GPT-4.5 Preview
by OpenAI · ID gpt-4.5-preview · Released 2025-02 · Proprietary
1445
ELO Score
-
MMLU
88
HumanEval
128K
Context Window
$75.00
Input Price
About GPT-4.5 Preview
OpenAI's largest and most knowledgeable non-reasoning model with broad world knowledge and reduced hallucinations. Arena text score 1445 (gpt-4.5-preview-2025-02-27, 14,547 votes), leaderboard of 13 September 2026.
Not sure where to find it? Search query: "GPT-4.5 Preview official"