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Anthropic: Claude Opus 5

anthropic/claude-opus-5

Anthropic: Claude Opus 5 is a 1,000,000-token model served on Composite at $6.25 per million tokens in and $31.3 per million tokens out. Ranked #117 of 194 models by traffic on Composite over the last 30 days, taking 0.01% of tokens and 0% of requests. Measured on Composite, 100.0% of its last 2 requests on Composite succeeded, the typical first token arrives in 25051 ms, output runs at about 72.3 tokens per second.

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Specifications

Specifications and pricing as served by Composite
Model IDanthropic/claude-opus-5
Providercv11
Context window1,000,000 tokens
Acceptstext, image, file
Returnstext
Input price$6.25 per million tokens
Output price$31.3 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 Opus 5 (Reasoning)" in the catalog to turn it on by default
ModeratedYes - by the provider
Cost on a monthly planAbout 65 plan credits per typical call (8k in, 1k out)
Routing endpoints8 (base plus 7 routing variants)

Traffic rank on Composite

#117 of 194

0.01% of tokens and 0% of requests over 30 days.

Success rate

100.0%

Across the last 2 requests Composite served for this model.

Time to first token

25051 ms

Median across the same sample.

Output speed

72.3 tok/s

Median generation rate after the first token.

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-opus-5-normal cv11 $6.25 per million tokens input · $31.3 per million tokens output
Normal + cheapThink anthropic/claude-opus-5-normal:cheapThink cv11 $6.25 per million tokens input · $31.3 per million tokens output
Cheapest provider anthropic/claude-opus-5:cheapest-provider Claude Platform on AWS $6.25 per million tokens input · $31.3 per million tokens output
Cheapest provider + cheapThink anthropic/claude-opus-5:cheapest-provider:cheapThink Claude Platform on AWS $6.25 per million tokens input · $31.3 per million tokens output
cheapThink anthropic/claude-opus-5:cheapThink cv11 $6.25 per million tokens input · $31.3 per million tokens output
Fast anthropic/claude-opus-5:fast Claude Platform on AWS $6.25 per million tokens input · $31.3 per million tokens output
Fast + cheapThink anthropic/claude-opus-5:fast:cheapThink Claude Platform on AWS $6.25 per million tokens input · $31.3 per million tokens output

Pricing

$6.25 per million tokens input · $31.3 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 65 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 is priced for quality-sensitive scenes, where writing quality and instruction-following matter more than minimizing per-message cost.

From the provider

Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...

Supplied by cv11, not written by Composite.