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GPT-4.5

OpenAIFrontier

GPT-4.5 by OpenAI costs per 1M input tokens and per 1M output tokens, with a -token context window.

Pricing

Input (per 1M tokens)
Output (per 1M tokens)
Cached input (per 1M)

Specifications

Provider
OpenAI
Context window
Parameters
Released
Feb 2025
Open weights
No
Frontier model
Yes

Benchmarks

Aider Polyglotcoding
44.9
LMArena (Chatbot Arena) Elohuman-preference
1417.4

Compare GPT-4.5 with…

FAQ

Pricing is per 1M tokens (USD); confirm with the provider before production use.