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Better Stack vs LangSmith
Short answer: Pick Better Stack if you want all-in-one observability with AI assistance; pick LangSmith if you want LLM app observability. Better Stack has a free plan, paid from $25/month; LangSmith has a free plan, paid from $39/month per user.
Better StackUptime monitoring, incidents, logs and status pages
LangSmithTracing, evals and monitoring for LLM appsWhich to pick
Pick Better Stack if you want…
- All-in-one observability with AI assistance
- General app uptime
- Integrations with Slack, Microsoft Teams or Linear (on Better Stack's list, not LangSmith's)
Pick LangSmith if you want…
- LLM app observability
- Integrations with OpenAI SDK, Anthropic SDK or Vercel AI SDK (on LangSmith's list, not Better Stack's)
Side by side
- What it is
- Better Stack:Better Stack provides unified uptime monitoring, incident management, logs, metrics, traces and AI-native error tracking.
- LangSmith:LangSmith provides tracing, monitoring, and evaluation for LLM applications and AI agents.
- Best for
- Better Stack:All-in-one observability with AI assistance
- LangSmith:LLM app observability
- Who it’s for
- Better Stack:DevOps, SREs and engineering teams needing full-stack observability.
- LangSmith:Developers and teams building LLM-based agents and applications.
- Pricing
- Better Stack:Freemium
- LangSmith:Freemium
- Starting price
- Better Stack:$25/month (Telemetry bundles – Nano)
- LangSmith:$39/month per user (Plus)
- Free plan or trial
- Better Stack:Free plan (Free (personal projects)) · Free trial
- LangSmith:Free plan (Developer)
- Plans
- Better Stack:Free (personal projects) $0 · Responder $34 per month · AI SRE tokens $5 per million tokens · Slack & Teams incident $9 per responder license per m per month · Telemetry bundles – Nano $25 per month billed yearly
- LangSmith:Developer $0 per seat per month · Plus $39 per seat per month
- Works with
- Better Stack:Slack, Microsoft Teams, Linear, GitHub, Grafana, Datadog, Prometheus, OpenTelemetry
- LangSmith:OpenAI SDK, Anthropic SDK, Vercel AI SDK, LlamaIndex, OpenTelemetry, LangChain
Better Stack features
- AI-native SRE. Claude-style AI analyzes logs, metrics, traces and suggests tickets, merges incidents and writes post-mortems.
- eBPF service map. Zero-code instrumentation creates a live service map for tracing and SLO tracking.
- Slack/Teams incident workflow. Resolve incidents directly in Slack or Microsoft Teams with templated automations.
- Unified telemetry bundles. Logs, traces and metrics are ingested together with OpenTelemetry support and SQL/PromQL query builder.
- Real-user monitoring. Session replay, auto-captured events and web-vitals with correlation to backend telemetry.
LangSmith features
- Tracing SDKs. Native tracing for popular agent frameworks via Python, TypeScript, Go, and Java SDKs.
- Real-time Monitoring. Dashboards show latency, cost, token usage and support alerts via webhooks or PagerDuty.
- Insights & Clustering. Unsupervised topic clustering and error-analysis templates automatically surface usage patterns.
- SmithDB Query Engine. Purpose-built database for fast, random-access queries, full-text search and JSON-path filtering.
- Self-hosted Options. Managed cloud, BYOC, or fully self-hosted deployments keep data inside your VPC.
- Online Eval as LLM-as-Judge. Run code and response evaluations in real time to score quality.
- Cost Tracking. Track token usage and LSUs, with pay-as-you-go pricing per trace volume.
- Alert Integrations. Webhook and PagerDuty alerts trigger on custom metric thresholds.
Better Stack vs LangSmith FAQ
What is the difference between Better Stack and LangSmith?+
Better Stack provides general uptime, logs and incident tracking, not specialized LLM trace analysis.
Should I use Better Stack or LangSmith?+
Pick Better Stack if you want all-in-one observability with AI assistance, general app uptime or integrations with Slack, Microsoft Teams or Linear (on Better Stack's list, not LangSmith's). Pick LangSmith if you want LLM app observability or integrations with OpenAI SDK, Anthropic SDK or Vercel AI SDK (on LangSmith's list, not Better Stack's).
Is Better Stack or LangSmith free?+
Better Stack has a free plan (Free (personal projects)); paid plans start at $25/month (Telemetry bundles – Nano). LangSmith has a free plan (Developer); paid plans start at $39/month per user (Plus).
Which is cheaper, Better Stack or LangSmith?+
Better Stack starts at $25/month (Telemetry bundles – Nano) and LangSmith starts at $39/month per user (Plus); the plans are billed differently, so compare what's included.
Do Better Stack and LangSmith integrate with the same tools?+
Partly. Both list OpenTelemetry. Better Stack also lists Slack, Microsoft Teams, Linear, GitHub and 7 more; LangSmith also lists OpenAI SDK, Anthropic SDK, Vercel AI SDK, LlamaIndex and 1 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.