Live
AI models

WizardCoder-15.5B

Training compute
1.1×10²³ FLOP
Parameters
15.5B
Published
Jun 14, 2023

WizardCoder-15.5B is an AI model developed by Microsoft (United States), first published in June 2023. It works in the language domain, on tasks such as code generation.

Training it took an estimated 1.1×10²³ FLOP of compute (estimation method: operation counting). The model has 15,500,000,000 parameters. It was trained on roughly 209.7M datapoints.

Access: Open weights (restricted use). Its weights are openly available. It is built on top of StarCoder. The reference paper has 952 citations. Epoch AI rates the confidence of this record as likely.

Full record
Organization
Microsoft
Country of organization
United States
Domain
Language
Task
Code generation
Training compute
1.1×10²³ FLOP
Compute estimation method
Operation counting
Parameters
15,500,000,000
Dataset size
209.7M
Model accessibility
Open weights (restricted use)
Open weights
Yes
Base model
StarCoder
Citations
952
Epoch confidence
Likely
More from Microsoft
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