LangSmithAI Agents
vs
LlamaIndexTurn any document into agent-ready context.
Comparison · AI Agents · weekly run Nov 3
LangSmith vs LlamaIndex
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
LangSmith is the stronger AI pick in AI Agents: it has a visibility score of 3 versus 2.2 for LlamaIndex.
Choose LangSmith if…
- You want the brand AI engines rank higher (3 vs 2.2)
- You need ISO 27001 (Engine feature) coverage
- strong production observability
- tracing, debugging and response evaluation
Choose LlamaIndex if…
- AI answers describe it more positively (20% vs 17% positive)
- Premier choice for RAG-centric agents
- Named as a popular agent development framework
AI visibility side by side
Latest weekly run · Nov 3
| Metric | LangSmith | LlamaIndex |
|---|---|---|
| Visibility score | 3% | 2.2% |
| Change vs last week | New | New |
| Rank in AI Agents | #31 | #41 |
| Share of voice | 0.9% | 0.8% |
| Mentions this run | 6 | 5 |
| Positive in AI answers | 17% | 20% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
LangSmith 0pp · LlamaIndex 0pp over 0 weekly runs.
Engine by engine
LangSmith leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
LangSmithLlamaIndex
Head to head in AI answers
0 engine answers name both brands
0LangSmith ranked higher
0LlamaIndex ranked higher
Features, pricing & fit
| Dimension | LangSmith | LlamaIndex |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | Free; paid from $50 / mo |
| Free plan | — | Yes |
| Deployment | Cloud, Bring Your Own Cloud, and Self-hosted | LlamaParse runs as SaaS on a secure cloud tenant, or can be deployed in a customer's private VPC across cloud providers. |
| Compliance | SOC 2 Type II, HIPAA, GDPR, ISO 27001 (Engine feature) | SOC 2 Type II, GDPR, HIPAA |
| Support | — | Community, Basic (email), Priority (Slack Connect), Dedicated |
| Headquarters | San Francisco, California | San Francisco, California, United States |
| Employees | — | 11–50 |
| Funding | Series B | Strategic minority equity investments (Databricks, KPMG) · $28M raised |
| Best for | — | Teams in document-heavy industries such as finance, insurance, healthcare and manufacturing that need accurate parsing of complex tables, charts and scanned pages. |
Plans side by side
LangSmith
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
LangSmith
- strong production observability
- tracing, debugging and response evaluation
LlamaIndex
- Premier choice for RAG-centric agents
- Named as a popular agent development framework
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “LangSmith vs LlamaIndex”, https://slateindex.ai/compare/langsmith-vs-llamaindex, data of Nov 3, 2026. Licence: CC BY 4.0.