OpenAI

38 models

OpenAI offers 38 AI models available through API providers. 4 of these are completely free. Pricing starts at $0.05/1M input tokens. Their top-rated model is GPT-5.4 (xhigh) with an intelligence score of 57.2.

Total Models

Free Models

Cheapest Model

$0.05/1M

Top Intelligence

57.2

Top Models by Intelligence

GPT-5.4 (xhigh)

IQ57.2$2.50/1M

GPT-5.3 Codex (xhigh)

IQ54.0$1.75/1M

GPT-5.2 (xhigh)

IQ51.3$1.75/1M

Free only

Showing 38 of 38 models

Model	Provider	Context	Max Output	Input $/1M	Output $/1M
GPT-3.5 Turbo	OpenAI	16K	N/A	$0.50	$1.50
GPT-4	OpenAI	8K	N/A	$30	$60
GPT-4 Turbo	OpenAI	128K	N/A	$10	$30
GPT-4.1	OpenAI	1.0M	N/A	$2.00	$8.00
GPT-4.1 mini	OpenAI	1.0M	N/A	$0.40	$1.60
GPT-4.1 nano	OpenAI	1.0M	N/A	$0.10	$0.40
GPT-4.5 (Preview)	OpenAI	N/A	N/A	Free	Free
GPT-4o (Aug '24)	OpenAI	N/A	N/A	$2.50	$10
GPT-4o (ChatGPT)	OpenAI	N/A	N/A	Free	Free
GPT-4o (March 2025, chatgpt-4o-latest)	OpenAI	N/A	N/A	Free	Free
GPT-4o mini	OpenAI	N/A	N/A	$0.15	$0.60
GPT-5 (ChatGPT)	OpenAI	N/A	N/A	$1.25	$10
GPT-5 (high)	OpenAI	N/A	N/A	$1.25	$10
GPT-5 (minimal)	OpenAI	N/A	N/A	$1.25	$10
GPT-5 Codex (high)	OpenAI	N/A	N/A	$1.25	$10
GPT-5 mini (high)	OpenAI	N/A	N/A	$0.25	$2.00
GPT-5 mini (minimal)	OpenAI	N/A	N/A	$0.25	$2.00
GPT-5 nano (high)	OpenAI	N/A	N/A	$0.05	$0.40
GPT-5 nano (minimal)	OpenAI	N/A	N/A	$0.05	$0.40
GPT-5.1 (high)	OpenAI	N/A	N/A	$1.25	$10
GPT-5.1 Codex (high)	OpenAI	N/A	N/A	$1.25	$10
GPT-5.1 Codex mini (high)	OpenAI	N/A	N/A	$0.25	$2.00
GPT-5.2 (xhigh)	OpenAI	N/A	N/A	$1.75	$14
GPT-5.2 Codex (xhigh)	OpenAI	N/A	N/A	$1.75	$14
GPT-5.3 Codex (xhigh)	OpenAI	N/A	N/A	$1.75	$14
GPT-5.4 (xhigh)	OpenAI	N/A	N/A	$2.50	$15
GPT-5.4 mini (xhigh)	OpenAI	N/A	N/A	$0.75	$4.50
GPT-5.4 nano (xhigh)	OpenAI	N/A	N/A	$0.20	$1.25
gpt-oss-120B (high)	OpenAI	N/A	N/A	$0.15	$0.60
gpt-oss-20B (high)	OpenAI	N/A	N/A	$0.06	$0.20
o1	OpenAI	200K	N/A	$15	$60
o1-mini	OpenAI	N/A	N/A	Free	Free
o1-preview	OpenAI	N/A	N/A	$17	$66
o1-pro	OpenAI	200K	N/A	$150	$600
o3	OpenAI	200K	N/A	$2.00	$8.00
o3-mini	OpenAI	N/A	N/A	$1.10	$4.40
o3-pro	OpenAI	N/A	N/A	$20	$80
o4-mini (high)	OpenAI	N/A	N/A	$1.10	$4.40

