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Baichuan-Omni-1.5

Training compute
3.3×10²² FLOP
Parameters
11B
Published
Jan 26, 2025

Baichuan-Omni-1.5 is an AI model developed by Baichuan (China), first published in January 2025. It works in the multimodal, language, speech and 3 more domain, on tasks such as language modeling/generation, question answering, audio question answering and 8 more.

Training it took an estimated 3.3×10²² FLOP of compute (estimation method: operation counting). The model has 11,000,000,000 parameters. It was trained on roughly 500B datapoints.

Access: Open weights (restricted use). Its weights are openly available. Epoch AI rates the confidence of this record as likely.

Full record
Organization
Baichuan
Country of organization
China
Domain
Multimodal, Language, Speech, Vision, Video, Audio
Task
Language modeling/generation, Question answering, Audio question answering, Speech recognition (ASR), Speech-to-text, Visual question answering, Image captioning, Speech synthesis, Text-to-speech (TTS), Video, Video classification
Training compute
3.3×10²² FLOP
Compute estimation method
Operation counting
Parameters
11,000,000,000
Dataset size
500B
Model accessibility
Open weights (restricted use)
Open weights
Yes
Epoch confidence
Likely
More from Baichuan
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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