For AI agents: a documentation index is available at the root level at /llms.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
<Warning>
This API is marked as "Legacy" and is no longer maintained. Follow the [migration guide](https://docs.cohere.com/docs/migrating-from-cogenerate-to-cochat) to start using the Chat API.
</Warning>
Generates a summary in English for a given text.
Authentication
AuthorizationBearer
Bearer authentication of the form Bearer <token>, where token is your auth token.
Headers
X-Client-NamestringOptional
The name of the project that is making the request.
Request
textstringRequired250-50000 characters
The text to generate a summary for. Can be up to 100,000 characters long. Currently the only supported language is English.
lengthenumOptionalDefaults to medium
One of short, medium, long, or auto defaults to auto. Indicates the approximate length of the summary. If auto is selected, the best option will be picked based on the input text.
Allowed values:
formatenumOptionalDefaults to paragraph
One of paragraph, bullets, or auto, defaults to auto. Indicates the style in which the summary will be delivered - in a free form paragraph or in bullet points. If auto is selected, the best option will be picked based on the input text.
Allowed values:
modelstringOptional
The identifier of the model to generate the summary with. Currently available models are `command` (default), `command-nightly` (experimental), `command-light`, and `command-light-nightly` (experimental). Smaller, "light" models are faster, while larger models will perform better.
extractivenessenumOptionalDefaults to low
One of `low`, `medium`, `high`, or `auto`, defaults to `auto`. Controls how close to the original text the summary is. `high` extractiveness summaries will lean towards reusing sentences verbatim, while `low` extractiveness summaries will tend to paraphrase more. If `auto` is selected, the best option will be picked based on the input text.
Allowed values:
temperaturedoubleOptional0-5Defaults to 0.3
Ranges from 0 to 5. Controls the randomness of the output. Lower values tend to generate more “predictable” output, while higher values tend to generate more “creative” output. The sweet spot is typically between 0 and 1.
additional_commandstringOptional
A free-form instruction for modifying how the summaries get generated. Should complete the sentence “Generate a summary _”. Eg. “focusing on the next steps” or “written by Yoda”
Response headers
X-API-WarningstringOptional
The name of the project that is making the request.
Response
OK
idstringOptional
Generated ID for the summary
summarystringOptional
Generated summary for the text
metaobjectOptional
Errors
400
Bad Request Error
401
Unauthorized Error
403
Forbidden Error
404
Not Found Error
422
Unprocessable Entity Error
429
Too Many Requests Error
498
Invalid Token Error
499
Client Closed Request Error
500
Internal Server Error
501
Not Implemented Error
503
Service Unavailable Error
504
Gateway Timeout Error
This API is marked as “Legacy” and is no longer maintained. Follow the migration guide to start using the Chat API.
Generates a summary in English for a given text.
The identifier of the model to generate the summary with. Currently available models are command (default), command-nightly (experimental), command-light, and command-light-nightly (experimental). Smaller, “light” models are faster, while larger models will perform better.
One of low, medium, high, or auto, defaults to auto. Controls how close to the original text the summary is. high extractiveness summaries will lean towards reusing sentences verbatim, while low extractiveness summaries will tend to paraphrase more. If auto is selected, the best option will be picked based on the input text.