Bedrock

Get AWS credentials

Usage

.env

AWS_REGION_NAME=
AWS_ACCESS_KEY_ID=
AWS_SECRET_ACCESS_KEY=

import { TokenJS } from 'token.js'

// Create the Token.js client
const tokenjs = new TokenJS()

async function main() {
  // Create a model response
  const completion = await tokenjs.chat.completions.create({
    // Specify the provider and model
    provider: 'bedrock',
    model: 'meta.llama3-70b-instruct-v1:0',
    // Define your message
    messages: [
      {
        role: 'user',
        content: 'Hello!',
      },
    ],
  })
  console.log(completion.choices[0])
}
main()

Supported Models

Model	Chat Completion	Streaming	JSON Output	Image Input	Function Calling	N > 1
amazon.titan-text-lite-v1	✅	✅	➖	➖	➖	➖
amazon.titan-text-express-v1	✅	✅	➖	➖	➖	➖
anthropic.claude-3-5-sonnet-20240620-v1:0	✅	✅	➖	✅	✅	➖
anthropic.claude-3-5-sonnet-20241022-v2:0	✅	✅	➖	✅	✅	➖
anthropic.claude-3-5-haiku-20241022-v1:0	✅	✅	➖	➖	✅	➖
anthropic.claude-3-opus-20240229-v1:0	✅	✅	➖	✅	✅	➖
anthropic.claude-3-sonnet-20240229-v1:0	✅	✅	➖	✅	✅	➖
anthropic.claude-3-haiku-20240307-v1:0	✅	✅	➖	✅	✅	➖
anthropic.claude-v2:1	✅	✅	➖	➖	➖	➖
anthropic.claude-v2	✅	✅	➖	➖	➖	➖
anthropic.claude-instant-v1	✅	✅	➖	➖	➖	➖
cohere.command-r-plus-v1:0	✅	✅	➖	➖	✅	➖
cohere.command-r-v1:0	✅	✅	➖	➖	✅	➖
cohere.command-text-v14	✅	✅	➖	➖	➖	➖
cohere.command-light-text-v14	✅	✅	➖	➖	➖	➖
meta.llama3-8b-instruct-v1:0	✅	✅	➖	➖	➖	➖
meta.llama3-70b-instruct-v1:0	✅	✅	➖	➖	➖	➖
meta.llama2-13b-chat-v1	✅	✅	➖	➖	➖	➖
meta.llama2-70b-chat-v1	✅	✅	➖	➖	➖	➖
mistral.mistral-7b-instruct-v0:2	✅	✅	➖	➖	➖	➖
mistral.mixtral-8x7b-instruct-v0:1	✅	✅	➖	➖	➖	➖
mistral.mistral-large-2402-v1:0	✅	✅	➖	➖	✅	➖

Legend

Symbol	Description
✅	Supported by Token.js
➖	Not supported by the LLM provider, so Token.js cannot support it

Additional Resources

• AWS Bedrock Documentation