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Quasar 438B

Model ID

quasar-438b

Publisher

Multiverse Computing

Quasar 438B is exposed through POST /v1/chat/completions using the standard OpenAI-compatible chat payload. It supports function / tool calling (tools, tool_choice, assistant tool_calls) and works with structured outputs via response_format where applicable.

SpecificationValue
API IDquasar-438b
Parameter Count438B
CapabilitySupported
Chat completions (/v1/chat/completions)Yes
Tool / function callingYes
Structured output (response_format)Yes

Use quasar-438b as the model field in chat completion requests. For tool usage patterns and examples, see Tool Calling and Structured Output.