llms.txt
Compare with other sites' llms.txt files →# Coval
> Coval is the voice AI testing, evals, and QA platform: simulate calls before launch, evaluate production conversations, and route the calls that matter to human review.
Every page below also serves Markdown when requested with `Accept: text/markdown`.
## Docs
- [Coval documentation](https://docs.coval.ai): Product guides, concepts, and API reference
- [Docs llms.txt](https://docs.coval.ai/llms.txt): Index of every documentation page
## Site
- [Voice AI Testing & Evaluation Platform | Coval](https://www.coval.ai/): Coval helps teams prove voice agents are ready with voice AI testing, production evals, and human QA across the full agent lifecycle.
- [2026 Voice AI Report | Coval](https://www.coval.ai/2026-voice-ai-report/): Insights across hundreds of voice AI agents: What changed in voice AI in 2025 and what's ahead in 2026.
- [About Us | Coval](https://www.coval.ai/about-us/): Coval is building the simulation and evaluation infrastructure for AI voice and chat agents. Meet the team making AI agents reliable before they reach customers.
- [Meet Coval at Ai4 2026 | Coval](https://www.coval.ai/ai4-2026/): Find the Coval team at Ai4 2026 in Las Vegas, August 4–6, 2026. See how the most accountable voice AI teams test, monitor, and prove their agents are ready.
- [Blog | Coval](https://www.coval.ai/blog/): Insights on AI voice agent testing, simulation, observability, and evaluation from the team at Coval.
- [Request a Customer Support Demo | Coval](https://www.coval.ai/book-customer-support-demo/): See how Coval helps customer support teams ship and scale voice AI agents with confidence. Request a personalized demo from our team.
- [Request a Demo | Coval](https://www.coval.ai/book-demo/): See how Coval helps teams ship and scale voice AI agents with confidence. Request a personalized demo from our team.
- [Request a Financial Services Demo | Coval](https://www.coval.ai/book-financial-services-demo/): See how Coval helps financial services teams ship and scale voice AI agents with confidence. Request a personalized demo from our team.
- [Request a Healthcare Demo | Coval](https://www.coval.ai/book-healthcare-demo/): See how Coval helps healthcare teams ship and scale voice AI agents with confidence. Request a personalized demo from our team.
- [Request a Hospitality Demo | Coval](https://www.coval.ai/book-hospitality-demo/): See how Coval helps hospitality teams ship and scale voice AI agents with confidence. Request a personalized demo from our team.
- [Request an Insurance Demo | Coval](https://www.coval.ai/book-insurance-demo/): See how Coval helps insurance teams ship and scale voice AI agents with confidence. Request a personalized demo from our team.
- [Request a Retail Demo | Coval](https://www.coval.ai/book-retail-demo/): See how Coval helps retail teams ship and scale voice AI agents with confidence. Request a personalized demo from our team.
- [Request a Travel Demo | Coval](https://www.coval.ai/book-travel-demo/): See how Coval helps travel teams ship and scale voice AI agents with confidence. Request a personalized demo from our team.
- [Careers | Coval](https://www.coval.ai/careers/): Join Coval and help build the testing infrastructure for AI voice and chat agents. We're hiring across engineering, research, and go-to-market.
- [The Voice AI Eval Strategy Playbook — Free Download | Coval](https://www.coval.ai/eval-strategy-playbook/): The complete method for evaluating voice AI agents: the maturity curve, must-always/must-never base cases, the persona ladder, calibrated LLM-judge metrics, CI/CD gates, and the simulation–monitoring loop. Free PDF plus the Claude Code skill.
- [Events | Coval](https://www.coval.ai/events/): Webinars, podcast episodes, and conference appearances from the team at Coval.
- [The Future of Agentic Voice — Watch the Replay | Coval](https://www.coval.ai/future-of-agentic-voice/): Watch Coval CEO Brooke Hopkins explain what is changing in voice AI, what still breaks in production, and why reliability and evaluation are becoming the durable advantage.
