GPT-5 Nano

openai/gpt-5-nano

GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...

Input

$0.065 / 1M tokens

Output

$0.52 / 1M tokens

Context

400K tokens

Capabilities

✓ Streaming✓ Tool / function calling✓ JSON / structured output✓ Vision (image input)

Call this model

Pass openai/gpt-5-nano as the model. Change only the base URL from your existing OpenAI SDK setup.

quickstart.sh

curl https://modeldatabase.com/v1/chat/completions \
  -H "Authorization: Bearer $MDB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5-nano",
    "messages": [{"role":"user","content":"Hello!"}]
  }'

Prices are final — the routing margin is already included. See the full pricing table or the API docs.