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Claude Opus 5.5: Breaking Changes and What It Really Costs
Anthropic released Claude Opus 5.5 on 22 September 2026 at $4 per million input tokens and $20 per million output,...
Vercel vs Netlify vs Cloudflare: Three Real Monthly Bills
Choosing between Vercel vs Netlify vs Cloudflare used to be a question about developer experience. In 2026 it is mostly...
Managed Postgres Pricing: RDS, Aurora, Neon and Supabase
Comparing managed Postgres pricing is harder than it looks, because the four services in this post do not bill for...
Lambda vs Fargate vs EC2 Cost: The Crossover Points in 2026
Every team that runs containers on AWS eventually argues about this, and the argument almost never ends in a number....
Tokenizers Compared: The Same Prompt, Five Token Counts
Nearly every token budget in production was built on a single tokenizer and then applied to every model the app...
Postgres Index Types: EXPLAIN ANALYZE on 10 Million Rows
Most advice about Postgres index types stops at a sentence per type: B-tree for ordering, GIN for arrays, BRIN for...
Docker Base Image Size: What 15 Tags Actually Cost in MB
Almost every Docker base image size you have read in a blog post is a number somebody copied from another...
Vitest vs Jest Speed: The Suite Time Difference, Measured
Every Vitest vs Jest speed claim you have read was written by someone who did not re-run it. Vitest’s documentation...
LLM Cost per Task: Why Cheap Tokens Cost More in 2026
Every vendor publishes a price per million tokens, and every engineering team quietly converts that number into a budget it...