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What is Respan?

Respan is a comprehensive AI observability and evaluation platform engineered to help teams build, monitor, and improve AI agents without guesswork. It offers deep execution tracing that captures every layer of agent behavior, including message flows, tool calls, routing decisions, memory interactions, and final outputs. Instead of providing isolated dashboards, Respan creates a unified closed-loop system that connects observability, evaluation, optimization, and deployment. Teams can establish metric-first evaluation frameworks centered on accuracy, reliability, safety, cost efficiency, and other mission-critical performance indicators. Capability evaluations allow teams to hill-climb new features, while regression suites protect previously validated behaviors from breaking. Multi-trial testing accounts for non-deterministic model outputs, ensuring statistically meaningful performance analysis. Respan’s AI-powered evaluation agent analyzes failures across runs, pinpoints root causes, and recommends which tests should graduate or be expanded. The platform integrates seamlessly with leading AI providers and ecosystems, including OpenAI, Anthropic, AWS Bedrock, Google Vertex AI, LangChain, and LlamaIndex. It is built to handle production workloads at massive scale, supporting organizations processing trillions of tokens. Enterprise-grade compliance standards—including ISO 27001, SOC 2 Type II, GDPR, and HIPAA—ensure data security and privacy. With SDKs, integrations, and prompt optimization tools, Respan empowers engineering and product teams to debug faster, reduce production risk, and ship more reliable AI agents.

What is LangSmith?

In software development, unforeseen results frequently arise, and having complete visibility into the entire call sequence allows developers to accurately identify the sources of errors and anomalies in real-time. By leveraging unit testing, software engineering plays a crucial role in delivering efficient solutions that are ready for production. Tailored specifically for large language model (LLM) applications, LangSmith provides similar functionalities, allowing users to swiftly create test datasets, run their applications, and assess the outcomes without leaving the platform. This tool is designed to deliver vital observability for critical applications with minimal coding requirements. LangSmith aims to empower developers by simplifying the complexities associated with LLMs, and our mission extends beyond merely providing tools; we strive to foster dependable best practices for developers. As you build and deploy LLM applications, you can rely on comprehensive usage statistics that encompass feedback collection, trace filtering, performance measurement, dataset curation, chain efficiency comparisons, AI-assisted evaluations, and adherence to industry-leading practices, all aimed at refining your development workflow. This all-encompassing strategy ensures that developers are fully prepared to tackle the challenges presented by LLM integrations while continuously improving their processes. With LangSmith, you can enhance your development experience and achieve greater success in your projects.

Media

Media

Integrations Supported

Claude
Claude Duet
Codestral
GPT-4
Gemini 1.5 Flash
Gemini 2.0
Gemini Enterprise
Gemini Pro
Mistral 7B
Mistral Large
Mistral NeMo
Mistral Small
Mixtral 8x22B
Mixtral 8x7B
Pixtral Large

Integrations Supported

AgentForge
Azure Marketplace
LangGraph
Prism
Reflexio

API Availability

API Availability

Pricing Information

$0/month

Pricing Information

Pricing not provided

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Respan

Date Founded

2023

Company Location

United States

Company Website

www.respan.ai/

Company Facts

Organization Name

LangChain

Company Location

United States

Company Website

www.langchain.com/langsmith

Categories and Features

AI Development

Not specified

AI Observability

Not specified

AI Tools

Not specified

DevOps

Not specified

LLM Evaluation

Not specified

Categories and Features

AI Development

Not specified

Context Engineering

Not specified

Debugging

Not specified

Software Testing

Not specified

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