📰 Dev.to · Ravi Patel
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⚡ AI Lessons

Dev.to · Ravi Patel
1d ago
Three AI providers went down on the same day. Here's the architecture that didn't care.
On June 2, 2026, Claude, ChatGPT, and Grok all had outages in the same window. If your app calls one provider directly, your app went down t

Dev.to · Ravi Patel
3d ago
Batch API vs real-time OpenAI: the 50% discount, the 24-hour latency tolerance, and the workloads that should switch
OpenAI's Batch API discounts chat completions 50% in exchange for accepting up to 24-hour processing latency. Here's which workloa

Dev.to · Ravi Patel
4d ago
LLM cost reduction techniques ranked by ROI: the 5 that matter, the 9 that don't (much)
Don't deploy 14 cost-reduction techniques. Deploy 5 that capture most of the savings, in this order: provider-native prompt caching, exact-m

Dev.to · Ravi Patel
5d ago
LLM token budgeting for startups: the playbook before you have a finance function
AI FinOps without the FinOps team — per-feature budgets, simple alert wiring, and the rule-of-thumb thresholds that catch runaway loops befo

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

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

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

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

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.

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

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

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.

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...

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...

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...
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