- [Win Apple AirPods Max at Genesys Xperience | Coval](https://www.coval.ai/genesys-raffle/): Enter Coval's Apple AirPods Max raffle at Genesys Xperience 2026, then visit Booth S-8 to see how leading CX teams evaluate voice AI.
- [Improve Agent Performance With Voice Benchmarks: Watch the AMA Replay | Coval](https://www.coval.ai/improve-agent-performance-with-voice-benchmarks-replay/): Watch Coval's benchmarking team explain continuous voice benchmarks, latency and WER tradeoffs, speech-to-speech evaluation, and how to test models on your own production data.
- [Voice AI Testing for Customer Support | Coval](https://www.coval.ai/industries/customer-support/): Evaluate contact center voice agents across resolution, escalation, and deflection. Coval catches broken flows and incorrect resolutions before they scale across thousands of calls.
- [Voice AI Compliance for Financial Services | Coval](https://www.coval.ai/industries/financial-services/): Ensure voice AI agents meet financial services compliance standards. Coval validates every conversation against regulatory policy before it reaches a customer.
- [HIPAA-Compliant Voice AI for Healthcare | Coval](https://www.coval.ai/industries/healthcare/): Test voice AI agents against clinical and patient-safety standards before patients depend on them. HIPAA-compliant voice AI evaluation from Coval.
- [Voice AI Testing for Hospitality | Coval](https://www.coval.ai/industries/hospitality/): Validate hospitality voice agents against your booking flows, service requests, and loyalty policies. Coval catches incorrect answers before they reach a guest.
- [Voice AI Compliance for Insurance | Coval](https://www.coval.ai/industries/insurance/): Make voice AI agents policy-compliant before they handle real claims and quotes. Coval tests every insurance conversation against state regulatory requirements.
- [Voice AI Testing for Retail | Coval](https://www.coval.ai/industries/retail/): Test retail voice agents against your policies and systems. Coval catches order, returns, and pricing errors before shoppers do and keeps every answer on brand.
- [Voice AI Testing for Travel | Coval](https://www.coval.ai/industries/travel/): Evaluate travel voice agents against your fare rules and rebooking flows. Coval catches errors before a traveler hears them and keeps your agent accurate under pressure.
- [Partners | Coval](https://www.coval.ai/partners/): Coval integrates with the leading voice AI platforms, frameworks, and infrastructure tools. Explore the partner ecosystem for AI agent developers.
- [AI Infrastructure Partners | Coval](https://www.coval.ai/partners/ai-infrastructure/): Complete your AI stack with evaluation. Bundle agent simulation, monitoring, and evaluation with your infrastructure so customers can deploy with confidence.
- [Become a Partner | Coval](https://www.coval.ai/partners/become-a-partner/): Join the Coval partner ecosystem. Tell us about your company and the partnership you have in mind, and our team will be in touch.
- [CCaaS Providers | Coval Partners | Coval](https://www.coval.ai/partners/ccaas/): Partner with Coval to bring validation and continuous monitoring inside your platform. Your customers get the confidence to ship, branded as part of your offering.
- [Coval + Hathora: When to Use a Proxy for Your Real Time Voice AI Application | Coval](https://www.coval.ai/partners/coval-hathora-when-to-use-a-proxy-for-your-real-time-voice-ai-application/)
- [Coval joins Zoom ISV Exchange program | Coval](https://www.coval.ai/partners/coval-joins-zoom-isv-exchange-program/)
- [Coval Partners with Cisco: Elevating Enterprise Voice AI from Ad-Hoc Testing to Systematic Reliability | Coval](https://www.coval.ai/partners/coval-partners-with-cisco-elevating-enterprise-voice-ai-from-ad-hoc-testing-to-systematic-reliability/)
- [Coval Partners with Rime: Expanding Voice Simulation Capabilities for Voice Agents | Coval](https://www.coval.ai/partners/coval-partners-with-rime-expanding-voice-simulation-capabilities-for-voice-agents/)
- [Evaluating & Monitoring Voice Agents with Langfuse | Coval](https://www.coval.ai/partners/evaluating-monitoring-voice-agents-with-langfuse/)
- [Hello World: Pipecat + Coval for Voice AI Testing | Coval](https://www.coval.ai/partners/hello-world-pipecat-coval-for-voice-ai-testing/)
- [Platform Partners | Coval](https://www.coval.ai/partners/platforms/): Partner with Coval to deliver simulation, evaluation, and monitoring as a native layer in your voice AI platform.
