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LangWatch vs Bland

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

LangWatch compared with Bland
DetailLangWatchBland
What it doesAI agent testing and evaluation that turns unpredictable agents into reliable production systems Enterprise Voice AI Platform for Phone Agents
StageGrowing Established
FoundedNot given 2023
Based inNL US
Pricing modelfreemium Not given
PricingFree Developer plan forever with 50k events/month. Growth plan at €29/core-seat/month with 200k included events, then €5 per 100k additional events. Storage €3/GB beyond 30-day included retention. Enterprise with custom pricing. Per-minute pricing with three tiers: Start ($0.14/min, $0 platform fee), Build ($0.12/min, $299/month platform fee), and Enterprise (custom pricing). All plans include LLM, speech-to-text, and text-to-speech in the per-minute rate with no token charges or model-provider pass-throughs. Transfer rates
Key features
  • Agent simulations with simulated users
  • Red teaming and adversarial testing
  • LLM-based evaluation and scoring
  • Full production observability and tracing
  • Prompt versioning and A/B testing
  • Voice agent simulation and testing
  • Multi-modal evaluation
  • OpenTelemetry native instrumentation
  • Claude Code usage tracking
  • Enterprise SSO and RBAC
  • Inbound and outbound AI phone agents
  • Omnichannel support across voice, SMS, iMessage, and web chat
  • Scenario testing and edge case validation
  • Pre-built integrations with CRM, telephony, scheduling tools
  • Custom voice cloning
  • 40+ language support with real-time translation
  • Guardrails and compliance enforcement
  • Warm and live transfer capabilities
  • Self-hosted and on-premises deployment options
What makes it different
  • Works framework-agnostically with any agent framework without rewrite
  • Simulations with real user behavior from scenario descriptions
  • Fully automated testing from PM goals to pull requests with Langy
  • Self-hosted, hybrid, or cloud deployment with full control
  • Production traces queryable at search speed with AI search
  • All-in-one per-minute pricing covering LLM, STT, and TTS with no token charges
  • Fully in-house built stack with no third-party model wrapping
  • Enterprise-grade compliance (SOC 2, HIPAA, PCI DSS, GDPR) built in from day one
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)53 no change since last check72 no change since last check
Trust Flow (Majestic)2527
Citation Flow (Majestic)4551
Referring domains (Majestic)8525534

6 details filled in for both companies.

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