What is the cheapest OpenAI model?

text-embedding-3-small is currently OpenAI's cheapest paid tracked model at $0.02 per 1M input tokens.

How many OpenAI models are tracked?

24 current OpenAI models are tracked, each linked to the official pricing page. The dataset is refreshed twice daily.

Does OpenAI offer cached-input pricing?

OpenAI lists cached-input (prompt-caching) prices for 21 tracked models — cached input is billed at a discount when a prompt prefix repeats.

OpenAI

Commercial provider · 24 models tracked · Founded 2015

Maker of GPT and the OpenAI API. Offers frontier models (GPT-5.5, GPT-5.4), reasoning (o4-mini), and the open-source gpt-oss family.

OpenAI pricing at a glanceAugust 2026 · $ per 1M tokens

OpenAI API pricing (August 2026): 24 current models range from $0.020 to $30.00 per 1M input tokens and $0.400 to $180.00 per 1M output tokens. The cheapest paid model is text-embedding-3-small at $0.020/1M input; the priciest is GPT-5.4 Pro at $30.00/1M input / $180.00 output. Every price links to OpenAI's official pricing page and refreshes twice daily.

Models24

Input range$0.020–$30.00

Output range$0.400–$180.00

Cached-input tiers21

Today's OpenAI prices

24 models · cheapest blended first

Sorted by blended cost (cheapest first). Prices per 1M tokens, August 2026 — every price links to OpenAI's official pricing page.

Current OpenAI model prices per 1M tokens, sorted by blended cost
Model	Blended*	Input	Output	Cached in	Context	Status
text-embedding-3-small	$0.020	$0.020	$—	—	8K	Current
text-embedding-3-large	$0.130	$0.130	$—	—	8K	Current
GPT-4.1 nano	$0.175	$0.100	$0.400	$0.025	1M	Deprecated
GPT-5.6 Luna	$0.450	$0.200	$1.20	$0.020	1M	Current
GPT-5.4 nano	$0.463	$0.200	$1.25	$0.020	400K	Current
GPT-4.1 mini	$0.700	$0.400	$1.60	$0.100	1M	Current
GPT-5.4 mini	$1.69	$0.750	$4.50	$0.075	1M	Current
o3-mini	$1.93	$1.10	$4.40	$0.550	200K	Deprecated
o4-mini	$1.93	$1.10	$4.40	$0.275	200K	Deprecated
GPT-4.1	$3.50	$2.00	$8.00	$0.500	1M	Current
GPT-5.6 Terra	$4.50	$2.00	$12.00	$0.200	1M	Current
GPT-5.3 Chat	$4.81	$1.75	$14.00	$0.175	128K	Current
GPT-5.3 Codex	$4.81	$1.75	$14.00	$0.175	400K	Current
GPT-5.2	$4.81	$1.75	$14.00	$0.175	400K	Current
GPT-5.2 Codex	$4.81	$1.75	$14.00	$0.175	400K	Current
GPT-5.2 Chat	$4.81	$1.75	$14.00	$0.175	128K	Current
GPT-5.4	$5.63	$2.50	$15.00	$0.250	1M	Current
GPT-Realtime-2	$9.00	$4.00	$24.00	$0.400	128K	Current
GPT-5.5	$11.25	$5.00	$30.00	$0.500	1M	Current
GPT-5.6 Sol	$11.25	$5.00	$30.00	$0.500	1M	Current
GPT-Image-2	$13.50	$8.00	$30.00	$2.00	128K	Current
GPT-5.2 Pro	$57.75	$21.00	$168.00	—	400K	Current
GPT-5.5 Pro	$67.50	$30.00	$180.00	$3.00	1M	Current
GPT-5.4 Pro	$67.50	$30.00	$180.00	$3.00	1M	Current

* Blended = (3×input + 1×output) ÷ 4 $/1M tokens · cheap · mid · expensive MODELPRICEWATCH.COM · 2026-08-09

Quick stats

Models tracked: 24
Type: commercial
Founded: 2015
Cheapest model: text-embedding-3-small
Cheapest blended: $0.020/M

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