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Introducing Aya

A global initiative led by Cohere For AI to advance the state-of-art in multilingual AI and bridge gaps between people and cultures across the world. Aya is an open science project to create new models and datasets that expand the number of languages covered by AI, involving over 3,000 independent researchers across 119 countries.

The word Aya is derived from the Twi language meaning “fern” - a symbol of endurance and resourcefulness. Aya embodies our dedication to advancing multilingual AI.

3

Models

513M

Total Release Dataset Size

3K

Independent Researchers

250+

Language Ambassadors

119

Countries

204K

Original Human Annotations

101

Languages

81K

Discord Messages

The Aya Models

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State of the Art, Accessible Research LLM

Aya Expanse - 8B

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State of the Art Research LLM

Aya Expanse - 32B

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Massively Multilingual Research LLM

Aya 101

Multilingual AI Research

Aya provides AI researchers a groundbreaking foundation to accelerate multilingual AI progress. Aya is one of the largest open science endeavors in machine learning to date – redefining the research landscape by collaborating with independent researchers from across the globe. The result is a fully open-sourced dataset and model.

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Aya Dataset: An Open-Access Collection for Multilingual Instruction Tuning

The Aya Collection stands as the most extensive assembly of multilingual instruction fine-tuning datasets to date, featuring 513 million prompts and completions across 114 languages. We fully open-source the collection, which includes rare, human-curated annotations from fluent speakers worldwide.

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Aya Model: An Instruction Finetuned Open-Access Multilingual Language Model

The Aya Model is a massively multilingual language model capable of following instructions in 101 languages. Developed using a diverse mix of instructions from the Aya dataset and collection among others, it achieves state-of-the-art performance across numerous multilingual benchmarks.

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Aya 23: Open Weight Releases to Further Multilingual Progress

Our technical report shares evaluation results on multiple multilingual NLP benchmarks, and generation quality assessments.

A Step Forward For Multilingual Generative AI

The numbers behind Aya, our family of massively multilingual research LLMs.

Advancing the state-of-art for global languages

The Aya Collection and our first Aya model, Aya 101, cover 101 languages. Half of these were completely under-served by pre-existing language models. Aya Expanse offers enhanced performance for 23 of these languages.

Try Aya

Jambo. Bạn có khỏe không. नमस्ते. Aya provides a foundation for underserved languages in natural language understanding, summarization, and translation tasks.

Ready to start generating your own prompts? Download our most accessible and efficient multilingual model Aya Expanse 8B, or jump through to interact with our best Aya model which covers 23 languages.

Select language:

SELECT PROMPT

আপেল খাওয়ার ৫টি উপায় কি কি?

RESPONSE:

আপেল কেটে নিন এবং টুকরো টুকরো করে নিন। আপেল কেটে কেটে নিন এবং টুকরো টুকরো করে নিন। আপেল কেটে এবং সিরাপের সাথে মিশিয়ে নিন। আপেল কেটে টুকরো টুকরো করে নিন।

Featured Videos

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Connecting, with Aya Expanse

Ahmet Üstün is both part of the team that built Aya, and uses it to connect

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Aya Expanse on WhatsApp

Text Aya in 23 languages worldwide on WhatsApp at +14313028498

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The Journey of Aya

The story of how 3,000 researchers worldwide came together.

Aya Press

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VentureBeat

Cohere launches new AI models to bridge global language divide

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Silicon Angle

"Cohere announces Aya Expanse multilingual AI model family for researchers"

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The New York Times

"When A.I. Fails the Language Test, Who Is Left Out of the Conversation?"

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Axios

"New AI polyglot launched to help fill massive language gap in field"

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The Washington Post

"Helping the second class citizens of the AI boom"

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The Globe and Mail

"AI falls short in many languages. A non-profit project aims to fix that"

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Aya at a Glance

Learn more about the journey of Aya, from our collaborators, to key breakthroughs & the responsible use of our open source model

What’s next?

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Aya Expanse Blog

Learn about our latest 8 and 32 Billion Parameter Open Weights Release

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Join others in the Aya movement

Connect with people worldwide working towards a multilingual future.

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Expedition Aya

Explore the 20 projects from our global, multilingual build challenge.

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Cohere For AI

Aya is led by Cohere For AI, Cohere's research lab which seeks to solve complex ML problems. We support fundamental research and are focused on creating more points of entry into ML research.