GPT-5 Nano (batch)

Name: OpenAI: GPT-5 Nano (batch)
Brand: openai
SKU: openai/gpt-5-nano:batch
Price: 0.0275 USD
Availability: InStock

openai/gpt-5-nano:batch

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.

$0.0275 in · $0.22 out per 1M tokens400k contextAug 7, 2025

about 0.01¢ a message

A typical message: about 500 tokens you send and 500 it writes.

Chat with GPT-5 Nano (batch)

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Also:gpt-5-nano

Spec sheet

Published facts from the catalog, billed prices and what we measured here. Anything not measured says so.

Price, billed here

Input, per 1M tokens: $0.0275provider $0.025
Output, per 1M tokens: $0.22provider $0.20
Cached input, per 1M: $0.00275provider $0.0025
Margin: +10%

Context and formats

Context window: 400,000 tokens
Longest answer: 128,000 tokens
Reads: text, images, and files
Makes: text
First listed: 2025-08-07

Measured here, last 7 days

First token, median: not measured
Answered without error: not measured

Tools and JSON

Tool calling: declaredthe provider's claim, not yet measured here
JSON output: declaredthe provider's claim, not yet measured here

Price and latency history as JSON: GET /api/planet/history?id=openai/gpt-5-nano:batch.

About

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...

In OpenAI's words.

Try it here

Cmd+Enter sends

The answer appears here.

Measured here

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Call it

Use one OpenAI compatible endpoint, this model's id and an am_live_ key from the dashboard. You can also try it in chat first with no key.

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

Everything else is in the docs.

Embed this

A badge showing this model's live price per million tokens, as billed here, for a README or a site. It links back to this page.

<a href="https://useantimatter.com/planet/openai/gpt-5-nano%3Abatch"><img src="https://useantimatter.com/api/badge/price?id=openai%2Fgpt-5-nano%3Abatch" alt="GPT-5 Nano (batch) price on Antimatter" height="28"></a>

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