The Best LiteLLM Alternatives in 2026

LLM Gateway routes, manages, and analyzes requests across more than 40 language-model providers through one API.

Bifrost by Maxim AI is an open-source AI gateway for LLMs, MCP and agents with routing, governance, guardrails and observability, supporting 8+ providers and 1000+ models via a drop-in SDK replacement.

Glide provides an open model gateway for developing production generative AI applications.

The abso TypeScript SDK calls more than 100 LLM providers through an OpenAI compatible format.

Guardrails AI provides a framework for building, governing, and deploying reliability controls for generative AI systems.

TensorZero builds open-source tools for production-grade LLM applications: LLM gateway, observability, optimization, evaluations, and experimentation.

Respan unifies LLM observability, evals, prompt optimization, and an AI gateway so teams can ship reliable AI applications.

Ollama runs language models locally and provides tools to work with model files and APIs.

Hugging Face Text Embeddings Inference serves text embedding models through an inference solution.

Stakpak runs an agent on a machine to ship code and keep applications running.

OpenModelZ scales LLM inference on Kubernetes with engines including vLLM, SGLang, and LMDeploy.

Featherless is a serverless AI inference platform for open-weight models with API access to tens of thousands of models.

Flaq offers one API for accessing AI image, video, 3D, music, and language models.

Confident AI provides evaluation, observability, red-teaming, and governance tools for testing and monitoring AI systems.

Comet's Opik platform provides AI observability, agent testing, evaluation, and monitoring for developers.

Monkt converts PDFs, Word, PowerPoint, Excel, CSV, webpages, and HTML into Markdown or structured JSON.

PromptLayer supports prompt versioning, LLM evaluations, and production monitoring with traces, logs, and regression sets.

BurnRate tracks AI model provider spending in a dashboard and offers a local CLI for agent-level costs.

Deepchecks evaluates and monitors AI agents using testing, tracing, dataset scoring, and production observability tools.

onWatch tracks AI API quotas across providers and displays usage in real time through a lightweight background monitor.

MakeHub routes AI model requests among providers such as OpenAI, Anthropic, and Together.ai.

Manifest connects AI agents and tools to multiple model providers through an LLM gateway.

lakeFS provides data version control for data lakes using Git-style workflows.

Eden AI routes requests across language and other AI models through a unified API with provider options.