Claude Opus 5
by Anthropic
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
Models
Claude Opus 5
Added 3 Sept 2026
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-5Docs
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): 1270 elo · #3
- Design Arena fullstack (other): 1306 elo · #4
- Design Arena godotgamedev (other): 1279 elo · #3
Notes
Claude Opus 5 is listed in the EDNA Models directory from the OpenRouter catalogue.
In the AI Pulse
Recent daily briefs from the Enterprise DNA AI Pulse that mention this. The short daily read on what is actually happening in AI.
- AI Trends Pulse26 Sept 2026
Claude Opus 5.5 generates motion graphics
- AI Trends Pulse22 Sept 2026
Anthropic ships Claude Opus 5.5
- AI Trends Pulse22 Sept 2026
OpenAI launches GPT-6 Sol and Luna
- Frontier Labs Watch22 Sept 2026
Anthropic and OpenAI trade flagship launches same day
- AI Trends Pulse4 Sept 2026
GitHub's multi-model orchestration beats a single frontier model on cost and quality
- Frontier Labs Watch4 Sept 2026
Meta prices Muse Spark 1.3 at $1.25/M input tokens while claiming near-frontier coding scores, but holds the actually-competitive variant back
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