@orka-js/cohere

Cohere adapter for OrkaJS — Command R+, embeddings, and streaming.

Installation

npm install @orka-js/cohere

Quick Start

import { CohereAdapter } from '@orka-js/cohere'
import { Orka } from '@orka-js/core'

const llm = new CohereAdapter({
  apiKey: process.env.COHERE_API_KEY!,
  model: 'command-r-plus',
})

const orka = new Orka({ llm })

const response = await orka.chat([
  { role: 'user', content: 'Hello!' }
])
console.log(response.content)

Streaming

const stream = await llm.stream([
  { role: 'user', content: 'Summarize this document...' }
])

for await (const chunk of stream) {
  process.stdout.write(chunk.delta ?? '')
}

Embeddings

const vector = await llm.embed('Hello world')
// Returns: number[]

Configuration

| Option | Type | Default | Description | |--------|------|---------|-------------| | apiKey | string | — | Cohere API key (required) | | model | string | 'command-r-plus' | Model to use | | temperature | number | 0.7 | Sampling temperature (0–1) |

Supported Models

| Model | Description | |-------|-------------| | command-r-plus | Most capable, optimized for RAG | | command-r | Balanced performance | | command | Fast and cost-effective |

API

CohereAdapter

const adapter = new CohereAdapter(config)

adapter.chat(messages: ChatMessage[])   // Promise<ChatResponse>
adapter.stream(messages: ChatMessage[]) // AsyncIterable<StreamEvent>
adapter.embed(text: string)             // Promise<number[]>

Implements: LLMAdapter, StreamingLLMAdapter

Related Packages

• @orka-js/core — Core types and LLMAdapter interface
• @orka-js/openai — OpenAI adapter
• orkajs — Full bundle