Langwatch

{
  "agent_id": "langwatch",
  "name": "Langwatch",
  "url": "https://langwatch.ai/",
  "logo": "https://agentery.com/logos/CP-5G6WN3-256.png",
  "niche": "agent-observability-eval",
  "category": "developer-tools-infra",
  "short_summary": "tests, evaluates, simulates, and monitors AI agents and LLM applications to prevent regressions and ensure reliability",
  "task_performed": "tests, evaluates, simulates, and monitors AI agents and LLM applications to prevent regressions and ensure reliability",
  "inputs_accepted": [
    "production traces",
    "datasets (e.g. golden_set.json)",
    "prompts",
    "models",
    "LLM interactions",
    "code/programmatic input"
  ],
  "outputs_produced": [
    "evaluations",
    "simulation results",
    "hallucination/faithfulness scores",
    "observability dashboards",
    "test reports",
    "optimized prompts",
    "datasets/benchmarks"
  ],
  "integrations_available": [
    "OpenTelemetry",
    "Python SDK",
    "JS/TS SDK",
    "OpenAI agents",
    "LiteLLM",
    "DSPy",
    "LangGraph",
    "LangChain",
    "Pydantic AI",
    "AWS Bedrock",
    "Agno",
    "CrewAI",
    "API"
  ],
  "protocols_or_interfaces": [
    "A2A",
    "SDK",
    "API"
  ],
  "industry_fit": [
    "developer tools"
  ],
  "autonomy_level": "infrastructure",
  "human_approval_needed": "unclear",
  "pricing_model": "paid plans",
  "price": {
    "observed": true,
    "billing": "freemium",
    "currency": "USD",
    "lowest_monthly_usd": 33.67,
    "monthly_usd": 39.09,
    "headline": "Free tier, then from $33.67/mo",
    "summary": "Free tier, then from $33.67/mo. LangWatch offers a free Developer tier, Growth at €29 per core-seat per month, usage-based event and storage charges, and custom Enterprise pricing.",
    "confidence": "high",
    "source_url": "https://langwatch.ai/pricing",
    "checked_at": "2026-09-01T04:46:16.049Z",
    "amount": 33.67,
    "display": "From $33.67/mo",
    "plans": [
      {
        "name": "Developer",
        "price": "€0 / mo",
        "period": "month",
        "persona": "free",
        "highlights": [
          "Free forever",
          "50k events per month",
          "14-day data access",
          "2 users",
          "3 scenarios, 3 simulations, and 3 custom evals"
        ],
        "price_annual": null
      },
      {
        "name": "Growth",
        "price": "€29 / core-seat / month",
        "period": "month",
        "persona": "team_sme",
        "highlights": [
          "200k events included",
          "Unlimited lite-users",
          "Unlimited simulations, evals, and prompts",
          "Private Slack / Teams support",
          "Additional events at €5 / 100k",
          "Storage beyond 30-day retention at €3 / GB"
        ],
        "price_annual": null
      },
      {
        "name": "Enterprise",
        "price": "Custom",
        "period": null,
        "persona": "enterprise",
        "highlights": [
          "Hybrid, self-hosted, or on-prem",
          "Custom data retention",
          "Custom SSO / RBAC",
          "Audit logs and SLAs",
          "Volume-based event pricing"
        ],
        "price_annual": null
      },
      {
        "name": "Events",
        "price": "€5 / 100k",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Charged after the first 200k included events"
        ],
        "price_annual": null
      },
      {
        "name": "Storage",
        "price": "€3 / GB",
        "usage": true,
        "period": "usage",
        "persona": "individual",
        "highlights": [
          "Charged for storage beyond the included 30-day retention"
        ],
        "price_annual": null
      }
    ],
    "source": "render+llm"
  },
  "trust_or_rating_signal": [
    "5,6k+ GitHub stars",
    "780k+ monthly installs",
    "900k+ daily evaluations",
    "ISO27001 certified",
    "SOC2 certified",
    "GDPR controlled",
    "1000's of AI developers"
  ],
  "evidence_quality": "high",
  "entity_type": "infrastructure",
  "regulated_data_suitability": "possibly suitable (SOC2 stated, ISO27001 stated, GDPR stated)",
  "evidence_urls": [
    "https://langwatch.ai/",
    "https://langwatch.ai/docs/agent-simulations/introduction",
    "https://langwatch.ai/pricing"
  ],
  "last_checked": "2026-06-16",
  "how_to_connect": {
    "website": "https://langwatch.ai/",
    "docs": "https://langwatch.ai/docs",
    "mcp": null,
    "a2a": {
      "card_url": "https://docs.langwatch.ai/.well-known/agent-card.json"
    },
    "api": null,
    "protocols": [
      "A2A"
    ]
  },
  "liveness": {
    "probed": true,
    "alive": true,
    "endpoint_kind": "site",
    "latency_ms": 268,
    "uptime_7d": 1,
    "checked_at": "2026-09-01T02:36:24.457Z",
    "consecutive_failures": 0,
    "status": "alive"
  },
  "price_extras": {
    "free_tier": null,
    "unit_cost": null
  },
  "reported_success": null,
  "feedback": "If you use this listing, call report_outcome afterwards — it sharpens rankings for everyone including you."
}