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AI model

OpenAI: GPT-5

openai/gpt-5

OpenAI: GPT-5 is a 400,000-token model served on Composite at $1.56 per million tokens in and $12.5 per million tokens out.

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Specifications

Specifications and pricing as served by Composite
Model IDopenai/gpt-5
Providercv11
Context window400,000 tokens
Acceptstext, image, file
Returnstext
Input price$1.56 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
ThinkingAlways on for this model
ModeratedYes - by the provider
Cost on a monthly planAbout 20 plan credits per typical call (8k in, 1k out)
Routing endpoints8 (base plus 7 routing variants)

Measured on Composite

This model has not carried enough traffic on Composite yet to publish a success rate, a latency figure or a traffic rank. The numbers appear here once it has.

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 openai/gpt-5-normal cv11 $1.56 per million tokens input · $12.5 per million tokens output
Normal + cheapThink openai/gpt-5-normal:cheapThink cv11 $1.56 per million tokens input · $12.5 per million tokens output
Cheapest provider openai/gpt-5:cheapest-provider Azure $1.56 per million tokens input · $12.5 per million tokens output
Cheapest provider + cheapThink openai/gpt-5:cheapest-provider:cheapThink Azure $1.56 per million tokens input · $12.5 per million tokens output
cheapThink openai/gpt-5:cheapThink cv11 $1.56 per million tokens input · $12.5 per million tokens output
Fast openai/gpt-5:fast OpenAI $1.56 per million tokens input · $12.5 per million tokens output
Fast + cheapThink openai/gpt-5:fast:cheapThink OpenAI $1.56 per million tokens input · $12.5 per million tokens output

Pricing

$1.56 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 20 plan credits, at the provider's own price.

Provider

cv11

Roleplay fit

This is an OpenAI model, a dependable baseline with broad instruction-following and consistent formatting across long conversations.

Context behavior

With a 400,000-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

GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy...

Supplied by cv11, not written by Composite.