{"name":"LangChain","slug":"langchain","pricingModel":"freemium","normalized":{"currency":"USD","entry":{"plan":"Plus","kind":"paid","priceText":null,"perMonth":39,"unit":"unknown","unitNoun":null,"billing":"monthly","free":false,"contactSales":false},"entryStatus":"priced","entryNote":null,"plans":[{"plan":"Developer","kind":"free","priceText":null,"perMonth":0,"unit":"unknown","unitNoun":null,"billing":"unknown","free":true,"contactSales":false},{"plan":"Plus","kind":"paid","priceText":null,"perMonth":39,"unit":"unknown","unitNoun":null,"billing":"monthly","free":false,"contactSales":false},{"plan":"Enterprise","kind":"contact_sales","priceText":null,"perMonth":null,"unit":"unknown","unitNoun":null,"billing":"unknown","free":false,"contactSales":true}],"hasFreePlan":true,"hasFreeTrial":false,"contactSalesOnly":false},"pricingDetails":{"tiers":[{"name":"Developer","price":0,"period":"month","features":["5,000 traces/month","Basic features","Community support","LangSmith included"],"isPopular":false,"description":"Getting started"},{"name":"Plus","price":39,"period":"month","features":["100,000 traces/month","All features","Email support","Longer retention"],"isPopular":true,"description":"Growing projects"},{"name":"Enterprise","price":null,"period":"custom","features":["Unlimited traces","SSO/SAML","SLA","Dedicated support"],"isPopular":false,"description":"Large scale"}],"currency":"USD","billingNote":"LangSmith observability platform","hasFreeTier":true,"hasFreeTrial":false,"startingPrice":39},"costFacts":null,"pricesByRegion":null,"verdict":"LangChain's pricing is quite generous, especially with a robust free Developer tier offering 5,000 traces/month. The Plus tier at $39/month for 100,000 traces offers excellent value for growing projects. This structure is best for developers and small to medium-sized teams building and monitoring LLM applications.","bestFor":"LLM developers starting projects | Teams needing robust observability | Scaling AI application development","hiddenCosts":["Potential overage fees for traces"],"recentChanges":[],"priceHistory":[],"partnerLink":false,"correction":"This price may be out of date. If the vendor's page differs, call report_issue with evidence_url and quote, or verify_price.","provenance":{"lastVerifiedAt":"2026-10-02","sourceUrl":"https://langchain.com/pricing","confidence":"low"},"source":"Toolradar","citation":"Toolradar, verified 2026-10-02, https://toolradar.com/tools/langchain/pricing","affiliateUrl":"https://toolradar.com/api/go/langchain?ref=mcp&key=json","toolradarUrl":"https://toolradar.com/tools/langchain/pricing"}