Reference 2026-08-01 01:00 UTC to 2026-08-03 21:58 UTC

4 4 

5### All Models5### All Models

6 6 

7- `AllModels = string or "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 78 more or "o1-pro" or "o1-pro-2025-03-19" or "o3-pro" or 11 more`7- `AllModels = string or "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 79 more or "o1-pro" or "o1-pro-2025-03-19" or "o3-pro" or 11 more`

8 8 

9 - `string`9 - `string`

10 10 

11 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 78 more`11 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 79 more`

12 12 

13 - `"gpt-5.6-sol"`13 - `"gpt-5.6-sol"`

14 14 

16 16 

17 - `"gpt-5.6-luna"`17 - `"gpt-5.6-luna"`

18 18 

19 - `"gpt-5.5"`

20 

19 - `"gpt-5.4"`21 - `"gpt-5.4"`

20 22 

21 - `"gpt-5.4-mini"`23 - `"gpt-5.4-mini"`

641 643 

642### Responses Model644### Responses Model

643 645 

644- `ResponsesModel = string or "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 78 more or "o1-pro" or "o1-pro-2025-03-19" or "o3-pro" or 11 more`646- `ResponsesModel = string or "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 79 more or "o1-pro" or "o1-pro-2025-03-19" or "o3-pro" or 11 more`

645 647 

646 - `string`648 - `string`

647 649 

648 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 78 more`650 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 79 more`

649 651 

650 - `"gpt-5.6-sol"`652 - `"gpt-5.6-sol"`

651 653 

653 655 

654 - `"gpt-5.6-luna"`656 - `"gpt-5.6-luna"`

655 657 

658 - `"gpt-5.5"`

659 

656 - `"gpt-5.4"`660 - `"gpt-5.4"`

657 661 

658 - `"gpt-5.4-mini"`662 - `"gpt-5.4-mini"`

4899 Keys are strings with a maximum length of 64 characters. Values are strings4899 Keys are strings with a maximum length of 64 characters. Values are strings

4900 with a maximum length of 512 characters.4900 with a maximum length of 512 characters.

4901 4901 

4902 - `model: "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 92 more or string`4902 - `model: "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 93 more or string`

4903 4903 

4904 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI4904 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI

4905 offers a wide range of models with different capabilities, performance4905 offers a wide range of models with different capabilities, performance

4906 characteristics, and price points. Refer to the [model guide](/docs/models)4906 characteristics, and price points. Refer to the [model guide](/docs/models)

4907 to browse and compare available models.4907 to browse and compare available models.

4908 4908 

4909 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 92 more`4909 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 93 more`

4910 4910 

4911 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI4911 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI

4912 offers a wide range of models with different capabilities, performance4912 offers a wide range of models with different capabilities, performance

4919 4919 

4920 - `"gpt-5.6-luna"`4920 - `"gpt-5.6-luna"`

4921 4921 

4922 - `"gpt-5.5"`

4923 

4922 - `"gpt-5.4"`4924 - `"gpt-5.4"`

4923 4925 

4924 - `"gpt-5.4-mini"`4926 - `"gpt-5.4-mini"`

14 14 

15### Body Parameters15### Body Parameters

16 16 

17- `model: "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 92 more or string or null`17- `model: "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 93 more or string or null`

18 18 

19 Model ID used to generate the response, like `gpt-5` or `o3`. OpenAI offers a wide range of models with different capabilities, performance characteristics, and price points. Refer to the [model guide](/docs/models) to browse and compare available models.19 Model ID used to generate the response, like `gpt-5` or `o3`. OpenAI offers a wide range of models with different capabilities, performance characteristics, and price points. Refer to the [model guide](/docs/models) to browse and compare available models.

20 20 

21 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 92 more`21 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 93 more`

22 22 

23 Model ID used to generate the response, like `gpt-5` or `o3`. OpenAI offers a wide range of models with different capabilities, performance characteristics, and price points. Refer to the [model guide](/docs/models) to browse and compare available models.23 Model ID used to generate the response, like `gpt-5` or `o3`. OpenAI offers a wide range of models with different capabilities, performance characteristics, and price points. Refer to the [model guide](/docs/models) to browse and compare available models.

