OpenAIExact tokenizer

GPT-4o API price

OpenAI charges $2.5 per 1M input tokens and $10 per 1M output tokens. Context window 128,000 tokens. A 10k-in / 2k-out request is about $0.0450.

Input$2.5 / 1M

Output$10 / 1M

Blended$4.38 / 1M

Context128,000

10k + 2k$0.0450

100k + 8k$0.3300

Weigh with GPT-4o Compare

Who uses GPT-4o

Catalog prompts in the same model family, plus coding agents from this provider.

Cursor-style agent Generative UI builder In-browser IDE agent General chat assistant Cloud IDE agent Research browser assistant Codex Devin Fusion CLI Codex Codex

More from OpenAI

GPT-5.4 GPT-5.4 mini GPT-5 GPT-5 Pro o3 o4-mini