Home / OpenAI / GPT-5 nano (High)

GPT-5 nano (High)+2 tiers

GPT-5 nano (High) is developed by OpenAI, released 2025-08-07.

Also written as: GPT 5 nano (High)

Reasoning-effort tiers merged. This page shows the highest-intelligence tier. It merges 3 tiers of the same model: GPT-5 nano (High), GPT-5 nano (Medium), GPT-5 nano (Minimal).
Input price
$0.05 / 1M tok
Output price
$0.40 / 1M tok
Blended price
$0.138 / 1M tok
Intelligence
13.0
60th percentile of 554 models with an Intelligence score
Coding
—
Math
83.7
Speed
—
Time to first token
—

Third-party resale listings

Captured 2026-10-20 from the reseller marketplace subrouter.ai's public pricing list. These are third-party resale prices, not OpenAI's official price. Many resellers use shared/subscription access or reverse-engineered integrations — availability and quality are not verified by this site. Prices are USD per 1M tokens. Reseller names are the marketplace's own listing IDs, not company names — none of them is OpenAI or any other model developer.

1 reseller passed our sanity checks against OpenAI's official price; cheapest trusted price $0.0825/1M blended.

Reseller (marketplace ID)Input $/1MOutput $/1MBlended $/1Mvs. official
xcgx 0.03 0.24 0.0825 60%

Resale listings: subrouter.ai public marketplace snapshot 2026-10-20.

Official pricing from OpenAI. See the third-party resale listings above for reseller prices — those are not official and not verified by this site.

See all of OpenAI's models on its provider page, or browse the full model directory.