GPT-5 nano
Fastest, cheapest GPT-5.
Input / 1M
$0.05
OpenAI
Output / 1M
$0.4
Cached input
$0.005
discounted reads
Context
400K
128K max output
Price history
input unchanged · verified 2h agoPrice changes
no changes recorded yetNo rate changes have been recorded since this model was added. New entries appear here automatically whenever a pricing sync updates a rate.
Specifications
- Provider
- OpenAI
- Model ID
- gpt-5-nano
- Modality
- text+image
- Context window
- 400K tokens
- Max output
- 128K tokens
- Tokenizer family
- o200k
Cost at similar prices
10,000 requests/month · 2000 in / 600 out tokens
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