Price checkMonthly
DeveloperFreeGrowth$34/moEnterpriseCustom
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All LangWatch Plans & Pricing

Plan Monthly Annual Best For
View all features by plan (compare side-by-side)

Developer

  • 50,000 events/mo
  • 14 days data access
  • 2 users
  • 3 scenarios, 3 simulations, 3 custom evaluations
  • Community support (GitHub & Discord)

Growth

  • 200,000 events included (+€0.0005 per event)
  • 30 days data retention (+€3/GB custom)
  • Up to 20 users (volume discount above)
  • Unlimited lite-users
  • Unlimited eval scores, simulations & prompts
  • Private Slack/Teams support

Enterprise

  • Hybrid, self-hosted, or on-prem deployment
  • Custom data retention
  • Custom SSO / RBAC
  • Audit logs
  • Uptime & Support SLA
  • ISO 27001 reports, InfoSec/legal reviews
  • Custom Terms, DPA
  • Forward Deployed Engineer
  • Billing via AWS, Google, Azure Marketplace
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What does LangWatch actually cost you?

Drag the slider. Pick a tier. Your projected spend updates as you go.

Tier
Billing
Your projected cost$850per month · $34/unit × 25units
Year 1 license$10K12 months at this rate
At a glance

List price by tier (annualized, per unit)

Per-unit list price across LangWatch's plans, annualized. Custom-priced tiers show a hatched bar.

DeveloperCustom
Growth$408/yr
EnterpriseCustom
Quick Answer
Last verified:
Medium confidence

LangWatch costs Free to $34 per month as of July 2026, with 3 plans available including a free tier. Plans: Developer (free), and Growth at $34/month. Enterprise pricing is available on request. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

LangWatch offers 3 pricing tiers: Developer, Growth, Enterprise. A free plan is available. Paid plans include Growth at $34/core-seat/month. The Growth plan is production teams scaling evals and prompts.

Compared to other ai evaluation & guardrails software, LangWatch is positioned at the budget-friendly price point.

  • 4 documented hidden costs beyond list price
  • Contracts auto-renew — 30 days written notice before the end of the agreement after the initial period
Last verified: | Sources: 1 pricing pages and reviews

How much does LangWatch cost?

LangWatch offers 3 pricing plans, starting with a free tier and scaling to custom enterprise pricing. Plans include Developer (free), Growth at $34/month, Enterprise (custom pricing).

LangWatch Pricing Overview

LangWatch has 3 pricing plans, including a free tier. Paid plans range from $0 to $34/month. The Developer plan is free and is best for free tier for getting started. The Growth plan costs $34/month, best for production teams scaling evals and prompts. The Enterprise plan requires contacting sales for a custom quote and is designed for regulated industries and high-volume deployments.

LangWatch contracts auto-renew, with a specified period (defined in individual contracts) minimum commitment.

There are at least 4 documented hidden costs beyond LangWatch's list price, including implementation, training, and add-on fees.

This pricing was last verified in May 21, 2026 from 1 independent source.

Try LangWatch Free

How LangWatch Pricing Compares

Compare LangWatch pricing against top alternatives in AI Evaluation & Guardrails.

Lakera $0-$1500/mo Compare → DeepEval (Confident AI) $0-$1000/mo Compare → PromptLayer $0-$299/mo Compare →

Compare LangWatch vs Alternatives

Before committing to LangWatch, compare pricing with these 3 alternatives in the same category.

VSLakera
Free

Production LLM apps

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VSDeepEval (Confident AI)
Free

Teams validating LLM apps

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VSPromptLayer
Free

Growing teams

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All LangWatch alternatives & migration guides

What Companies Actually Pay for LangWatch

Review scores
Third-party review aggregates, as of Jul 2026
Top pricing complaints
fix(ci): pnpm typecheck is red on main (workflowBuilder.test.ts TS1117) — blocks langwatch-app-complete on all PRs.fix(traces): legacy GET /api/trace/:id returns 500 (not 409) on ambiguous trace-ID prefix.fix(traces): resolve full blob values on all content-consuming read paths (2 of 2 — #4888).refactor(analytics): rename the shared 'unknown' group-by label to a clearer 'No verdict' / 'score-only'.

How LangWatch Pricing Compares

Software Starting Price Top Price
LangWatch Free $34/month
DeepEval (Confident AI) Free $49.99/month
Guardrails AI Custom Custom
Lakera Custom Custom
PromptLayer Free $500/month
Confident AI Free $49.99/month

Detailed pricing comparisons:

Browse all AI Evaluation & Guardrails pricing →

4 LangWatch Hidden Costs Beyond the List Price

Beyond the listed price, LangWatch has at least 4 documented hidden costs that can significantly increase total cost of ownership.

Watch for 4 hidden costs
  • Hidden Implementation Costs
    medium 1 source
    industry "However, self-hosting generally comes with its own hidden costs such as infrastructure, ongoing maintenance, fine-tuning, and continuous optimization"
  • Custom Data Retention €3/GB
    low 1 source
    industry "Enterprise Plan: This custom plan is for high-volume or privacy-sensitive data, offering premium support with on-premise or hosted deployment options, custom data retention, custom SSO/RBAC, audit logs, uptime & support SLAs, ISO27001 reports, Inf..."
  • Enterprise Feature Unlock Minimums
    medium 1 source
    industry "For enterprise offerings, a minimum number of seats is required to unlock features like SSO and Audit Logs"
  • Self-Hosting Operational Costs
    high 1 source
    industry "However, self-hosting generally comes with its own hidden costs such as infrastructure, ongoing maintenance, fine-tuning, and continuous optimization"
Tip

Ask your LangWatch sales rep about these costs upfront. Getting them in writing before signing can save you from surprise charges later.

Full hidden costs breakdown →

Intelligence sourced from 1 independent sources
industry
Key claims include inline source attribution. Data verified against multiple independent sources. 5 source citations total.

LangWatch Contract Terms

LangWatch contracts auto-renew. Changes require 30 days written notice before the end of the agreement after the initial period. These terms are sourced from verified buyer experiences.

Contract Terms
Auto-Renewal Yes
Cancellation Notice 30 days written notice before the end of the agreement after the initial period
Minimum Commitment specified period (defined in individual contracts)
Price Escalation LangWatch may adjust pricing due to unforeseen cost increases, with 30 days' written notice.
Based on 1 verified source

LangWatch Price History

Pricing changes CostBench has tracked for LangWatch, verified across 3 snapshots going back to 2026Q2.

  1. LangWatch price decrease

    Highest tier decreased from $499 to $34/month

    -93.19%

  2. LangWatch tier restructure

    Changed from 4 to 3 pricing tiers

  3. LangWatch tier renamed

    "Free" renamed to "Developer"

  4. LangWatch tier renamed

    "Launch" renamed to "Growth"

Price decreased 93.2% over 0.2 years

View LangWatch's full price history →

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