LangChain vs Portkey: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for LangChain and Portkey side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, LangChain leads on lower entry price. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
LangChain
Build LLM-powered applications
Best for you if:
- • You want great for AI apps
Portkey
Production stack for Gen AI builders: AI Gateway, Observability, Guardrails, Governance, and Prompt Management.
Best for you if:
- • You want LLM gateway
| At a Glance | LangChain | Portkey |
|---|---|---|
Starts at | Free plan, paid from $39/mo, billed monthly Plus plan | Free plan, paid from $49/mo, billed monthly Production plan |
Category | AI Agents Developer Tools | AI Assistants API Tools |
Rating | 4.6/5 G2 4.5 · SourceForge 5.0 127 reviews | 4.6/5 G2 4.6 18 reviews |
Free plan | Yes | Yes |
Watch out for | Potential overage fees for traces | n/a |
Choose LangChain or Portkey?
Choose LangChain if
- You want great for AI apps
- You want active development
- Budget matters ($39/mo, billed monthly vs $49/mo, billed monthly)
- You work in AI agents, not AI assistants
Choose Portkey if
- You want LLM gateway
- You want good observability
- You work in AI assistants, not AI agents
In-Depth Analysis
LangChain
Build LLM-powered applications
LangChain's pricing is quite generous, especially with a robust free Developer tier offering 5,000 traces/month.
Watch out
Potential overage fees for traces
Strengths
- Pro: Great for AI apps
- Pro: Active development
- Pro: Large community
Weaknesses
- Con: Fast changing API
- Con: Can be complex
Key features
Portkey
Production stack for Gen AI builders: AI Gateway, Observability, Guardrails, Governance, and Prompt Management.
Portkey's pricing is fair, offering a generous free Developer tier with 10k requests/month.
Strengths
- Pro: LLM gateway
- Pro: Good observability
- Pro: Multiple providers
- Pro: Fair pricing
- Pro: Active development
Weaknesses
- Con: Newer platform
- Con: Learning curve
- Con: Latency overhead
- Con: Feature gaps
- Con: Smaller community
Key features
Plans and prices: LangChain vs Portkey
| Tool | Plans and prices | Source |
|---|---|---|
| LangChain |
| langchain.com/pricing read Oct 2, 2026 |
| Portkey |
| portkey.ai/pricing read Oct 4, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on LangChain pricing and Portkey pricing.
Key Takeaways
LangChain
- Lower entry price: $39/mo, billed monthly vs $49/mo, billed monthly
Portkey
- Choose if you want production stack for Gen AI builders: AI Gateway, Observability, Guardrails, Governance, and Prompt Management
What the data shows
On the data below, LangChain leads on lower entry price. We do not name an overall winner for this pair.
- User ratings rest on too few reviews to rank (4.6/5 from 127 reviews for LangChain, 4.6/5 from 18 reviews for Portkey; we compare ratings only above 20 reviews on both sides).
- LangChain has the lower entry price: $39/mo, billed monthly (Plus) against $49/mo, billed monthly (Production) for Portkey.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do LangChain and Portkey compare in 2026?
On the data below, LangChain leads on lower entry price. We do not name an overall winner for this pair. User ratings rest on too few reviews to rank (4.6/5 from 127 reviews for LangChain, 4.6/5 from 18 reviews for Portkey; we compare ratings only above 20 reviews on both sides). LangChain has the lower entry price: $39/mo, billed monthly (Plus) against $49/mo, billed monthly (Production) for Portkey. Both have a free plan.
What are LangChain and Portkey used for?
LangChain: Build LLM-powered applications. Portkey: Production stack for Gen AI builders: AI Gateway, Observability, Guardrails, Governance, and Prompt Management.
What does LangChain cost vs Portkey?
LangChain's cheapest paid plan is Plus at $39/mo, billed monthly; it also has a free plan. Portkey's cheapest paid plan is Production at $49/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 4, 2026.
What's the main difference between LangChain and Portkey?
LangChain's main strength: great for AI apps. Portkey's main strength: LLM gateway.