Baseten
Baseten
Production inference platform with dedicated deployments.
- Version
- 2025
- Cost
- Usage-based, enterprise tiers
- Model
- open weights
LangSmith
LangChain · #6 most active of 17 in Infrastructure & Serving
Tracing, evals and monitoring for LLM applications.
Current version
2025
Entry cost
Free tier · from $39/mo
Changes / 30d
0
The short answers
- What is the latest version of LangSmith?
- The current shipped version of LangSmith is 2025.
- How much does LangSmith cost?
- LangSmith starts at $39 per month on its cheapest paid tier.
- What AI model does LangSmith use?
- LangSmith runs primarily on model-agnostic.
Source: LangChain (no public source page recorded) · Reusable under CC BY 4.0 — cite Tomorrow
Capabilities
- Traces
- Datasets
- Evaluators
Pricing
Free dev tier, $39/user/mo Plus
Entry price over time
Not enough pricing history yet — we start charting from the second observation.
Geek mode
Models under the hood
- disclosed
model-agnostic
Provider undisclosed
Context window
—
Public API
no
Multi-model routing
no
Stack signals
- LangChain
- OTel
Shared model stack
Other tracked products running on the same foundation models — a quick read on how much of the catalog moves when one of these models changes.
- model-agnostic+1 aliasProvider undisclosed · 7 products
green disclosed · amber inferred · grey unattributed. Aliases are folded into one model; provider concentration counts only models with an established vendor.
Reported scale
Reference data. Each figure is whatever the source actually said — weekly users, downloads, revenue run-rate — with its own definition and date. These are not comparable between tools and are never used to rank anything.
No public usage figure on record for this product.
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Eval-first platform for shipping LLM features safely.
- Version
- 2025
- Cost
- Free tier, usage-based
- Model
- model-agnostic
Chroma
Chroma
Embedded-first vector store popular in prototypes and agents.
- Version
- 1.x
- Cost
- Open source; cloud usage-based
- Model
- embeddings-agnostic
Fireworks AI
Fireworks AI
Low-latency serving for open models and custom fine-tunes.
- Version
- 2025
- Cost
- Per-token usage
- Model
- Llama
Hugging Face
Hugging Face
The model and dataset registry the open ecosystem runs on.
- Version
- Hub
- Cost
- Free tier · from $9/mo
- Model
- hosts most open weights
LM Studio
LM Studio
Desktop app for running and serving local models.
- Version
- 0.3x
- Cost
- Free for personal use
- Model
- open weights
Elsewhere on the same models
Products in other segments that name one of LangSmith's models in their stack.
CrewAI
CrewAI
Role-based multi-agent orchestration framework and platform.
- Version
- 0.1x
- Cost
- Open source; enterprise quoted
- Model
- model-agnostic
LangGraph
LangChainUnited States
4
Stateful agent runtime
- Version
- LangGraph
- Cost
- LangGraph is an MIT-licensed open-source library and is free to use.
- Model
- Model-agnostic
LlamaIndex
LlamaIndex
Data framework and agent workflows for document-heavy RAG.
- Version
- 0.1x
- Cost
- Open source; LlamaCloud usage-based
- Model
- model-agnostic
Relevance AI
Relevance AI
AI workforce platform for building teams of business agents.
- Version
- 2025
- Cost
- Free tier · from $19/mo
- Model
- model-agnostic
Change history
No changes recorded yet.
LangSmith compared
Straight head-to-head pages against the busiest products in Infrastructure & Serving.
How to cite this page
Free to cite and reuse under CC BY 4.0. Permalink: https://tomorrow.aliensquad.ai/tools/langsmith
APA
Tomorrow. (2026). LangSmith — version, pricing and model stack [Data set entry]. AlienSquad. Retrieved 2026-09-17, from https://tomorrow.aliensquad.ai/tools/langsmith
BibTeX
@misc{tomorrow-tools-langsmith,
author = {{Tomorrow}},
title = {LangSmith — version, pricing and model stack},
year = {2026},
publisher = {AlienSquad},
howpublished = {\url{https://tomorrow.aliensquad.ai/tools/langsmith}},
note = {Accessed: 2026-09-17}
}