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

Home / OpenAI / GPT 5 Mini (latest)

GPT 5 Mini (latest) API price

openai/gpt-5-mini

The cheapest GPT 5 Mini (latest) API is $0.25/M input at Official - OpenAI - all 4 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 Mini (08-07 snapshot).

SmallOpenAI400K context4 sellers
Input $0.25 per 1M tokens · Official - OpenAI
Output $2.00 per 1M tokens · Official - OpenAI

Where to buy it

Cheapest GPT 5 Mini (latest) API providers compared - 4 sellers, from $0.25/M.

ProviderInput $/MOutput $/MCached in
Official - OpenAI0.250cheapest2.000.025
Batch0.1251.000.013
Flex0.1251.000.013
Priority0.4503.600.045
OpenRouter (aggregator)0.2502.000.025
OrcaRouter (aggregator)0.2502.00-
TokenRouter (aggregator)0.2502.000.025

Against its tier

#14 of 18 small · cheaper than 24%

Details

Context window
400K400,000 tokens
Developer
OpenAI
Intelligence
31.6medium
Sellers
4
Cached input
$0.025where the source publishes one
Cheapest at
Official - OpenAI
Combined
$2.25in + out per 1M
Last checked
2026-08-28

More from OpenAI

Other small-tier models

← All OpenAI models