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Mamba 2, 2.7B

Training compute
4.9×10²¹ FLOP
Parameters
2.7B
Published
May 31, 2024

Mamba 2, 2.7B is an AI model developed by Princeton University and Carnegie Mellon University (CMU) (United States), first published in May 2024. It works in the language domain, on tasks such as language modeling/generation and question answering.

Training it took an estimated 4.9×10²¹ FLOP of compute (estimation method: operation counting). The model has 2,700,000,000 parameters.

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

Full record
Organization
Princeton University, Carnegie Mellon University (CMU)
Country of organization
United States
Domain
Language
Task
Language modeling/generation, Question answering
Training compute
4.9×10²¹ FLOP
Compute estimation method
Operation counting
Parameters
2,700,000,000
Model accessibility
Open weights (unrestricted)
Open weights
Yes
Epoch confidence
Confident
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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