AI Model API Prices: Compare Relays

Every AI model sold by at least one third-party platform or relay, priced per 1M tokens at its cheapest pay-as-you-go group. Open one to compare them all.

Vendor

658 models

Data updated 10/10/2026, 08:16 AM UTC

Model	Input / Output (per 1M tokens)	vs. official	Cheapest at	Listings
gpt-5-fast	—	—	—	1 relay
gpt-5-flex	—	—	—	1 relay
gpt-5-mini-fast	—	—	—	1 relay
GPT-5.1 Chat	$16.77 / $100.64	—	Apilio	1 relay
GPT-5.1-Codex (2025-11-13)	$11.18 / $67.09	—	Apilio	1 relay
GPT-5.2 Chat	$16.77 / $100.64	—	Apilio	1 relay
GPT-5.2 Chat (2025-12-11)	$16.77 / $100.64	—	Apilio	1 relay
GPT-5.2-Codex (2026-01-14)	$11.18 / $67.09	—	Apilio	1 relay
GPT-5.3-Codex (2026-02-24)	$11.18 / $67.09	—	Apilio	1 relay
GPT-5.5 Instant	$16.77 / $100.64	—	Apilio	1 relay
gpt-5.6-luna-pro	$33.55 / $201.29	—	Apilio	1 relay
gpt-5.6-sol-pro	$33.55 / $201.29	—	Apilio	1 relay
gpt-5.6-terra-pro	$33.55 / $201.29	—	Apilio	1 relay
GPT-6	—	—	—	1 relay

gpt-5-fast1 relay
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—
gpt-5-flex1 relay
——
—
gpt-5-mini-fast1 relay
——
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GPT-5.1 Chat1 relay
$16.77 / $100.64—
Cheapest at Apilio
GPT-5.1-Codex (2025-11-13)1 relay
$11.18 / $67.09—
Cheapest at Apilio
GPT-5.2 Chat1 relay
$16.77 / $100.64—
Cheapest at Apilio
GPT-5.2 Chat (2025-12-11)1 relay
$16.77 / $100.64—
Cheapest at Apilio
GPT-5.2-Codex (2026-01-14)1 relay
$11.18 / $67.09—
Cheapest at Apilio
GPT-5.3-Codex (2026-02-24)1 relay
$11.18 / $67.09—
Cheapest at Apilio
GPT-5.5 Instant1 relay
$16.77 / $100.64—
Cheapest at Apilio
gpt-5.6-luna-pro1 relay
$33.55 / $201.29—
Cheapest at Apilio
gpt-5.6-sol-pro1 relay
$33.55 / $201.29—
Cheapest at Apilio
gpt-5.6-terra-pro1 relay
$33.55 / $201.29—
Cheapest at Apilio
GPT-61 relay
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"vs. official" only appears when the model has an official list price. Different spellings of the same model (case, date suffixes) are separate entries on the platforms and are listed as-is here.

Data is for reference only. Listing does not imply endorsement or guarantee.View Disclaimer