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GPT-3.5 Turbo

Parameters
20B
Published
Jun 13, 2023

GPT-3.5 Turbo is an AI model developed by OpenAI (United States), first published in June 2023. It works in the language domain, on tasks such as language modeling/generation, question answering and chat.

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

Access: API access. Its weights are not openly released. Epoch AI rates the confidence of this record as likely.

Full record
Organization
OpenAI
Country of organization
United States
Domain
Language
Task
Language modeling/generation, Question answering, Chat
Parameters
20,000,000,000
Model accessibility
API access
Open weights
No
Epoch confidence
Likely
Benchmark results
01Epoch Capabilities IndexECI Score118.3
More from OpenAI
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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