Claude Opus 5

Overview

Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...

How to use / API access

Call via OpenRouter with model id `anthropic/claude-opus-5`.

• openrouter · anthropic/claude-opus-5 Docs

OpenRouter id: anthropic/claude-opus-5

Benchmarks

• Intelligence Index (artificial-analysis) : 50.8 index
• Coding Index (artificial-analysis) : 78 index
• Agentic Index (artificial-analysis) : 56.5 index
• Design Arena agenticgamedev (other) : 1261 elo · #2
• Design Arena androidnative (other) : 1269 elo · #3
• Design Arena fullstack (other) : 1304 elo · #5
• Design Arena godotgamedev (other) : 1279 elo · #3

Notes

Claude Opus 5 is listed in the EDNA Models directory from the OpenRouter catalogue.