24 24 

28 28 

29 - `"gpt-5.6-luna"`29 - `"gpt-5.6-luna"`

30 30 

31 - `"gpt-5.5"`

32 

31 - `"gpt-5.4"`33 - `"gpt-5.4"`

32 34 

33 - `"gpt-5.4-mini"`35 - `"gpt-5.4-mini"`

4907 Keys are strings with a maximum length of 64 characters. Values are strings4907 Keys are strings with a maximum length of 64 characters. Values are strings

4908 with a maximum length of 512 characters.4908 with a maximum length of 512 characters.

4909 4909 

4910- `model: optional "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 92 more or string`4910- `model: optional "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 93 more or string`

4911 4911 

4912 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI4912 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI

4913 offers a wide range of models with different capabilities, performance4913 offers a wide range of models with different capabilities, performance

4914 characteristics, and price points. Refer to the [model guide](/docs/models)4914 characteristics, and price points. Refer to the [model guide](/docs/models)

4915 to browse and compare available models.4915 to browse and compare available models.

4916 4916 

4917 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 92 more`4917 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 93 more`

4918 4918 

4919 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI4919 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI

4920 offers a wide range of models with different capabilities, performance4920 offers a wide range of models with different capabilities, performance

4927 4927 

4928 - `"gpt-5.6-luna"`4928 - `"gpt-5.6-luna"`

4929 4929 

4930 - `"gpt-5.5"`

4931 

4930 - `"gpt-5.4"`4932 - `"gpt-5.4"`

4931 4933 

4932 - `"gpt-5.4-mini"`4934 - `"gpt-5.4-mini"`

11587 Keys are strings with a maximum length of 64 characters. Values are strings11589 Keys are strings with a maximum length of 64 characters. Values are strings

11588 with a maximum length of 512 characters.11590 with a maximum length of 512 characters.

11589 11591 

11590 - `model: "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 92 more or string`11592 - `model: "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 93 more or string`

11591 11593 

11592 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI11594 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI

11593 offers a wide range of models with different capabilities, performance11595 offers a wide range of models with different capabilities, performance

11594 characteristics, and price points. Refer to the [model guide](/docs/models)11596 characteristics, and price points. Refer to the [model guide](/docs/models)

11595 to browse and compare available models.11597 to browse and compare available models.

11596 11598 

11597 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 92 more`11599 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 93 more`

11598 11600 

11599 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI11601 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI

11600 offers a wide range of models with different capabilities, performance11602 offers a wide range of models with different capabilities, performance

11607 11609 

11608 - `"gpt-5.6-luna"`11610 - `"gpt-5.6-luna"`

11609 11611 

11612 - `"gpt-5.5"`

11613 

11610 - `"gpt-5.4"`11614 - `"gpt-5.4"`

11611 11615 

11612 - `"gpt-5.4-mini"`11616 - `"gpt-5.4-mini"`

4943 Keys are strings with a maximum length of 64 characters. Values are strings4943 Keys are strings with a maximum length of 64 characters. Values are strings

4944 with a maximum length of 512 characters.4944 with a maximum length of 512 characters.

4945 4945 

4946 - `model: "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 92 more or string`4946 - `model: "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 93 more or string`

4947 4947 

4948 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI4948 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI

4949 offers a wide range of models with different capabilities, performance4949 offers a wide range of models with different capabilities, performance

4950 characteristics, and price points. Refer to the [model guide](/docs/models)4950 characteristics, and price points. Refer to the [model guide](/docs/models)

4951 to browse and compare available models.4951 to browse and compare available models.

4952 4952 

4953 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 92 more`4953 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 93 more`

4954 4954 

4955 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI4955 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI

4956 offers a wide range of models with different capabilities, performance4956 offers a wide range of models with different capabilities, performance

4963 4963 

4964 - `"gpt-5.6-luna"`4964 - `"gpt-5.6-luna"`

4965 4965 

4966 - `"gpt-5.5"`

4967 

4966 - `"gpt-5.4"`4968 - `"gpt-5.4"`

4967 4969 

4968 - `"gpt-5.4-mini"`4970 - `"gpt-5.4-mini"`

442 442 

443 - `"function"`443 - `"function"`

444 444 

445- `model: string or "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 78 more`445- `model: string or "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 79 more`

446 446 

447 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI447 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI

448 offers a wide range of models with different capabilities, performance448 offers a wide range of models with different capabilities, performance

451 451 

452 - `string`452 - `string`

453 453 

454 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 78 more`454 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 79 more`

455 455 

456 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI456 Model ID used to generate the response, like `gpt-4o` or `o3`. OpenAI

