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About

Langtrace is an open source observability tool that collects and analyzes traces and metrics to help you improve your LLM apps. Langtrace ensures the highest level of security. Our cloud platform is SOC 2 Type II certified, ensuring top-tier protection for your data. Supports popular LLMs, frameworks, and vector databases. Langtrace can be self-hosted and supports OpenTelemetry standard traces, which can be ingested by any observability tool of your choice, resulting in no vendor lock-in. Get visibility and insights into your entire ML pipeline, whether it is a RAG or a fine-tuned model with traces and logs that cut across the framework, vectorDB, and LLM requests. Annotate and create golden datasets with traced LLM interactions, and use them to continuously test and enhance your AI applications. Langtrace includes built-in heuristic, statistical, and model-based evaluations to support this process.

About

telemetry.dev is an OpenTelemetry-native observability platform for AI agents and LLM applications. Developers can trace model calls, tool steps, retrievals, logs, and metrics; inspect failures, latency, token usage, and estimated cost; and compare activity by model, provider, and environment. It supports first-party TypeScript and Python SDKs, provider and framework integrations, and standard OTLP/HTTP ingest. Environment-level capture controls, SDK masking, and server-side redaction help teams manage stored prompt, response, and telemetry content.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers wanting a solution to analyze, manage, and improve their LLM applications

Audience

Developers and engineering teams building, operating, and debugging AI agents and LLM applications.

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

$0/month
Prices are per organization per month. Free includes 30,000 ingestion units per month, 14-day retention, 1 project, and 2 seats. Pro is $25 per month with 500,000 ingestion units, 30-day retention, 5 projects, and 5 seats. Team is $50 per month with 2 million ingestion units, 90-day retention, unlimited projects and seats, and priority support. One normalized span, OTLP log record, or metric data point counts as one ingestion unit. Paid ingestion continues beyond the listed allowances without automatic overage charges; the vendor may contact consistently high-usage customers.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Langtrace
www.langtrace.ai/

Company Information

telemetry.dev
telemetry.dev/

Alternatives

Alternatives

Logfire

Logfire

Pydantic
TelemetryHub

TelemetryHub

TelemetryHub by Scout APM
Arize Phoenix

Arize Phoenix

Arize AI
Prefix

Prefix

Stackify
Grafana Cloud

Grafana Cloud

Grafana Labs

Categories

AI Observability Supported
Observability Supported
Telemetry Supported

Categories

Integrations

LangChain Supported
OpenAI Supported
OpenTelemetry Supported
Amazon Bedrock Not Supported
Chroma Supported
Claude Supported
Cohere Supported
CrewAI Not Supported
Elastic Cloud Supported
Gemini Supported
Gemini 1.5 Pro Supported
Gemini 2.0 Flash Supported
Gemini Enterprise Supported
Gemini Nano Supported
Gemini Pro Supported
Google AI Plus Supported
LlamaIndex Supported
Model Context Protocol (MCP) Not Supported
Pinecone Supported
SigNoz Supported

Integrations

LangChain Supported
OpenAI Supported
OpenTelemetry Supported
Amazon Bedrock Supported
Chroma Not Supported
Claude Not Supported
Cohere Not Supported
CrewAI Supported
Elastic Cloud Not Supported
Gemini Not Supported
Gemini 1.5 Pro Not Supported
Gemini 2.0 Flash Not Supported
Gemini Enterprise Not Supported
Gemini Nano Not Supported
Gemini Pro Not Supported
Google AI Plus Not Supported
LlamaIndex Not Supported
Model Context Protocol (MCP) Supported
Pinecone Not Supported
SigNoz Not Supported
Claim Langtrace and update features and information
Claim Langtrace and update features and information
Claim telemetry.dev and update features and information
Claim telemetry.dev and update features and information