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Anthropic: Claude Sonnet 5

anthropic/claude-sonnet-5

Anthropic: Claude Sonnet 5 is a 1,000,000-token model served on Composite at $2.50 per million tokens in and $12.5 per million tokens out. Ranked #102 of 194 models by traffic on Composite over the last 30 days, taking 0.01% of tokens and 0.03% of requests.

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Specifications

Specifications and pricing as served by Composite
Model IDanthropic/claude-sonnet-5
Providercv11
Context window1,000,000 tokens
Acceptstext, image, file
Returnstext
Input price$2.50 per million tokens
Output price$12.5 per million tokens
Prompt cachingSupported — cached input is billed at the provider's cache rate, on credits and plans alike
Web search$0.0125 per result
ThinkingOptional - see "Anthropic: Claude Sonnet 5 (Reasoning)" in the catalog to turn it on by default
ModeratedYes - by the provider
Cost on a monthly planAbout 26 plan credits per typical call (8k in, 1k out)
Routing endpoints8 (base plus 7 routing variants)

Traffic rank on Composite

#102 of 194

0.01% of tokens and 0.03% of requests over 30 days.

Routing variants

The same model behind 7 alternative endpoints. Call the id directly to pin a route; the base id above picks for you.

RouteModel IDProviderPrice
Normal anthropic/claude-sonnet-5-normal cv11 $2.50 per million tokens input · $12.5 per million tokens output
Normal + cheapThink anthropic/claude-sonnet-5-normal:cheapThink cv11 $2.50 per million tokens input · $12.5 per million tokens output
Cheapest provider anthropic/claude-sonnet-5:cheapest-provider Claude Platform on AWS $2.50 per million tokens input · $12.5 per million tokens output
Cheapest provider + cheapThink anthropic/claude-sonnet-5:cheapest-provider:cheapThink Claude Platform on AWS $2.50 per million tokens input · $12.5 per million tokens output
cheapThink anthropic/claude-sonnet-5:cheapThink cv11 $2.50 per million tokens input · $12.5 per million tokens output
Fast anthropic/claude-sonnet-5:fast Claude Platform on AWS $2.50 per million tokens input · $12.5 per million tokens output
Fast + cheapThink anthropic/claude-sonnet-5:fast:cheapThink Claude Platform on AWS $2.50 per million tokens input · $12.5 per million tokens output

Pricing

$2.50 per million tokens input · $12.5 per million tokens output

Credits pay the provider’s price plus 25%; cache hits cost less.

On a monthly plan, a typical call (8k tokens in, 1k out) uses about 26 plan credits, at the provider's own price.

Provider

cv11

Roleplay fit

Claude models are widely regarded for nuanced, in-character writing and for following detailed system prompts and character cards closely.

Context behavior

With a 1,000,000-token context window, it can hold a long-running roleplay or a full lorebook in memory without losing earlier plot details, so it suits multi-session campaigns and character cards with heavy backstory.

Cost for regular use

It sits in the mid-range on price, a reasonable pick for regular roleplay use without going for the cheapest option available.

From the provider

Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...

Supplied by cv11, not written by Composite.