AI models
Arcee Trinity Large
Training compute
1.3×10²⁴ FLOP
Parameters
398B
Published
Feb 19, 2026
Arcee Trinity Large is an AI model developed by Prime Intellect and Arcee AI (United States), first published in February 2026. It works in the language domain, on tasks such as language modeling/generation.
Training it took an estimated 1.3×10²⁴ FLOP of compute. The model has 398,000,000,000 parameters. Training ran on NVIDIA B300 (Blackwell Ultra).
Access: Open weights (restricted use). Its weights are openly available. Epoch AI rates the confidence of this record as likely.
Full record
- Organization
- Prime Intellect, Arcee AI
- Country of organization
- United States
- Domain
- Language
- Task
- Language modeling/generation
- Training compute
- 1.3×10²⁴ FLOP
- Parameters
- 398,000,000,000
- Training hardware
- NVIDIA B300 (Blackwell Ultra)
- Model accessibility
- Open weights (restricted use)
- Open weights
- Yes
- Epoch confidence
- Likely
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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