OpenAIExact tokenizer

GPT-5 Pro API price

OpenAI charges $15 per 1M input tokens and $120 per 1M output tokens. Context window 400,000 tokens. A 10k-in / 2k-out request is about $0.3900.

Input$15 / 1M

Output$120 / 1M

Blended$41.25 / 1M

Context400,000

10k + 2k$0.3900

100k + 8k$2.4600

Weigh with GPT-5 Pro Compare

Who uses GPT-5 Pro

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

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