Live
AI models

InternLM2.5

Parameters
20B
Published
Aug 1, 2024

InternLM2.5 is an AI model developed by Shanghai AI Lab (China), first published in August 2024. It works in the language domain, on tasks such as language modeling/generation and question answering.

Epoch AI has no training-compute estimate for this model. The model has 20,000,000,000 parameters.

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

Full record
Organization
Shanghai AI Lab
Country of organization
China
Domain
Language
Task
Language modeling/generation, Question answering
Parameters
20,000,000,000
Model accessibility
Open weights (restricted use)
Open weights
Yes
Epoch confidence
Confident
More from Shanghai AI Lab
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