Calculator/OpenAI/GPT-5 Nano
OA

GPT-5 Nano

by OpenAIWebsite
classificationroutingbudget

Input

$0.05/MTok

Output

$0.40/MTok

Cached Input

$0.0050/MTok

with caching

Batch Input

$0.03/MTok

batch API

Specifications

Context Window

400K context

Max Output

16K tokens

Caching

Supported

Batch API

Supported

Vision

Supported

Tool Use

Supported

Cost Examples

Single chat message

500 input + 300 output tokens

$0.000145/request

Code review

5,000 input + 2,000 output tokens

$0.0011/request

Document summary

50,000 input + 1,000 output tokens

$0.0029/request

100 requests/day

1,000 input + 500 output × 30 days

$0.75/month

Compare GPT-5 Nano

See how GPT-5 Nano stacks up against Mistral Small 3.2 24B and Llama 4 Scout.