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Fiddler AI vs LangSmith
PriceAI Observability median $79.50
Published entry price$39+per seat / month
Annual estimate10 people, entry price
Not available
Offer
No offer right now
No offer right now
Focus
AI Observability
AI Observability
Product
AI observability platform for monitoring, explaining, and analyzing ML model predictions in production.
LangSmith is LangChain's platform for debugging, testing, evaluating, and monitoring LLM applications and agent workflows.
Headquarters
Palo Alto, California
San Francisco, California
Company size
51-200 employees
201-500 employees
Plan
Not available
Published entry price
Published rate
Not available
$39+ / seat / month
Billable seats
Not available
10
Free options
Free plan
Free plan, Free trial
Other costs
Not available
Not available
Pricing source
Not available
Source updated
Oct 19, 2026
Oct 19, 2026
Capabilities
Plan capabilities
Integrations
Buyer fit
Best for
Company size
Security and switching
Security reviews
Security and migration
Case studies and sources
Case studies
Customer evidence
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AI Observability
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