A new Software Development Kit (SDK) has been introduced for Go, designed to facilitate the creation of AI-powered backends. This SDK allows Go applications to call large language models (LLMs), stream responses, and execute tools. It provides a unified API for these functions across various supported AI providers.
The Go SDK is designed to be wire-compatible with Vercel's AI SDK, which is commonly used with TypeScript and React frontends. This compatibility means that Go backends can stream Server-Sent Events (SSE) directly to React hooks like `useChat`, enabling developers to replace TypeScript backends with Go without requiring protocol adapters.
The SDK includes features such as `StreamText` for streaming responses, `WriteUIMessageStream` for React compatibility, and composable tools that can call plain Go functions. It also supports structured output for generating schema-validated objects and offers production controls like timeouts, fallbacks, and metrics. The SDK integrates with multiple AI providers, including Anthropic, Amazon Bedrock, OpenAI, and OpenAI-compatible APIs.
To begin using the SDK, developers can initialize a Go project, install the core module, and add a provider-specific module. An example program demonstrates how to make a model call using the Anthropic provider to generate text, requiring an API key for authentication.
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A new Go SDK has been released for developing AI backends, enabling Go applications to interact with large language models, stream responses, and execute tools. This SDK is wire-compatible with Vercel's AI SDK for TypeScript frontends, allowing developers to use Go for backend logic while maintaining existing React interfaces.