Lab
AI tools, creative workflows, developer deep-dives, and behind-the-scenes from RAXXO Studios.
42 articles
Claude Fable 5 vs Opus 4.8: Is Double the Price Worth It?
Fable 5 costs 10 dollars per million input tokens against 5 for Opus 4.8, output is 50 vs 25 SWE-Bench Pro gap is 11.1 points, and FrontierCode more than doubles at 29.3 vs 13.4 Same API surface with one new...
Read articleClaude Fable 5 Is Here: The First Public Mythos-Class Model
Anthropic released Claude Fable 5 on June 9, 2026, the first Mythos-class model anyone can use Pricing doubles Opus 4.8: 10 dollars per million input...
From Notion to MCP Server: I Rebuilt 4 Workflows in a Weekend
Migrated 4 of 7 Notion automations to an MCP server in one weekend Two workflows stayed in Notion because the database UI beat any tool...
5 Claude API Errors That Cost Me Money (And How I Trapped Them)
Retry storms turned 1 timeout into 340 duplicate calls billed in 90 seconds Infinite tool loop ran 1,200 iterations before I noticed at 2am Partial...
The 1M Context Window vs Prompt Caching: When to Use Which
1M context costs full price on every query, caching cuts repeated tokens to 1/10 Use 1M for one-shot deep dives, caching for repeated calls against...
Claude Files API in Production: 5 Patterns for Document Workflows
Files API replaced my 40KB inline blobs with reusable file IDs across requests Citation grounding cut hallucinated quotes to near zero in 200 test runs...
How I Auto-Publish a Blog Article Per Day With GitHub Actions and Claude
Daily blog automation runs free on GitHub Actions cron at 06:00 UTC Topic queue file plus dedup check against the live blog index Single Anthropic...
Building Multi-Agent Workflows With Claude: A Solo Studio Playbook
Three parallel writer agents drafting at once cut my blog turnaround from 6 hours to 90 minutes Research agents run in parallel then merge through...
5 Anthropic Prompt Caching Patterns That Cut My API Bill 70%
System-prompt caching alone cut repeat-call costs by half Tool definitions cache separately, perfect for agent loops Conversation history caching pays off after turn three 1-hour...
Claude Opus 4.8 Is Here: Everything That Changed
Claude Opus 4.8 landed May 28 with a 4x drop in unremarked code bugs, a 3x cheaper Fast mode, Dynamic Workflows, and the same price...
5 Anthropic SDK Streaming Patterns I Use in Production
Token paint with backpressure stops fast streams from crashing slow UIs Partial tool_use blocks let you show "querying X..." 200ms into a call AbortController cancels...
5 MCP Servers I Built This Year and What They Replaced
Built 5 MCP servers in 2026, retired 4 daemons and a Zapier flow Catalog and blog-index MCPs saved roughly 9 hours per week Render-queue MCP...