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Orca 2-13B

Training compute
4.6×10²² FLOP
Parameters
13B
Published
Nov 21, 2023

Orca 2-13B is an AI model developed by Microsoft Research (United States), first published in November 2023. It works in the language domain, on tasks such as language modeling/generation and question answering.

Training it took an estimated 4.6×10²² FLOP of compute (estimation method: hardware). The model has 13,000,000,000 parameters. Training ran on NVIDIA A100 SXM4 80 GB for about 80 hours.

Access: Open weights (non-commercial). Its weights are openly available. It is built on top of LLaMA-13B. The reference paper has 202 citations. Epoch AI rates the confidence of this record as confident.

Full record
Organization
Microsoft Research
Country of organization
United States
Domain
Language
Task
Language modeling/generation, Question answering
Training compute
4.6×10²² FLOP
Compute estimation method
Hardware
Parameters
13,000,000,000
Training hardware
NVIDIA A100 SXM4 80 GB
Training time
80 h
Model accessibility
Open weights (non-commercial)
Open weights
Yes
Base model
LLaMA-13B
Citations
202
Epoch confidence
Confident
More from Microsoft 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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