LangChain's hosted platform for tracing, evaluating and monitoring LLM applications and agents. Un produit fermé de LangChain.
| Outil | Remplacement | Étoiles | Licence | Conditions | Auto-hébergeable | Langage | Dernière release | Dernier push |
|---|---|---|---|---|---|---|---|---|
| Langfuse | Remplacement complet | 35k | Other | Open core | Oui | TypeScript | v4.53.0 | 2026-10-06 |
| Opik | Remplacement complet | 22k | Apache-2.0 | Open source | Oui | Python | 2.2.92 | 2026-10-06 |
| Arize Phoenix | Remplacement complet | 12k | Other | Source disponible | Oui | Python | arize-phoenix-v20.19.0 | 2026-10-06 |
| LangWatch | Remplacement complet | 4.9k | Apache-2.0 | Open source | Oui | TypeScript | langwatch-3.20.1 | 2026-10-06 |
| Agenta | Remplacement complet | 4.8k | Other | Open core | Oui | TypeScript | v0.122.1 | 2026-10-06 |
| Laminar | Remplacement complet | 3.3k | Apache-2.0 | Open source | Oui | TypeScript | v0.2.5 | 2026-10-06 |
| Evidently | Partiel | 8k | Apache-2.0 | Open source | Oui | Jupyter Notebook | v0.7.23 | 2026-09-29 |
| Helicone | Partiel | 6.2k | Apache-2.0 | Open source | Oui | TypeScript | v2025.08.21-1 | 2026-09-16 |
| OpenLIT | Partiel | 2.8k | Apache-2.0 | Open source | Oui | TypeScript | openlit-2.1.0 | 2026-10-05 |
9 alternatives
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AI Observability & Evaluation
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Agenta is a workspace where you and your team build agents and automations.
Prompt management, evaluations and tracing in one platform.
Laminar - open-source observability platform purpose-built for AI agents. YC S24.
Tracing, evaluations and datasets for LLM apps and agents, with OpenTelemetry ingestion.
Evidently is an open-source ML and LLM observability framework. Evaluate, test, and monitor any AI-powered system or data pipeline. From tabular data to Gen AI. 100+ metrics.
Evaluations and monitoring for ML and LLM systems, from a Python library with a self-hosted UI.
🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓
Logs requests through a proxy gateway, with cost tracking and prompt versions, lighter on agent traces and evaluations.
OpenLIT is the open-source agent harness engineering platform: trace, evaluate, guard, and improve everything around the model in your AI agents, on OTEL.
OpenTelemetry-native traces and metrics for LLM apps, GPUs and vector databases, with prompt management.