feat: add OpenAI provider integration and examples
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216
examples/multi-provider.ts
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216
examples/multi-provider.ts
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/**
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* Multi-provider example for Simple AI Provider
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* Demonstrates how to use both Claude and OpenAI providers
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*/
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import {
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createClaudeProvider,
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createOpenAIProvider,
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createProvider,
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ProviderRegistry,
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AIProviderError,
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AIErrorType
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} from '../src/index.js';
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async function multiProviderExample() {
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console.log('=== Multi-Provider AI Example ===\n');
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// Get API keys from environment
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const claudeApiKey = process.env.ANTHROPIC_API_KEY || 'your-claude-api-key';
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const openaiApiKey = process.env.OPENAI_API_KEY || 'your-openai-api-key';
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try {
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// Method 1: Using factory functions
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console.log('1. Creating providers using factory functions...');
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const claude = createClaudeProvider(claudeApiKey, {
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defaultModel: 'claude-3-5-haiku-20241022'
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});
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const openai = createOpenAIProvider(openaiApiKey, {
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defaultModel: 'gpt-3.5-turbo'
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});
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console.log('✓ Providers created\n');
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// Method 2: Using generic createProvider function
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console.log('2. Creating providers using generic factory...');
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const claude2 = createProvider('claude', {
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apiKey: claudeApiKey,
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defaultModel: 'claude-3-5-haiku-20241022'
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});
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const openai2 = createProvider('openai', {
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apiKey: openaiApiKey,
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defaultModel: 'gpt-3.5-turbo'
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});
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console.log('✓ Generic providers created\n');
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// Method 3: Using Provider Registry
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console.log('3. Using Provider Registry...');
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console.log('Registered providers:', ProviderRegistry.getRegisteredProviders());
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const claudeFromRegistry = ProviderRegistry.create('claude', {
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apiKey: claudeApiKey,
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defaultModel: 'claude-3-5-haiku-20241022'
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});
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console.log('✓ Provider created from registry\n');
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// Initialize providers
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console.log('4. Initializing providers...');
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await Promise.all([
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claude.initialize(),
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openai.initialize()
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]);
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console.log('✓ All providers initialized\n');
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// Compare provider information
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console.log('5. Provider Information:');
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console.log('Claude Info:', claude.getInfo());
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console.log('OpenAI Info:', openai.getInfo());
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console.log();
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// Test the same prompt with both providers
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const testPrompt = 'Explain the concept of recursion in programming in one sentence.';
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console.log('6. Testing same prompt with both providers...');
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console.log(`Prompt: "${testPrompt}"\n`);
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// Claude response
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console.log('--- Claude Response ---');
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const claudeResponse = await claude.complete({
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messages: [
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{ role: 'system', content: 'You are a concise programming tutor.' },
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{ role: 'user', content: testPrompt }
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],
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maxTokens: 100,
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temperature: 0.7
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});
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console.log('Response:', claudeResponse.content);
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console.log('Usage:', claudeResponse.usage);
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console.log('Model:', claudeResponse.model);
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console.log();
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// OpenAI response
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console.log('--- OpenAI Response ---');
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const openaiResponse = await openai.complete({
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messages: [
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{ role: 'system', content: 'You are a concise programming tutor.' },
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{ role: 'user', content: testPrompt }
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],
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maxTokens: 100,
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temperature: 0.7
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});
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console.log('Response:', openaiResponse.content);
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console.log('Usage:', openaiResponse.usage);
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console.log('Model:', openaiResponse.model);
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console.log();
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// Streaming comparison
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console.log('7. Streaming comparison...');
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console.log('Streaming from Claude:');
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for await (const chunk of claude.stream({
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messages: [{ role: 'user', content: 'Count from 1 to 5.' }],
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maxTokens: 50
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})) {
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if (!chunk.isComplete) {
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process.stdout.write(chunk.content);
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} else {
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console.log('\n✓ Claude streaming complete\n');
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}
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}
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console.log('Streaming from OpenAI:');
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for await (const chunk of openai.stream({
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messages: [{ role: 'user', content: 'Count from 1 to 5.' }],
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maxTokens: 50
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})) {
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if (!chunk.isComplete) {
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process.stdout.write(chunk.content);
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} else {
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console.log('\n✓ OpenAI streaming complete\n');
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}
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}
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// Provider-specific features demo
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console.log('8. Provider-specific features...');
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// OpenAI with organization
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const openaiWithOrg = createOpenAIProvider(openaiApiKey, {
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defaultModel: 'gpt-3.5-turbo',
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organization: 'org-example',
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timeout: 60000
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});
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console.log('✓ Created OpenAI provider with organization settings');
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// Claude with custom version
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const claudeCustom = createClaudeProvider(claudeApiKey, {
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defaultModel: 'claude-3-5-sonnet-20241022',
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version: '2023-06-01',
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maxRetries: 5
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});
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console.log('✓ Created Claude provider with custom settings');
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console.log('\n🎉 Multi-provider example completed successfully!');
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} catch (error) {
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console.error('❌ Error in multi-provider example:');
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if (error instanceof AIProviderError) {
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console.error(`AI Provider Error (${error.type}):`, error.message);
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switch (error.type) {
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case AIErrorType.AUTHENTICATION:
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console.error('💡 Hint: Check your API keys in environment variables');
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console.error(' Set ANTHROPIC_API_KEY and OPENAI_API_KEY');
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break;
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case AIErrorType.RATE_LIMIT:
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console.error('💡 Hint: You are being rate limited. Wait and try again.');
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break;
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case AIErrorType.INVALID_REQUEST:
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console.error('💡 Hint: Check your request parameters.');
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break;
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default:
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console.error('💡 Hint: An unexpected error occurred.');
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}
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} else {
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console.error('Unexpected error:', error);
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}
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}
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}
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// Provider comparison utility
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async function compareProviders() {
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console.log('\n=== Provider Comparison ===');
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const providers = [
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{ name: 'Claude', factory: () => createClaudeProvider('dummy-key') },
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{ name: 'OpenAI', factory: () => createOpenAIProvider('dummy-key') }
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];
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console.log('\nProvider Capabilities:');
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console.log('| Provider | Models | Context | Streaming | Vision | Functions |');
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console.log('|----------|--------|---------|-----------|--------|-----------|');
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for (const { name, factory } of providers) {
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const provider = factory();
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const info = provider.getInfo();
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console.log(`| ${name.padEnd(8)} | ${info.models.length.toString().padEnd(6)} | ${info.maxContextLength.toLocaleString().padEnd(7)} | ${info.supportsStreaming ? '✓' : '✗'.padEnd(9)} | ${info.capabilities?.vision ? '✓' : '✗'.padEnd(6)} | ${info.capabilities?.functionCalling ? '✓' : '✗'.padEnd(9)} |`);
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}
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console.log();
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}
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// Run the examples
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if (import.meta.main) {
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await multiProviderExample();
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await compareProviders();
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}
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