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Chameleon-34B

Training compute
1.6×10²⁴ FLOP
Parameters
34B
Published
May 16, 2024

Chameleon-34B is an AI model developed by Facebook AI Research (United States and France), first published in May 2024. It works in the multimodal, image generation, language and vision domain, on tasks such as language modeling/generation, vision-language generation, visual question answering and text-to-image.

Training it took an estimated 1.6×10²⁴ FLOP of compute (estimation method: hardware,operation counting). The model has 34,000,000,000 parameters. It was trained on roughly 4.4T datapoints. Training ran on 3,072 NVIDIA A100 SXM4 80 GB for about 1.4K hours.

Access: Open weights (non-commercial). Its weights are openly available. Epoch AI rates the confidence of this record as confident.

Full record
Organization
Facebook AI Research
Country of organization
United States, France
Domain
Multimodal, Image generation, Language, Vision
Task
Language modeling/generation, Vision-language generation, Visual question answering, Text-to-image
Training compute
1.6×10²⁴ FLOP
Compute estimation method
Hardware, Operation counting
Parameters
34,000,000,000
Dataset size
4.4T
Training hardware
NVIDIA A100 SXM4 80 GB
Chips used
3,072
Training time
1,394 h
Training power draw
2.4 MW
Model accessibility
Open weights (non-commercial)
Open weights
Yes
Epoch confidence
Confident
More from Facebook AI 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.
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