles 86,026Blog Posts 107,336Tech Tutorials 21,212Research Papers 18,610News 14,236 ⚡ AI Lessons
OpenAI prompt caching, explained: automatic, free to enable, 90% off cached input tokens
Dev.to · Ravi Patel 6d ago
OpenAI prompt caching, explained: automatic, free to enable, 90% off cached input tokens
OpenAI's prompt cache engages automatically on prompts ≥1,024 tokens with no caller-side configuration. The mechanics, the 90% discount
Prompt cache fingerprinting pitfalls: the discipline that makes exact-match caching actually hit
Dev.to · Ravi Patel 1w ago
Prompt cache fingerprinting pitfalls: the discipline that makes exact-match caching actually hit
Exact-match LLM caching only works if two equivalent requests fingerprint to the same key. The seven normalisation pitfalls that break naive
Structured outputs vs JSON mode vs function calling vs raw text: the cost tradeoff explained
Dev.to · Ravi Patel 1w ago
Structured outputs vs JSON mode vs function calling vs raw text: the cost tradeoff explained
Structured outputs feel like a quality feature, but the real impact is token economics — 30-50% less verbose responses on extraction and cla
The hidden cost of streaming LLMs: caches you can't use, bills you don't expect, and complexity you don't need
Dev.to · Ravi Patel 1w ago
The hidden cost of streaming LLMs: caches you can't use, bills you don't expect, and complexity you don't need
Streaming feels faster to users but breaks caching, complicates billing, adds operational overhead, and creates failure modes that non-strea
The 'Steal Your Competitor's SEO With AI' Trick, Tested
Dev.to · Ravi Patel 1w ago
The 'Steal Your Competitor's SEO With AI' Trick, Tested
A viral tweet says you can steal any competitor's SEO strategy in 5 minutes with AI and their sitemap. I ran it on a real rival. Here's what it actually misses.
The 50ms promise I made in v1.6
Dev.to · Ravi Patel 1w ago
The 50ms promise I made in v1.6
Last week I shipped the edge layer and admitted I'd promised 50ms cache hits but only delivered 300-500ms. Here's the follow-up that closes
How to stop your AI bill from surprising you
Dev.to · Ravi Patel 1w ago
How to stop your AI bill from surprising you
Budgets aren't about not spending. They're about predictability. Policy isn't about restricting. It's about consistency. v1.4 ships routing
GEO vs SEO in 2026 — What Google's May Guidance Changed
Dev.to · Ravi Patel 3w ago
GEO vs SEO in 2026 — What Google's May Guidance Changed
Google said AEO and GEO are 'still SEO.' Half-true. Heres the honest read on what changed on Google, what didnt on the other engines, and what to do.
The Merging Take Is Too Early
Dev.to · Ravi Patel 2mo ago
The Merging Take Is Too Early
Everyone is calling for AI coding tools to consolidate. We are not in the merging phase — we are in...
There Is No Best AI Model in 2026 — And That's Actually Good News
Dev.to · Ravi Patel 2mo ago
There Is No Best AI Model in 2026 — And That's Actually Good News
GPT-5.4, Claude Opus 4.6, and Gemini 3.1 Pro all dropped within weeks. Each is best at something...
How I Cut My AI API Costs by 40% Without Changing a Single Prompt
Dev.to · Ravi Patel 2mo ago
How I Cut My AI API Costs by 40% Without Changing a Single Prompt
Most developers overpay for AI by sending every query to the same model. Here's how intelligent...