LangGraph vs Sierra
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
LangGraph is the stronger AI pick in AI Agents: it has a visibility score of 24.4 versus 1.5 for Sierra, and ranks ahead in 100% of the answers that name both.
Choose LangGraph if…
- You want the brand AI engines rank higher (24.4 vs 1.5)
- AI answers describe it more positively (44% vs 33% positive)
- You need a self-hosted or on-premises option
- You need SOC 2 Type II or ISO 27001:2022 or GDPR or HIPAA coverage
Choose Sierra if…
No clear advantage in the published data.
AI visibility side by side
Latest weekly run · Nov 3
| Metric | LangGraph | Sierra |
|---|---|---|
| Visibility score | 24.4% | 1.5% |
| Change vs last week | New | New |
| Rank in AI Agents | #4 | #49 |
| Share of voice | 5.3% | 0.5% |
| Mentions this run | 33 | 3 |
| Positive in AI answers | 44% | 33% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
LangGraph 0pp · Sierra 0pp over 0 weekly runs.
Engine by engine
LangGraph leads on 3 of 3 engines
Head to head in AI answers
2 engine answers name both brands
| Prompt | Engine | LangGraph | Sierra |
|---|---|---|---|
| Top AI agent platform options for B2B SaaS companies | ChatGPT | #2 | #10 |
| Best AI agent platform for enterprise | Perplexity | #7 | #12 |
Features, pricing & fit
| Dimension | LangGraph | Sierra |
|---|---|---|
| Deployment | SaaS in US and EU regions, plus self-hosted and hybrid options available on Enterprise only. | Managed and forward-deployed, with no self-serve option. |
| Compliance | SOC 2 Type II, ISO 27001:2022, GDPR, HIPAA | — |
| Founded | — | 2024 |
| Headquarters | San Francisco | San Francisco, California, United States |
| Employees | — | 1,001–5,000 |
| Funding | Series B | Series E, led by Tiger Global and GV |
| Best for | Teams building long-running, stateful AI agents. | Businesses that want customer service AI agents across chat and voice, built by customer experience teams with or without engineering support. |
Pros and cons
Themes from the AI answers that mention each brand
LangGraph
- Production standard for stateful, multi-agent workflows
- Strong engineering control for complex, cyclical agent logic
- Widely adopted open-source developer framework
- Best choice for autonomous AI agents
- Heavy developer framework that requires coding effort
Sierra
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “LangGraph vs Sierra”, https://slateindex.ai/compare/langgraph-vs-sierra, data of Nov 3, 2026. Licence: CC BY 4.0.