anthropic/claude-sonnet-5

Anthropic's most agentic Sonnet model, bringing frontier-level coding and tool use at Sonnet's speed and price

Capabilities

Reference ImagesSystem PromptMax Tokens

Cost

Community model (estimated from hardware time)

Input Parameters

Name	Type	Description	Default	Constraints
`prompt`*	string	Input prompt	`—`	—
`effort`	string	How much thinking Claude does before responding. Higher effort improves quality on hard coding and agentic tasks, but is slower and uses more output tokens. 'low' disables thinking for the fastest, cheapest responses.	`"low"`	lowmediumhighxhighmax
`image`	string(uri)	Optional input image. Images are priced as (width px * height px)/750 input tokens	`—`	—
`max_image_resolution`	number	Maximum image resolution in megapixels. Scales down image before sending it to Claude, to save time and money.	`0.5`	min: 0.001, max: 2
`max_tokens`	integer	Maximum number of output tokens	`8192`	min: 1024, max: 64000
`system_prompt`	string	System prompt	`""`	—

promptrequiredstring

Input prompt

effortstring

How much thinking Claude does before responding. Higher effort improves quality on hard coding and agentic tasks, but is slower and uses more output tokens. 'low' disables thinking for the fastest, cheapest responses.

Default: "low"

lowmediumhighxhighmax

imagestring

Optional input image. Images are priced as (width px * height px)/750 input tokens

max_image_resolutionnumber

Maximum image resolution in megapixels. Scales down image before sending it to Claude, to save time and money.

Default: 0.5min: 0.001, max: 2

max_tokensinteger

Maximum number of output tokens

Default: 8192min: 1024, max: 64000

system_promptstring

System prompt

Default: ""

Version: 0b94850bb1efUpdated: 7/25/2026619 runs