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OpenAI: gpt-oss-120b

openai/gpt-oss-120b

OpenAI: gpt-oss-120b is a 131,072-token model served on Composite at $0.0375 per million tokens in and $0.188 per million tokens out.

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Specifications

Specifications and pricing as served by Composite
Model IDopenai/gpt-oss-120b
Providercv11
Context window131,072 tokens
Acceptstext
Returnstext
Input price$0.0375 per million tokens
Output price$0.188 per million tokens
Prompt cachingSupported — cached input is billed at the provider's cache rate, on credits and plans alike
ThinkingAlways on for this model
ModeratedNo
Cost on a monthly planAbout 0.4 plan credits per typical call (8k in, 1k out)
Routing endpoints10 (base plus 9 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 9 alternative endpoints. Call the id directly to pin a route; the base id above picks for you.

RouteModel IDProviderPrice
Normal openai/gpt-oss-120b-normal cv11 $0.188 per million tokens input · $0.750 per million tokens output
Normal + cheapThink openai/gpt-oss-120b-normal:cheapThink cv11 $0.188 per million tokens input · $0.750 per million tokens output
Cheapest provider openai/gpt-oss-120b:cheapest-provider Near AI $0.0375 per million tokens input · $0.188 per million tokens output
Cheapest provider + cheapThink openai/gpt-oss-120b:cheapest-provider:cheapThink Near AI $0.0375 per million tokens input · $0.188 per million tokens output
cheapThink openai/gpt-oss-120b:cheapThink cv11 $0.0375 per million tokens input · $0.188 per million tokens output
Fast openai/gpt-oss-120b:fast Near AI $0.0375 per million tokens input · $0.188 per million tokens output
Fast + cheapThink openai/gpt-oss-120b:fast:cheapThink Near AI $0.0375 per million tokens input · $0.188 per million tokens output
Quality openai/gpt-oss-120b:quality DeepInfra $0.0462 per million tokens input · $0.212 per million tokens output
Quality + cheapThink openai/gpt-oss-120b:quality:cheapThink DeepInfra $0.0462 per million tokens input · $0.212 per million tokens output

Pricing

$0.0375 per million tokens input · $0.188 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 0.4 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 131,072-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 low enough for high-volume daily roleplay without the per-message cost adding up quickly.

From the provider

gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimized...

Supplied by cv11, not written by Composite.