Platform for building, testing, and monitoring AI agents in production.
LangSmith is an all-in-one platform for developing, evaluating, and monitoring LLM applications. It provides developer tools for tracing, debugging, and evaluating AI agents in production.
The platform enables teams to build reliable AI applications with observability, prompt management, and automated evaluation. LangSmith is tightly integrated with the LangChain ecosystem, allowing teams to test and iterate on their AI products.
Buildbox
Agent Analytics
heybuildbox.com
Lyzr AI
AgenticOS, Agent Studio, Control Plane
lyzr.ai
Fiddler
AI Control Plane
fiddler.ai
Patronus AI
Digital World Models
patronus.ai
Galileo
Eval Engineering Platform
rungalileo.io
Flint AI
Flint Platform
flintai.dev
Honeycomb
Honeycomb Agent and LLM Observability
honeycomb.io
Langfuse
Langfuse Platform
langfuse.com
Telem AI
Observability
telem.ai
Oodle AI
Oodle Agent Observability
oodle.ai
Hegel AI
PromptTools
Raindrop
Raindrop — Monitoring Platform for AI Agents
raindrop.ai
| Attribute | LangSmith | Agent Analytics | AgenticOS, Agent Studio, Control Plane | AI Control Plane | Digital World Models | Eval Engineering Platform | Flint Platform | Honeycomb Agent and LLM Observability | Langfuse Platform | Observability | Oodle Agent Observability | PromptTools | Raindrop — Monitoring Platform for AI Agents | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Provider |  | | | | | | | | | | | | | |
| Founded | 2023 | 2026 | 2023 | 2018 | 2023 | 2021 | 2026 | 2016 | 2022 | — | 2023 | 2023 | 2023 | |
| Sells To | Developer, Enterprise | Enterprise | Enterprise, Financial Institutions | Enterprise | — | Enterprise | Developers | B2B, Enterprise | Enterprise | Enterprises | B2B | Enterprise | Enterprise | |
| Pricing Model | Recurring, Software | B2B Subscription | Recurring, SaaS, Software | Recurring, Software | — | Recurring, SaaS | Free, Freemium | Recurring, Software, Subscription, Usage-based | Recurring, SaaS | B2B Subscription | B2B Subscription | Recurring, Software | Recurring, Software | |
| Ownership | Private, Venture-backed | Private | Venture-backed | Venture-backed | Venture-backed | Venture-backed | — | Private, Venture-backed | Venture-backed | Private | Private | Venture-backed | Venture-backed |
Provider
Founded 2023
Sells To Developer, Enterprise
Pricing Model Recurring, Software
Ownership Private, Venture-backed
Provider
Founded 2026
Sells To Enterprise
Pricing Model B2B Subscription
Ownership Private
Provider
Founded 2023
Sells To Enterprise, Financial Institutions
Pricing Model Recurring, SaaS, Software
Ownership Venture-backed
Provider
Founded 2018
Sells To Enterprise
Pricing Model Recurring, Software
Ownership Venture-backed
Provider
Founded 2023
Sells To —
Pricing Model —
Ownership Venture-backed
Observability and evaluation platform for shipping quality AI agents at scale.
Portkey AI provides a gateway platform for managing and observing large language model deployments.
Observability and evaluation platform for shipping quality AI agents at scale.
Portkey AI provides a gateway platform for managing and observing large language model deployments.
