Live
AI models

PaLI-X

Training compute
5.6×10²³ FLOP
Parameters
55B
Published
May 29, 2023

PaLI-X is an AI model developed by Google Research (United States), first published in May 2023. It works in the multimodal, language, vision and video domain, on tasks such as image captioning, video description, character recognition (ocr) and visual question answering.

Training it took an estimated 5.6×10²³ FLOP of compute. The model has 55,000,000,000 parameters.

Access: Unreleased. Its weights are not openly released. It is built on top of UL2. The reference paper has 282 citations. Epoch AI rates the confidence of this record as likely.

Full record
Organization
Google Research
Country of organization
United States
Domain
Multimodal, Language, Vision, Video
Task
Image captioning, Video description, Character recognition (OCR), Visual question answering
Training compute
5.6×10²³ FLOP
Parameters
55,000,000,000
Model accessibility
Unreleased
Open weights
No
Base model
UL2
Citations
282
Epoch confidence
Likely
More from Google Research
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.
← All ai models