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 the country recorded as United States of America, during July 2026. It comes out of an organisation categorised as industry.
It works in the domain of Language, Vision, Multimodal, and is recorded as performing the task of 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: sOTA improvement.
Answers
Claude Opus 5 — common questions
Claude Opus 5— how many parameters does it have?
No parameter count has been published for it, which is why no memory or speed figure appears on this page.
Claude Opus 5— who created it?
It was published by Anthropic, based in United States of America, an organisation categorised as industry.
Claude Opus 5— when was it released?
It was published in July 2026.
Claude Opus 5— what is it used for?
It works in the domain of Language, Vision, Multimodal, and is recorded as handling the task of language modeling/generation, Chat. These are the areas it was designed around; they describe intent rather than a hard boundary.
Claude Opus 5— what GPU do I need to run it?
None. This 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.
Claude Opus 5— is it open source?
No. Its weights have not been 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.