Alternatives to Goai

Open-source TypeScript toolkit for building AI apps with 100+ models, streaming, and agent support

Open-source Python library for guaranteed valid structured outputs from LLMs

Unified .NET API for 30+ LLMs with tool calling and streaming

Unified API gateway for GPT, Claude, Gemini — one key, every modality.

An open-source Python library for steering LLMs with native control flow, regex, and CFG constraints.

Free multimodal AI API gateway for text, image, video, and audio generation with OpenAI-compatible endpoints

Free GitHub repo of OpenAI API code examples, guides, and Jupyter notebooks.

Self-improving inference API that routes every call to the best model and retrains itself from your traffic.

Multi-vendor GenAI plugin that brings 30+ LLMs, 3D generation, and TTS directly inside Unreal Engine 5.

Open-source Swift package wrapping the OpenAI API with async/await and Combine.

An AI router that sends every prompt to the best model, learning your preferences

Extra-small OpenAI-compatible AI SDK for JS — 40x smaller installs.

Run LLMs in-browser with WebGPU — headless React hooks, just useLLM().

LMQL is a programming language for LLM interaction with typed constraints, nested queries, and multi-backend portability.

A type-safe programming language for building AI agents with compile-time guarantees on structured outputs.

Open-source streaming-first toolkit that turns AI agent output into interactive UI, not JSON.

The knowledge platform built for agents, with self-updating docs and MCP support.

Open-source, self-hosted AI agent that plans tasks, runs tools, and evolves memory across 10+ channels.

Build type-safe LLM agents in Rust with one unified provider API.

Fast, streaming LLM applications in Rust

One Ruby framework for all major AI providers—chat, images, audio, and tools.

The standard Python library for loading, fine-tuning, and running transformer models across text, vision, and audio.

Declarative YAML to sync skills, commands, MCPs & instructions across AI coding agents.

Aizen: A native macOS workspace to run agents, terminals, and browsers across every branch.

Open-source Rust CLI that filters command output before it hits your LLM

Open-source tool for comparing chain-of-thought reasoning traces across AI backends

Open-source Java library for building LLM-powered apps with a unified API

React frontend stack for building agentic user experiences with generative UI

An open-source Python framework that turns ordinary functions into AI-powered tools via simple decorators.

Build LLM apps with decorators, observability, and full control.