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Kosmos-1

Training compute
3.5×10²¹ FLOP
Parameters
1.6B
Published
Mar 1, 2023

Kosmos-1 is an AI model developed by Microsoft (United States), first published in March 2023. It works in the multimodal, language and vision domain, on tasks such as visual question answering, image captioning, language modeling/generation and 5 more.

Training it took an estimated 3.5×10²¹ FLOP of compute (estimation method: operation counting). The model has 1,600,000,000 parameters. It was trained on roughly 360B datapoints.

Access: Unreleased. Its weights are not openly released. It is built on top of ViT-G/14 (LiT). Epoch AI rates the confidence of this record as likely.

Full record
Organization
Microsoft
Country of organization
United States
Domain
Multimodal, Language, Vision
Task
Visual question answering, Image captioning, Language modeling/generation, Chat, Question answering, Document classification, Image classification, Visual puzzles
Training compute
3.5×10²¹ FLOP
Compute estimation method
Operation counting
Parameters
1,600,000,000
Dataset size
360B
Model accessibility
Unreleased
Open weights
No
Base model
ViT-G/14 (LiT)
Epoch confidence
Likely
More from Microsoft
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
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