Claude Opus 5
No estimate
No hardware requirements for this model
The weights for this model have not been published, so it cannot be downloaded or run on your own hardware at any size. It is reachable only through its provider, and no graphics card changes that.
On record
Full specification
Everything on record for this model. Most of it describes how it was trained rather than how it runs — useful context for judging how much work went into it, and how it compares with models built at a different scale.
Origin
Who built this model, where, and when it was published.
- Organisation
- Anthropic
- Organisation type
- Industry
- Country
- United States of America
- Published
- 24 July 2026
What it does
The problem areas the model was built for. A model can carry several of each.
- Domain
- Language, Vision, Multimodal
- Task
- Language modeling/generation, Chat
Size
How large the model is and how much data it was trained on. Parameters are the figure that decides whether it fits on a given graphics card.
- Training data
- tokens
Availability
Whether you can obtain the model and run it on your own hardware, which is what decides if any of the graphics-card figures on this page apply.
- Weights
- Closed — provider access only
- Model access
- API access
How it is classified
Labels the source dataset applies when tracking notable models, and how confident it is in the entry.
- Why it is tracked
- SOTA improvement
- Record confidence
- Confident
SOTA at release on Frontier-Bench v0.1, GDPval-AA v2, ARC-AGI-3, BrowseComp, OSWorld 2.0, Zapier AutomationBench, BioMysteryBench
Sources
Where this record came from and when it was last checked.
- Reference
- Introducing Claude Opus 5
- Last updated
- 24 July 2026
What the numbers mean
About this model
Claude Opus 5 was published by Anthropic, in United States of America, in July 2026. It comes out of industry.
It works in Language, Vision, Multimodal, and is recorded as doing language modeling/generation, Chat.
Because the weights are not available, none of the hardware figures elsewhere on this site apply to it.
Training and provenance
The reason it appears in this catalogue at all is sOTA improvement.
Answers
Claude Opus 5 — common questions
How many parameters does Claude Opus 5 have?
No parameter count has been published for Claude Opus 5, which is why no memory or speed figure appears on this page.
Who created Claude Opus 5?
Claude Opus 5 was published by Anthropic, based in United States of America, categorised as industry.
When was Claude Opus 5 released?
Claude Opus 5 was published in July 2026.
What is Claude Opus 5 used for?
Claude Opus 5 works in Language, Vision, Multimodal, and is recorded as handling language modeling/generation, Chat. These are the areas it was designed around; they describe intent rather than a hard boundary.
What GPU do I need to run Claude Opus 5?
None. Claude Opus 5 is a closed model — its weights were never published, so it cannot be downloaded or run on your own hardware at any price. It is reachable only through its provider.
Is Claude Opus 5 open source?
No. Claude Opus 5 has not had its weights published, so it exists only as a service controlled by its owner.
The other direction
Looking at it from the other side?
This page starts from the model. If you already own a card and want to know everything it will run, start from the hardware instead.