POST/v1/chat/completions

Chat Completions

Name: Bifrost
Author: OMIX Digital Solutions

Create a chat completion. Compatible with OpenAI API format.

Request Body

Parameter	Type	Required	Description
model	string	Yes	Model ID. Use "bifrost/auto" for automatic routing.
messages	array	Yes	Array of message objects with role and content.
stream	boolean	No	Enable streaming. Default: false.
temperature	number	No	Sampling temperature. Default: 0.7.
max_tokens	integer	No	Max tokens. Default: 4096.
tools	array	No	Tool definitions for function calling.

Example

Request

{
  "model": "bifrost/auto",
  "messages": [
    { "role": "user", "content": "Hello!" }
  ]
}

Response

Response — 200 OK

{
  "id": "bifrost_1234",
  "object": "chat.completion",
  "model": "claude-sonnet-4",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Hello! How can I help?"
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 12,
    "completion_tokens": 8,
    "total_tokens": 20
  }
}

Bifrost Decision

When using bifrost/auto, Bifrost selects the optimal model and provider automatically based on capability, cost, latency, and health.

Bifrost Decision

ModelClaude Sonnet 4

ProviderAnthropic

Route score94

Compression31%

CacheMISS

Latency842ms

Cost$0.018

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Streaming