Alternatives to Openai Scala Client

xsAI is an extra-small OpenAI-compatible AI SDK for JavaScript and TypeScript, 13.0 KB gzipped with every package included.

DiscuroAI chains GPT-3 prompt templates and DALL-E 2 image calls into multi-step workflows you run with one API request that returns JSON.

Open-source Ruby gem giving one unified API across Anthropic, DeepSeek, Google, Mistral, Llama, and OpenAI

SwiftOpenAI: an MIT-licensed Swift package for calling the OpenAI API with native async/await and Combine on Apple platforms.

RubyLLM is the Ruby-native AI framework for chat, agents, tools, and RAG across 19 providers with one API.

Headroom builds custom AI software that reads email, documents and calls and turns them into records your team runs on.

Open-source Java library that tokenizes text with OpenAI's BPE encodings so you can count, encode and decode locally

Unified C# .NET library for calling 15+ LLM providers through a single strongly-typed API.

Drop-in AI autocomplete for any text input — two lines of code, OpenAI's GPT models underneath.

TypeLLM returns typed, schema-conformant values from text and images in one API call — no JSON repair loops.

Python library for constrained LLM generation with regex, context-free grammars, and inline control flow.

Outlines is a Python library for structured generation that constrains LLM decoding so JSON, regex, and grammar outputs are valid every

PrivateGPT is the open-source on-premise RAG framework for local document Q&A — 57k GitHub stars, zero cloud calls.

Free OpenAI API examples and Python notebooks for building chat, embeddings, and RAG apps

Open-source Ruby gem that calls 11 LLM providers through one consistent interface for embeddings, completions, and chat.

Mellea turns type-annotated Python functions into validated, testable LLM calls with token-level constrained decoding.

BAML is a type-safe, Turing-complete language for agentic and LLM code that compiles typed Python and TypeScript SDKs.

Mirascope is an open-source Python library that turns LLM calls, tools, and prompt versioning into plain decorated functions.

Open-source TypeScript SDK for streaming AI apps and agents across 100+ models, with built-in provider fallbacks

Attention Sinks keeps Llama, Mistral, MPT, Falcon and Pythia chat models fluent with constant VRAM via a one-line import swap.

Hugging Face Tokenizers: train BPE, WordPiece and Unigram vocabularies and tokenize a GB of text in under 20 seconds.

LMQL is a programming language for LLMs that uses types, templates and constraints to make prompts modular and outputs reliable.

Marvin is an open-source Python framework that turns LLM calls into typed functions, agents, and Pydantic-validated results.

Go SDK for AI apps: one type-safe API for text generation, streaming, tools and MCP across 25+ LLM providers.

Swift package for on-device and hosted LLM inference inside Stanford's Spezi health-app framework

社区自建的LangChain中文文档镜像站，把v0.3框架、LCEL和RAG、SQL问答等场景示例译成中文，帮中文开发者入门LLM应用开发。

AnyAPI A/B tests your GPT-3 prompts and serves the winning variant as a live REST API endpoint.

HanLP is a production-oriented multilingual NLP toolkit with a deep focus on Chinese, built on PyTorch and TensorFlow 2.x.

Open-source wire protocol suite that standardizes LLM, vector, graph, and embedding calls so you swap providers in config, not code

OpenUI turns AI agent responses into streaming generative UI built from your own component library.