- [Optimizing Voice AI with Coval + Retell AI | Coval](https://www.coval.ai/partners/retell-voice-agent-testing/)
- [Systems Integrators | Coval Partners | Coval](https://www.coval.ai/partners/systems-integrators/): Partner with Coval to ship testing and monitoring with every deployment. Your clients get voice AI that holds up long after go-live.
- [Pricing | Coval](https://www.coval.ai/pricing/): Flexible pricing for voice AI teams — from early-stage startups to enterprises monitoring millions of conversations.
- [Privacy Policy | Coval](https://www.coval.ai/privacy-policy/): Coval Privacy Policy — how we collect, use, and protect your information.
- [Voice AI Evaluation Platform — Simulate, Observe, Review | Coval](https://www.coval.ai/products/): Coval is the voice AI evaluation platform for testing, monitoring, and improving voice agents at scale. Simulate before launch, observe in production, review with humans.
- [Human-in-the-Loop Voice AI Evals & Review | Coval](https://www.coval.ai/products/human-review/): Route edge cases and high-stakes voice AI conversations to human reviewers. Pair expert judgment with AI-scale evaluation to sharpen your eval criteria with Coval.
- [Voice AI Observability — Continuous Eval & Monitoring | Coval](https://www.coval.ai/products/observability/): Coval delivers voice AI observability with continuous evals on every production conversation — surfacing failures, regressions, and anomalies the moment they happen.
- [Voice AI Simulation — Test Voice Agents Before Launch | Coval](https://www.coval.ai/products/simulation/): Run automated voice AI simulations to catch failures before customers hear them. Test edge cases, regressions, and critical paths in CI/CD with Coval.
- [Agent Behaviors — Test the behaviors every voice agent has to get right | Coval](https://www.coval.ai/solutions/agent-behaviors/): Identity, escalation, hallucination, frustrated callers, and more. Coval tests your voice AI against the behaviors that decide whether a real call succeeds.
- [Never Hallucinate — Test whether your agent makes things up | Coval](https://www.coval.ai/solutions/agent-behaviors/catch-hallucinations/): Test whether your voice AI agent stays grounded and admits uncertainty instead of fabricating answers.
- [Collect Required Information — Test how your agent gathers what it needs | Coval](https://www.coval.ai/solutions/agent-behaviors/collect-required-information/): Test whether your voice AI agent collects necessary information without making callers feel interrogated.
- [Confirm Before Acting — Catch errors before they become refunds | Coval](https://www.coval.ai/solutions/agent-behaviors/confirm-before-acting/): Test whether your voice AI agent confirms key details before executing orders, appointments, or payments.
- [Handle Frustrated Callers — Test how your agent holds up under pressure | Coval](https://www.coval.ai/solutions/agent-behaviors/handle-frustrated-callers/): Test how your voice AI agent responds to angry, panicked, and hostile callers.
- [Stay On Topic — Test what happens when callers go off-script | Coval](https://www.coval.ai/solutions/agent-behaviors/stay-on-topic/): Test whether your voice AI agent handles off-topic requests gracefully without breaking character.
- [Transfer & Escalation — Test the moments your agent should hand off | Coval](https://www.coval.ai/solutions/agent-behaviors/transfer-escalation/): Test whether your voice AI agent correctly recognizes when to transfer or escalate a call.
