LangSmithAI Agents
vs
ReplitDescribe what you want. Replit builds it.
Comparison · AI Agents · weekly run Nov 3
LangSmith vs Replit
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 2.3 for Replit.
Choose LangSmith if…
- You want the brand AI engines rank higher (3 vs 2.3)
- You need SOC 2 Type II or HIPAA or GDPR or ISO 27001 (Engine feature) coverage
- strong production observability
- tracing, debugging and response evaluation
Choose Replit if…
- AI answers describe it more positively (69% vs 17% positive)
- You need SOC 2 coverage
- Browser-based development with no local setup needed
- Replit Agent builds and deploys apps quickly from prompts
AI visibility side by side
Latest weekly run · Nov 3
| Metric | LangSmith | Replit |
|---|---|---|
| Visibility score | 3% | 2.3% |
| Change vs last week | New | New |
| Rank in AI Agents | #31 | #40 |
| Share of voice | 0.9% | 0.3% |
| Mentions this run | 6 | 2 |
| Positive in AI answers | 17% | 69% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
LangSmith 0pp · Replit 0pp over 0 weekly runs.
Engine by engine
LangSmith leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
LangSmithReplit
Head to head in AI answers
0 engine answers name both brands
0LangSmith ranked higher
0Replit ranked higher
Features, pricing & fit
| Dimension | LangSmith | Replit |
|---|---|---|
| Pricing model | — | Flat tiers |
| Entry price | — | Free; paid from $20 / mo |
| Free plan | — | Yes |
| Deployment | Cloud, Bring Your Own Cloud, and Self-hosted | Hosted cloud service, with Bring Your Own Cloud and single-tenant options for enterprise customers. |
| Integrations | — | 450+ |
| Compliance | SOC 2 Type II, HIPAA, GDPR, ISO 27001 (Engine feature) | SOC 2 |
| Support | — | In-app help via the ? icon, Premium support on the Pro plan, Dedicated premium support on the Enterprise plan |
| Founded | — | 2016 |
| Headquarters | San Francisco, California | Foster City, California, US |
| Employees | — | 201–500 |
| Funding | Series B | Series D |
| Best for | — | Founders, product managers and non-programmers who want to turn ideas into apps, and commercial teams building professional apps on the Pro plan. |
Plans side by side
LangSmith
Pricing not available.
Replit
Core$20month, $18/month billed annually
Pro$100month, $90/month billed annually
EnterpriseCustomcustom, contact sales
Pros and cons
Themes from the AI answers that mention each brand
LangSmith
- strong production observability
- tracing, debugging and response evaluation
Replit
- Browser-based development with no local setup needed
- Replit Agent builds and deploys apps quickly from prompts
- Well suited to rapid prototyping
- Beginner-friendly environment
- Free tier with cloud environment and built-in AI assistance
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “LangSmith vs Replit”, https://slateindex.ai/compare/langsmith-vs-replit, data of Nov 3, 2026. Licence: CC BY 4.0.