Multi-Provider Agents

import { Agent } from 'praisonai';

function getWeather(city: string): string {
  return JSON.stringify({ city, temperature: 22, condition: 'sunny' });
}

const agent = new Agent({
  instructions: 'You help users check the weather.',
  llm: 'anthropic/claude-3-5-sonnet-latest',
  tools: [getWeather]
});

const response = await agent.chat('What is the weather in Paris?');
console.log(response);

import { Agent } from 'praisonai';

const agent = new Agent({
  instructions: 'Extract person information from text.',
  llm: 'openai/gpt-4o-mini',
  outputSchema: {
    type: 'object',
    properties: {
      name: { type: 'string' },
      age: { type: 'number' },
      city: { type: 'string' },
    },
    required: ['name', 'age', 'city']
  },
  outputSchemaName: 'Person'  // names the schema in the response_format payload
});

const result = await agent.chat('John is 30 years old and lives in Paris');
// '{"name":"John","age":30,"city":"Paris"}'

import { Agent } from 'praisonai';

const researcher = new Agent({
  name: 'researcher',
  instructions: 'Research topics thoroughly.',
  llm: 'anthropic/claude-3-5-sonnet-latest'
});

const writer = new Agent({
  name: 'writer',
  instructions: 'Write engaging content based on research.',
  llm: 'openai/gpt-4o'
});

const research = await researcher.chat('Research the history of AI');
const article = await writer.chat(`Write an article based on: ${research}`);
console.log(article);

export OPENAI_API_KEY=sk-...
export ANTHROPIC_API_KEY=sk-ant-...
export GOOGLE_API_KEY=AIza...
export GROQ_API_KEY=gsk_...

# Or pass apiKey per-agent (as of PR #4483, honoured across all providers)

# Override backend resolver
export PRAISONAI_BACKEND=ai-sdk   # Force AI SDK for all providers
export PRAISONAI_BACKEND=native   # Force native providers only
export PRAISONAI_BACKEND=auto     # Auto-select (default)