Sentry alternatives
Sentry is error monitoring and performance tracing for software teams. If it is not the right fit on price, features or setup, these 10 tools do a similar job. We rank them by how closely they match Sentry, and every listing is checked against its official site.
Compare Sentry and its alternatives
| Tool | Best for | Pricing | Starts at | MCP server |
|---|---|---|---|---|
| Sentrycurrent | Engineering teams monitoring production apps | Free plan | Free developer plan, Team from $26/month billed annually | Official |
| LangChain | Engineering teams building and monitoring LLM agents | Open source | Framework free; LangSmith Developer free, Plus $39/seat/month plus usage (as of October 2026) | Not checked |
| Pydantic AI | Python teams building production agents | Open source | See site | Not checked |
| Arize AI | Teams monitoring and evaluating LLM agents in production | Free plan | Free AX plan, AX Pro $50/month, Enterprise custom (as of October 2026) | Not checked |
| Braintrust | AI product teams running evals on agents in production | Free plan | Free Starter plan, Pro $249/month, Enterprise custom (as of October 2026) | Official |
| Langfuse | Engineering teams tracing and evaluating LLM apps | Open source | Free Hobby cloud plan and free self-hosting, Core from $29/month, Pro $199/month (as of October 2026) | Official |
| Cursor | Engineering teams adopting agent-assisted coding | Free plan | Free Hobby plan, paid from $20/month (Individual), Teams $40/user/month (as of October 2026) | Not checked |
| GitHub Copilot | Developer teams already on GitHub | Free plan | Free plan, Pro $10/month, Pro+ $39/month, Max $100/month; Business and Enterprise via sales (as of October 2026) | Official |
| Lovable | Founders and teams building apps and prototypes without a dev team | Free plan | See site | Official |
| Replit | Teams and founders prototyping and shipping apps fast | Paid | Core $20/month ($18 billed annually) | Official |
| v0 | Developers and product teams prototyping web apps | Free plan | Free tier, Plus $30/user/month | Not checked |
The alternatives
1. LangChain
Open-source framework for building LLM apps, with the LangSmith platform for monitoring and deployment.
Pricing: Open source, from Framework free; LangSmith Developer free, Plus $39/seat/month plus usage (as of October 2026) · Best for: engineering teams building and monitoring LLM agents · Also covers: observability
2. Pydantic AI
Typed Python framework for building AI agents across many model providers.
Pricing: Open source · Best for: python teams building production agents · Also covers: observability
3. Arize AI
Agent observability and evaluation platform, with the open-source Phoenix for tracing and evals.
Pricing: Free plan, from Free AX plan, AX Pro $50/month, Enterprise custom (as of October 2026) · Best for: teams monitoring and evaluating LLM agents in production
4. Braintrust
AI observability and evals platform for tracing agents, running experiments and scoring outputs.
Pricing: Free plan, from Free Starter plan, Pro $249/month, Enterprise custom (as of October 2026) · Best for: aI product teams running evals on agents in production
5. Langfuse
Open-source LLM engineering platform for tracing, prompt management and evaluations.
Pricing: Open source, from Free Hobby cloud plan and free self-hosting, Core from $29/month, Pro $199/month (as of October 2026) · Best for: engineering teams tracing and evaluating LLM apps
6. Cursor
AI code editor with coding agents, built by Anysphere.
Pricing: Free plan, from Free Hobby plan, paid from $20/month (Individual), Teams $40/user/month (as of October 2026) · Best for: engineering teams adopting agent-assisted coding
7. GitHub Copilot
AI coding assistant in the IDE, CLI and GitHub, with agent mode and code review.
Pricing: Free plan, from Free plan, Pro $10/month, Pro+ $39/month, Max $100/month; Business and Enterprise via sales (as of October 2026) · Best for: developer teams already on GitHub
8. Lovable
AI app builder that turns prompts into working web apps and internal tools.
Pricing: Free plan · Best for: founders and teams building apps and prototypes without a dev team
9. Replit
Browser-based environment where Replit Agent builds and deploys apps from prompts.
Pricing: Paid, from Core $20/month ($18 billed annually) · Best for: teams and founders prototyping and shipping apps fast
10. v0
Vercel's AI assistant for building web apps and UIs from text prompts.
Pricing: Free plan, from Free tier, Plus $30/user/month · Best for: developers and product teams prototyping web apps
Frequently asked questions
What is the best alternative to Sentry?+
LangChain, Pydantic AI and Arize AI are the closest matches in our directory. LangChain: Open-source framework for building LLM apps, with the LangSmith platform for monitoring and deployment.
Is there a free alternative to Sentry?+
LangChain, Pydantic AI, Arize AI and Braintrust have a free plan or are open source. Free plans usually cap usage or features.
Is there an open-source alternative to Sentry?+
Yes: LangChain, Pydantic AI and Langfuse.
What is Sentry?+
Error monitoring and performance tracing for software teams.
More alternatives