HarnessTax: How Much Does the Harness Matter for Coding Agents? - Arena.ai

kept by eddie sep 17

The article investigates how much the harness (evaluation environment) influences the performance of coding agents like Codex and Copilot in practice.

Claude and Codex are now available in public preview on GitHub - GitHub Changelog
Claude and Codex coding agents are now in public preview for Copilot Pro+ and Copilot Enterprise customers, enabling agent sessions from GitHub.com, mobile, and VS Code.
also on GitHub Copilot, Codex, #ai-agents, #ai-coding, #developer-tools
The Era of Tokenmaxxing
Shopify approaches 100% daily AI tool adoption among employees, with CLI tools like Claude Code and Codex gaining share while IDE-based tools decline, though top percentile token users grow faster than the rest.
also on GitHub Copilot, Codex, #ai-coding, #developer-tools