GET

/v1/schemas/replicate/chat/models/anthropic/claude-fable-5/predictions

Accept:

kind inputactivity chathash d4ea352a…extracted Oct 7, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `add9c620ca66f12c8ec0774be5e920c1a2c90a7198b57b4c9de106688788ec0e` { "fetchedAt": 1791350061, "extractorVersion": "1", "verifiedAt": null }

Request body

4 properties · 1 required · 1 $defs

property	type	description
input*	Input
stream	boolean	This field is deprecated.
webhook	string	An HTTPS URL for receiving a webhook when the prediction has new output. The webhook will be a POST request where the request body is the same as the response body of the [get prediction](#predictions.get) operation. If there are network problems, we will retr…
webhook_events_filter	enum[]	By default, we will send requests to your webhook URL whenever there are new outputs or the prediction has finished. You can change which events trigger webhook requests by specifying `webhook_events_filter` in the prediction request:

Types

1 $defs

Inputobject

image	string	Optional input image. Images are priced as (width px * height px)/750 input tokens	format: uri · default: null
prompt*	string	Input prompt
max_tokens	integer	Maximum number of output tokens	1024 ≤ n ≤ 128000 · default: 8192
system_prompt	string	System prompt	default: ""
max_image_resolution	number	Maximum image resolution in megapixels. Scales down image before sending it to Claude, to save time and money.	0.001 ≤ n ≤ 2 · default: 0.5

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"replicate","endpointId":"models/anthropic/claude-fable-5/predictions","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}