The Best OpenLIT Alternatives in 2026

Langfuse provides open-source evaluation and observability tools for tracing and improving AI agents.

Observability and prompt management platform for LLM-based apps. Take your LLMs to the next level.

agenttrace audits coding-agent sessions, tracking costs, tokens, latency, failures, and health.

Kitaru provides agent traces that teams can run and inspect during application workflows.

This SDK provides AI evaluations, prompt management, and observability for Python and TypeScript workflows.

Future AGI evaluates and observes AI and agent applications with tracing, simulations, datasets, and guardrails.

DeepEval is an LLM evaluation framework, according to its repository description.

PromptSite provides prompt version management for tracking, experimentation, and debugging LLM prompts.

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

Latitude provides observability for AI agents and helps teams trace failures and verify fixes.

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

traceAI provides open source tracing for AI applications and frameworks using OpenTelemetry.

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

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

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

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

OneCompression is a Python package for compressing large language models.

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

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

Latitude traces AI agent behavior in production, finds failures, provides alerts, and can dispatch coding agents to propose fixes.

E2B provides an open-source secure environment with tools for enterprise agents.

Notte provides cloud browser infrastructure and web automation for AI and coding agents.

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

A JavaScript Native PyTorch-aligned Machine Learning Framework, built from scratch on WebGPU.