Claude Opus 4/5 is named by AI engines in 3 questions across 3 segments.
by Anthropic3 observations1 of 5 engines name itLast seen Sep 9, 2026
Where it is named
| Question | Avg position | Named in | Engines |
|---|---|---|---|
| What is currently the best AI LLM? LLMOps | #2.0 | 1 of 5 answers | Copilot |
| Which AI model is best at UI design? Conversation Design | #4.0 | 1 of 4 answers | Copilot |
| What are the best AI models for research and reasoning? AI reasoning models | #4.0 | 1 of 5 answers | Copilot |
Which engines name it — and which do not
- Copilot3 questions
- ChatGPTnever named
- Google AI Modenever named
- Gemininever named
- Perplexitynever named
Copilot names Claude Opus 4/5 in 3 questions. ChatGPT, Google AI Mode, Gemini, Perplexity have not named Claude Opus 4/5 in any of these questions — that is where the ground is open.
Counted from the questions above. A question may not have run on every engine.
Where it is strongest and weakest
Strongest
Fewer than four ranked questions — no separate weakest set.
± is the spread of positions across answers. A wide spread means the ranking is unstable — which means it is winnable.
Spelling variants
Engines spell this brand 2 ways. All of them are counted on this page as Claude Opus 4/5.
- Claude Opus 4.5
- Claude Opus 4/5
Source: ranking answers from 5 AI engines, first seen Sep 8, 2026, last seen Sep 9, 2026. This page is generated from observations only — it is not claimed or edited by Claude Opus 4/5.