LLM API PricesUpdated 2026-08-28 05:27:58 UTC

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GPT 5 Nano (latest) API price

openai/gpt-5-nano

The cheapest GPT 5 Nano (latest) API is $0.05/M input at Official - OpenAI - all 3 providers compared below, per 1M tokens.

Rolling name - always points to the newest snapshot of this model. The pinned snapshots are priced separately: GPT 5 Nano (08-07 snapshot).

SmallOpenAI400K context3 sellers
Input $0.05 per 1M tokens · Official - OpenAI
Output $0.40 per 1M tokens · Official - OpenAI

Where to buy it

Cheapest GPT 5 Nano (latest) API providers compared - 3 sellers, from $0.05/M.

ProviderInput $/MOutput $/MCached in
Official - OpenAI0.050cheapest0.4000.0050
Batch0.0250.2000.0025
Flex0.0250.2000.0025
OpenRouter (aggregator)0.0500.4000.0050
OrcaRouter (aggregator)0.0500.400-

Against its tier

#7 of 18 small · cheaper than 65%

Details

Context window
400K400,000 tokens
Developer
OpenAI
Intelligence
20.1high
Sellers
3
Cached input
$0.005where the source publishes one
Cheapest at
Official - OpenAI
Combined
$0.45in + out per 1M
Last checked
2026-08-28

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