Claude 3 Haiku

Closed weights Anthropic March 2024

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
4 March 2024

What it does

The problem areas the model was built for. A model can carry several of each.

Domain
Language
Task
Chat, Code generation, Language modeling/generation, Question answering

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
Training code
Unreleased

How it is classified

Labels the source dataset applies when tracking notable models, and how confident it is in the entry.

Likely above 10²³ FLOP
Yes
Record confidence
Unknown

Sources

Where this record came from and when it was last checked.

Reference
The Claude 3 Model Family: Opus, Sonnet, Haiku
Last updated
24 April 2026

What the numbers mean

What this model is

Claude 3 Haiku was published by Anthropic, in United States of America, in March 2024. The organisation is categorised as industry.

It works in Language, and is recorded as doing chat, Code generation, Language modeling/generation, Question answering.

Its weights were never published, so it can only be reached through its provider. No graphics card changes that.

Answers

Claude 3 Haiku — common questions

01

What GPU do I need to run Claude 3 Haiku?

None. Claude 3 Haiku 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.

02

Is Claude 3 Haiku open source?

No. Claude 3 Haiku has not had its weights published, so it exists only as a service controlled by its owner.

03

How many parameters does Claude 3 Haiku have?

No parameter count has been published for Claude 3 Haiku, which is why no memory or speed figure appears on this page.

04

Who created Claude 3 Haiku?

Claude 3 Haiku was published by Anthropic, based in United States of America, categorised as industry.

05

When was Claude 3 Haiku released?

Claude 3 Haiku was published in March 2024. Capability per parameter has improved considerably since, so a newer model of the same size is often the better use of the same hardware.

06

What is Claude 3 Haiku used for?

Claude 3 Haiku works in Language, and is recorded as handling chat, Code generation, Language modeling/generation, Question answering. A model can carry several of each, so these are the areas it was built for rather than a limit on what it will attempt.

Source

Original publication

Record last updated 24 April 2026

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.