OpenAI

Gpt 5 Chat Latest

gpt-5-chat-latest

Input price
$1.25
per 1M tokens
Output price
$10.00
per 1M tokens
Context window
128K
tokens

Cost examples

Token count Input cost Output cost Combined
1K tokens < $0.01 $0.01 $0.0113
10K tokens $0.0125 $0.1 $0.1125
100K tokens $0.125 $1 $1.125
1M tokens $1.25 $10 $11.25

Combined column assumes equal input and output tokens. Actual costs depend on your prompt-to-completion ratio.

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