Solar Open 100B

Training compute

1.4×10²⁴ FLOP

Parameters

102B

Published

Dec 31, 2025

Solar Open 100B is an AI model developed by Upstage (South Korea), first published in December 2025. It works in the language domain, on tasks such as language modeling/generation and chat.

Training it took an estimated 1.4×10²⁴ FLOP of compute. The model has 102,000,000,000 parameters. It was trained on roughly 19.7T datapoints.

Access: API access. Its weights are not openly released. Epoch AI rates the confidence of this record as confident.

Full record

Organization: Upstage
Country of organization: South Korea
Domain: Language
Task: Language modeling/generation, Chat
Training compute: 1.4×10²⁴ FLOP
Parameters: 102,000,000,000
Dataset size: 19.7T
Training time: 1,572 h
Model accessibility: API access
Open weights: No
Epoch confidence: Confident