OpenAI · LLM
GPT-3.5
Instruction-tuned refresh of GPT-3 that powered the original ChatGPT launch.
Capabilities
- ▸instruction following
- ▸chat
Use cases
chatgpt · assistants
Lineage
View the full GPT lineage →Go deeper
Sources & verification
Information is compiled from official announcements, documentation and reputable industry coverage.
Last verified Sep 10, 2026