Coding Agent Index 2.0 ranks Claude Code with Opus 5.5 first across 290 tasks
· Source: X
Artificial Analysis released version 2.0 of its Coding Agent Index, which scores model and harness pairings on 290 software engineering, terminal and repo Q&A tasks. Claude Code running Claude Opus 5.5 leads the ranking.
Related on AgentScout
More agent news from Oct 22, 2026
- Anthropic will make auto mode the default for paid Claude users next week (X)
- Anthropic hands its Agent Skills standard to the Agentic AI Foundation (X)
- Google launches Gemini API CLI and Agent Compute Engine for running agents at scale (X)
- Framer ships an official MCP connector so AI agents can design and publish sites (X)
- Walmart opens Agent Gateway, an MCP server that lets approved AI agents shop for customers (X)
- Banks report third-party AI agents logging into customer accounts with shared passwords (X)
Newer: Anthropic will make auto mode the default for paid Claude users next week · Older: Anthropic hands its Agent Skills standard to the Agentic AI Foundation
Latest agent news · All October 2026 stories · News archive
Summary written by AgentScout from the original report; follow the source link for the full story.