AI eval and observability platform: tracing, LLM and human scoring, quality gates. Used by Vercel, Notion and Replit.
braintrust.dev
Alternatives to
Laminar
Best alternatives to Laminar in 2026
When an AI agent goes wrong — takes the wrong action, loops forever, calls the wrong tool — figuring out why can mean digging through a mess of raw logs across dozens of steps. Laminar is built to make that debugging visual: it traces every LLM call, tool call and sub-agent your agent runs, whether the task finishes in one turn or hundreds of steps across parallel sub-agents, and lays it out so a developer can see exactly where things went sideways. Laminar is an open-source, OpenTelemetry-native observability platform purpose-built for AI agents (as opposed to general LLM apps), a Y Combinator S24 company with 3,100+ GitHub stars on its Apache 2.0-licensed core. It supports popular agent frameworks out of the box — Vercel AI SDK, Claude Agent SDK, OpenAI Agents SDK, LangGraph, Mastra, Browser Use, Stagehand — and adds features specific to agent debugging like automatic browser-agent tracing with synced window recordings, so you can watch what a browser-automation agent actually saw while it acted. It's Rust-powered on the backend for high trace throughput, and offers both managed Laminar Cloud and full self-hosting. Pricing runs Free (1GB, 7-day retention), Starter at $30/month (3GB, 30-day retention, unlimited seats), Pro at $150/month (10GB, 6-month retention), and custom Enterprise.
Quick comparison of Laminar alternatives
| # | Tool | Best for | Price |
|---|---|---|---|
| 1 | AI product teams | ML engineers | — | |
| 2 | Développeurs | — | |
| 3 | Développeurs | — | |
| 4 | Development teams building LLM-powered features who need multi-provider cost tracking, performance monitoring, and agent workflow tracing across multiple AI providers. | — | |
| 5 | Ingénieurs réseau, DevOps et administrateurs systèmes travaillant sur des serveurs distants ou des conteneurs | — | |
| 6 | Administrateurs de VPS Linux cherchant une surveillance système légère | — | |
| 7 | Équipes de développement et administrateurs système cherchant une détection précoce de pannes | — | |
| 8 | Équipes d'ingénierie qui déploient des agents IA en production (LangChain, CrewAI, AutoGen, Pydantic AI) et ont besoin de debug spécifique à l'IA | — | |
| 9 | Administrateurs systèmes, ingénieurs DevOps et équipes infra ayant besoin de supervision temps réel | — | |
| 10 | Administrateurs systèmes, ingénieurs DevOps et utilisateurs avancés voulant une supervision terminal détaillée | — | |
| 11 | Administrateurs systèmes, développeurs et utilisateurs avancés sur Linux, macOS ou Windows | — | |
| 12 | Administrateurs systèmes, ingénieurs réseau et développeurs diagnostiquant la latence réseau | — |
#1
- ✓ Trace-to-dataset loop: production failures become permanent eval cases
- ✓ Quality gates block bad AI releases like CI blocks bad code
#4
Observability tool for apps built on LLMs — swap in one URL and it starts logging every AI call, tracking what it costs, and tracing multi-step agent workflows across OpenAI, Anthropic, Gemini and more.
spanlens.io
- ✓ One-line baseURL-swap integration
- ✓ Supports 10+ AI providers
#5
A Wireshark-style network packet analyzer that runs entirely in the terminal, built on eBPF for handling tricky raw-IP tunnel traffic like WireGuard and GRE.
github.com
- ✓ Full three-pane packet analysis directly in the terminal, no GUI needed
- ✓ Native support for tunnel interfaces (WireGuard, GRE, tunl0)
#6
A tiny, single-binary web dashboard for monitoring a Linux VPS — CPU, memory, disk, and network — that uses about 5MB of RAM.
github.com
- ✓ Single Go binary, ~5MB RAM, no external dependencies
- ✓ One-line install
#7
An early-warning tool positioned to surface system failure points before they hit users — homepage details are minimal.
backpressure.systems
- ✓ Interesting proactive-failure-detection positioning, distinct from reactive alerting
- ✓ Simple, clear tagline communicates intent
#8
A monitoring tool built specifically for AI agents — it catches when your agent hallucinates or breaks in production, traces the failure back to the exact line of code, and can open a pull request with a fix.
traceroot.ai
- ✓ Spécialement conçu pour les échecs propres aux agents IA (hallucination, tool-call cassé)
- ✓ Analyse de cause racine reliée au code source réel
#9
A cross-platform system monitor that shows CPU, memory, disk, network, sensors and container metrics in real time — from the terminal, a web browser, or a REST API.
github.com
- ✓ Vue unique combinant CPU, mémoire, disque, réseau, capteurs et conteneurs
- ✓ Trois modes d'accès : terminal, interface web, API REST
#10
A resource monitor with a modern, mouse-friendly terminal UI showing live CPU, memory, disk, network, GPU and battery usage, plus process management.
github.com
- ✓ Interface terminal moderne avec support complet de la souris
- ✓ Monitoring GPU (NVIDIA/AMD/Intel) et batterie inclus
#11
A customizable, cross-platform terminal system monitor written in Rust, showing CPU, memory, network, disk and temperature usage with graphs, process management and a tree view.
github.com
- ✓ Graphiques visuels pour CPU, mémoire et réseau dans le temps
- ✓ Gestion des processus avec recherche, tri et arborescence
#12
A command-line ping tool that draws a live, scrolling graph of network latency in the terminal instead of a scrolling list of numbers, for one or several hosts at once.
github.com
- ✓ Graphique de latence en temps réel, plus lisible qu'une liste de chiffres
- ✓ Comparaison simultanée de plusieurs hôtes
FAQ about Laminar alternatives
- What is the best alternative to Laminar in 2026?
- Based on our selection, Braintrust is the best alternative to Laminar in 2026. AI eval and observability platform: tracing, LLM and human scoring, quality gates. Used by Vercel, Notion and Replit.. See our full ranking above to compare all options.
- Is Laminar free?
- Laminar is a paid tool. Several alternatives in our selection offer free or freemium versions.
- How many alternatives to Laminar are there?
- mySelectas has listed 12 alternatives to Laminar in the Monitoring & Observability category. Our selection is updated regularly to include the best options available.