What the evidence says
- Developer
- OpenAI
- Released
- February 27, 2025
- Domains
- Language · Vision · Multimodal
- Tasks
- Language modeling/generation · Question answering · Quantitative reasoning · Translation · Visual question answering · Code generation · Instruction interpretation
- Access
- API access
- Weights
- Closed weights
Common questions
What is GPT-4.5?
GPT-4.5 is a OpenAI model released February 27, 2025, according to Epoch AI's reviewed catalog record. The record classifies it under language, vision, multimodal.
How does GPT-4.5 rank on LMArena?
No board Model Gauntlet mirrors currently lists this exact model revision under a reviewed identity, so no rating is reported here.
What does GPT-4.5 cost?
No reviewed source carries pricing for this record, so no price is reported here.