457 offers a wide range of models with different capabilities, performance457 offers a wide range of models with different capabilities, performance

464 464 

465 - `"gpt-5.6-luna"`465 - `"gpt-5.6-luna"`

466 466 

467 - `"gpt-5.5"`

468 

467 - `"gpt-5.4"`469 - `"gpt-5.4"`

468 470 

469 - `"gpt-5.4-mini"`471 - `"gpt-5.4-mini"`

4163 4163 

4164 - `string`4164 - `string`

4165 4165 

4166 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 78 more`4166 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 79 more`

4167 4167 

4168 - `"gpt-5.6-sol"`4168 - `"gpt-5.6-sol"`

4169 4169 

4171 4171 

4172 - `"gpt-5.6-luna"`4172 - `"gpt-5.6-luna"`

4173 4173 

4174 - `"gpt-5.5"`

4175 

4174 - `"gpt-5.4"`4176 - `"gpt-5.4"`

4175 4177 

4176 - `"gpt-5.4-mini"`4178 - `"gpt-5.4-mini"`

8 8 

9### Body Parameters9### Body Parameters

10 10 

11- `model: "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 92 more or string or null`11- `model: "gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 93 more or string or null`

12 12 

13 Model ID used to generate the response, like `gpt-5` or `o3`. OpenAI offers a wide range of models with different capabilities, performance characteristics, and price points. Refer to the [model guide](/docs/models) to browse and compare available models.13 Model ID used to generate the response, like `gpt-5` or `o3`. OpenAI offers a wide range of models with different capabilities, performance characteristics, and price points. Refer to the [model guide](/docs/models) to browse and compare available models.

14 14 

15 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 92 more`15 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 93 more`

16 16 

17 Model ID used to generate the response, like `gpt-5` or `o3`. OpenAI offers a wide range of models with different capabilities, performance characteristics, and price points. Refer to the [model guide](/docs/models) to browse and compare available models.17 Model ID used to generate the response, like `gpt-5` or `o3`. OpenAI offers a wide range of models with different capabilities, performance characteristics, and price points. Refer to the [model guide](/docs/models) to browse and compare available models.

18 18 

22 22 

23 - `"gpt-5.6-luna"`23 - `"gpt-5.6-luna"`

24 24 

25 - `"gpt-5.5"`

26 

25 - `"gpt-5.4"`27 - `"gpt-5.4"`

26 28 

27 - `"gpt-5.4-mini"`29 - `"gpt-5.4-mini"`

4171 4171 

4172 - `string`4172 - `string`

4173 4173 

4174 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 78 more`4174 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 79 more`

4175 4175 

4176 - `"gpt-5.6-sol"`4176 - `"gpt-5.6-sol"`

4177 4177 

4179 4179 

4180 - `"gpt-5.6-luna"`4180 - `"gpt-5.6-luna"`

4181 4181 

4182 - `"gpt-5.5"`

4183 

4182 - `"gpt-5.4"`4184 - `"gpt-5.4"`

4183 4185 

4184 - `"gpt-5.4-mini"`4186 - `"gpt-5.4-mini"`

9916 9918 

9917 - `string`9919 - `string`

9918 9920 

9919 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 78 more`9921 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 79 more`

9920 9922 

9921 - `"gpt-5.6-sol"`9923 - `"gpt-5.6-sol"`

9922 9924 

9924 9926 

9925 - `"gpt-5.6-luna"`9927 - `"gpt-5.6-luna"`

9926 9928 

9929 - `"gpt-5.5"`

9930 

9927 - `"gpt-5.4"`9931 - `"gpt-5.4"`

9928 9932 

9929 - `"gpt-5.4-mini"`9933 - `"gpt-5.4-mini"`

4207 4207 

4208 - `string`4208 - `string`

4209 4209 

4210 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 78 more`4210 - `"gpt-5.6-sol" or "gpt-5.6-terra" or "gpt-5.6-luna" or 79 more`

4211 4211 

4212 - `"gpt-5.6-sol"`4212 - `"gpt-5.6-sol"`

4213 4213 

4215 4215 

4216 - `"gpt-5.6-luna"`4216 - `"gpt-5.6-luna"`

4217 4217 

4218 - `"gpt-5.5"`

4219 

4218 - `"gpt-5.4"`4220 - `"gpt-5.4"`

4219 4221 

4220 - `"gpt-5.4-mini"`4222 - `"gpt-5.4-mini"`