GPT-3.5 Turbo OpenAI

Context

16K

Max Output

N/A

Input $/1M

$0.50

Output $/1M

$1.50

GPT-4 OpenAI

Context

Max Output

N/A

Input $/1M

$30

Output $/1M

$60

GPT-4 Turbo OpenAI

Context

128K

Max Output

N/A

Input $/1M

$10

Output $/1M

$30

GPT-4.1 OpenAI

Context

1.0M

Max Output

N/A

Input $/1M

$2.00

Output $/1M

$8.00

GPT-4.1 mini OpenAI

Context

1.0M

Max Output

N/A

Input $/1M

$0.40

Output $/1M

$1.60

GPT-4.1 nano OpenAI

Context

1.0M

Max Output

N/A

Input $/1M

$0.10

Output $/1M

$0.40

GPT-4.5 (Preview)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

Free

Output $/1M

Free

GPT-4o (Aug '24)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$2.50

Output $/1M

$10

GPT-4o (ChatGPT)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

Free

Output $/1M

Free

GPT-4o (March 2025, chatgpt-4o-latest)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

Free

Output $/1M

Free

GPT-4o mini OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$0.15

Output $/1M

$0.60

GPT-5 (ChatGPT)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$1.25

Output $/1M

$10

GPT-5 (high)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$1.25

Output $/1M

$10

GPT-5 (minimal)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$1.25

Output $/1M

$10

GPT-5 Codex (high)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$1.25

Output $/1M

$10

GPT-5 mini (high)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$0.25

Output $/1M

$2.00

GPT-5 mini (minimal)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$0.25

Output $/1M

$2.00

GPT-5 nano (high)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$0.05

Output $/1M

$0.40

GPT-5 nano (minimal)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$0.05

Output $/1M

$0.40

GPT-5.1 (high)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$1.25

Output $/1M

$10

GPT-5.1 Codex (high)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$1.25

Output $/1M

$10

GPT-5.1 Codex mini (high)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$0.25

Output $/1M

$2.00

GPT-5.2 (xhigh)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$1.75

Output $/1M

$14

GPT-5.2 Codex (xhigh)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$1.75

Output $/1M

$14

GPT-5.3 Codex (xhigh)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$1.75

Output $/1M

$14

GPT-5.4 (xhigh)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$2.50

Output $/1M

$15

GPT-5.4 mini (xhigh)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$0.75

Output $/1M

$4.50

GPT-5.4 nano (xhigh)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$0.20

Output $/1M

$1.25

gpt-oss-120B (high)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$0.15

Output $/1M

$0.60

gpt-oss-20B (high)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$0.06

Output $/1M

$0.20

o1 OpenAI

Context

200K

Max Output

N/A

Input $/1M

$15

Output $/1M

$60

o1-mini OpenAI

Context

N/A

Max Output

N/A

Input $/1M

Free

Output $/1M

Free

o1-preview OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$17

Output $/1M

$66

o1-pro OpenAI

Context

200K

Max Output

N/A

Input $/1M

$150

Output $/1M

$600

o3 OpenAI

Context

200K

Max Output

N/A

Input $/1M

$2.00

Output $/1M

$8.00

o3-mini OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$1.10

Output $/1M

$4.40

o3-pro OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$20

Output $/1M

$80

o4-mini (high)OpenAI

Context

N/A

Max Output

N/A

Input $/1M

$1.10

Output $/1M

$4.40

Frequently Asked Questions

How many AI models does OpenAI offer?

OpenAI currently offers 38 AI models available through API providers.

Does OpenAI have free AI models?

Yes, OpenAI offers 4 free models with no API cost.

What is OpenAI's best AI model?

Based on intelligence benchmarks, GPT-5.4 (xhigh) is currently OpenAI's highest-rated model on AIToolRank.

How much do OpenAI AI models cost?

OpenAI model pricing starts at $0.05/1M input tokens. Free models are also available.

Explore More

Pricing Comparison Leaderboard Best Free Models Best Cheap Models Compare Models Cost Calculator