AI Coding Tool Benchmark: RAG Reduces Token Usage by 23% in Claude Code and GitHub Copilot
By
mikeayles
A bagel you'd recommend to a friend without hedging.
Summary
The article appears to be a blog/portfolio page for Michael Ayles, an Electronics & Embedded Systems Engineer. The content shows recent posts including one from April 2026 about benchmarking AI coding tools (Claude Code and GitHub Copilot) with and without RAG-powered semantic search across 60 queries, finding that RAG reduces token consumption by 23% and helps on the hardest queries. Another post from March 2026 discusses diesel pricing dynamics, explaining why fuel prices move less than expected despite crude oil volatility, and why government taxation remains a bigger factor than geopolitical events.
Key quotes
· 4 pulledI benchmarked Claude Code and GitHub Copilot on the same model with and without RAG-powered semantic search across 60 queries.
Both tools search equally well — but RAG cuts token consumption by 23% and helps on the hardest queries.
Brent crude hit $119.50, then crashed to $88, then bounced to $90, all in 48 hours. Your fuel bill moved 5p.
The anatomy of a diesel price, why wars move it less than you'd think, and why the Chancellor is still a bigger threat than...
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