Large Language ModelText Generation

GPT-4.5

OpenAI's GPT-4.5 preview model

Released 2025-02-27

Context Window

128K

API Access

Available

Benchmark Performance

reasoning

reasoning

Massive Multitask Language Understanding

91.0%

coding

coding

HumanEval

91.5%

conversation

conversation

Chatbot Arena Elo

1439.0Elo