Best DeepEval Alternatives in 2026

#1 alternative

Helicone

Open-source LLM observability and AI gateway in one line of code.

#2 alternative

OpenObserve

OpenTelemetry-native observability for LLM calls, tools, and agent handoffs

#3 alternative

Vellum

Build, evaluate, and deploy LLM apps and agents with confidence.

#4 alternative

LlamaIndex

Data framework for LLM apps and knowledge agents

#5 alternative

MCPJam

Open-source testing and evaluation platform for MCP servers

#6 alternative

Milvus

Open-source vector database built for scale

#7 alternative

Civitai

Open model hub and image generator for Stable Diffusion, LoRAs and custom checkpoints

#8 alternative

Ollama

Run open LLMs locally with a single command.

#9 alternative

Jina AI Reader

Turn any URL into clean, LLM-friendly Markdown with a single prefix

#10 alternative

Plandex

Open-source terminal AI coding agent built for large, multi-file projects

#11 alternative

Kilo Code

Open-source, model-agnostic AI coding agent for VS Code and JetBrains

#12 alternative

Orkas

Open-source local-first AI workforce coordinated by a Commander through one chat