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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | 20x 2x 1x 1x 1x 1x 1x 1x 20x 20x 20x 20x 20x 20x 28x 9x 1x 2x | import { Provider, ChatRequest, ChatResponse, ModelInfo, ChatChunk } from "../Provider.js";
import { BaseProvider } from "../BaseProvider.js";
import { Capabilities } from "./Capabilities.js";
import { AnthropicChat } from "./Chat.js";
import { AnthropicStreaming } from "./Streaming.js";
import { AnthropicModels } from "./Models.js";
export interface AnthropicProviderOptions {
apiKey: string;
baseUrl?: string;
}
export class AnthropicProvider extends BaseProvider implements Provider {
private readonly baseUrl: string;
private readonly chatHandler: AnthropicChat;
private readonly streamHandler: AnthropicStreaming;
private readonly modelsHandler: AnthropicModels;
public capabilities = {
supportsVision: (model: string) => Capabilities.supportsVision(model),
supportsTools: (model: string) => Capabilities.supportsTools(model),
supportsStructuredOutput: (model: string) => Capabilities.supportsJsonMode(model),
supportsEmbeddings: (_model: string) => false,
supportsImageGeneration: (_model: string) => false,
supportsTranscription: (_model: string) => false,
supportsModeration: (_model: string) => false,
supportsReasoning: (_model: string) => false,
supportsDeveloperRole: (_model: string) => true,
getContextWindow: (model: string) => Capabilities.getContextWindow(model)
};
constructor(private readonly options: AnthropicProviderOptions) {
super();
this.baseUrl = options.baseUrl ?? "https://api.anthropic.com/v1";
this.chatHandler = new AnthropicChat(this.baseUrl, options.apiKey);
this.streamHandler = new AnthropicStreaming(this.baseUrl, options.apiKey);
this.modelsHandler = new AnthropicModels(this.baseUrl, options.apiKey);
}
public apiBase(): string {
return this.baseUrl;
}
public headers(): Record<string, string> {
return {
"x-api-key": this.options.apiKey,
"anthropic-version": "2023-06-01",
"Content-Type": "application/json"
};
}
protected providerName(): string {
return "Anthropic";
}
public override defaultModel(_feature?: string): string {
return "claude-3-5-haiku-20241022";
}
async chat(request: ChatRequest): Promise<ChatResponse> {
return this.chatHandler.execute(request);
}
async *stream(request: ChatRequest): AsyncGenerator<ChatChunk> {
yield* this.streamHandler.execute(request);
}
async listModels(): Promise<ModelInfo[]> {
return this.modelsHandler.execute();
}
// Unsupported features will use BaseProvider's default implementations
}
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