- [Verify Identity — Make sure your agent knows who it's talking to | Coval](https://www.coval.ai/solutions/agent-behaviors/verify-identity/): Test whether your voice AI agent correctly verifies caller identity before sharing protected data.
- [Agent Platforms — Ship customer-ready voice agents at scale | Coval](https://www.coval.ai/solutions/agent-platforms/): Coval helps platforms that build voice agents for their customers onboard faster, catch regressions across every account, and prove reliability with exportable evidence.
- [Customer Service | Coval](https://www.coval.ai/solutions/customer-service/): Test AI voice agents built for customer service. Validate resolution rates, escalation handling, and brand voice before launch.
- [HR & Recruiting | Coval](https://www.coval.ai/solutions/hr-recruiting/): Validate AI voice agents for HR screening and recruiting. Stay compliant and deliver consistent candidate experiences at scale.
- [In-House Builders — Evals for voice agents on your own stack | Coval](https://www.coval.ai/solutions/in-house-builders/): Building voice agents on LiveKit, Pipecat, or your own orchestration layer? Coval plugs into your pipeline so you can eval in CI, gate deploys, and debug with full traces.
- [Transportation | Coval](https://www.coval.ai/solutions/transportation/): Test AI voice agents for dispatch, booking, and support. Ensure accuracy and reliability before your agents handle real passengers.
- [Vendor Bakeoffs — Compare voice AI platforms head-to-head | Coval](https://www.coval.ai/solutions/vendor-bakeoffs/): Run the same scenarios across every voice AI platform and pick the one that actually performs. Coval scores vendors on accuracy, latency, escalation, and cost — with the transcripts to back it up.
- [Terms of Service | Coval](https://www.coval.ai/terms-of-service/): Coval Terms of Service — the agreement governing your use of Coval's simulation and evaluation platform.
- [The Voice Agent Vendor Testing Playbook — Free Download | Coval](https://www.coval.ai/vendor-eval-skill/): The complete method for running a voice AI vendor bake-off: the failure modes, the four shapes, the seven-step method, and the scorecard. Free PDF plus the Claude Code skill.
- [Free Voice Agent Audit — Find Out Where Your Voice Agent Breaks | Coval](https://www.coval.ai/voice-agent-audit/): Give us your voice agent's phone number. Coval runs 30+ simulations per behavior — frustrated callers, interruptions, background noise — and sends a findings report in two business days. Free.
- [Meet Coval at Xperience 2026 | Coval](https://www.coval.ai/xperience-2026/): Find the Coval team at Xperience 2026 in Las Vegas, September 1–3, 2026 — Booth S-8. See how the most accountable voice AI teams test, monitor, and prove their agents are ready.
## Blog
- [AI Agent Testing Reveals Critical Gaps: Why 90% Success Isn't Good Enough | Coval](https://www.coval.ai/blog/ai-agent-testing-reveals-critical-gaps-why-90-success-isn-t-good-enough/): AI agent testing at a 10% failure rate means millions of bad customer interactions. Why 90% success isn't good enough, and what rigorous eval requires.
- [Blog archive | Coval](https://www.coval.ai/blog/archive/): Every post from Coval's blog about developing and shipping AI voice agents to production.
- [Arize + Coval for Enterprise Observability | Coval](https://www.coval.ai/blog/arize-coval-for-enterprise-obervability/): Arize captures system-level traces; Coval pulls them to run conversation evaluation on top. Developer guide to the two-tier voice AI observability stack.
- [Automated IVR Testing: How to Build a Regression Suite That Runs on Every Deploy | Coval](https://www.coval.ai/blog/automated-ivr-testing/): Automated IVR testing turns hours of manual QA into a CI/CD gate. Build a regression suite that covers paths, transfers, and compliance for every deploy.
- [Benchmarks | Coval](https://www.coval.ai/blog/benchmarks/): Independent TTS benchmarks from Coval: how Gradium, ElevenLabs, Cartesia, Rime, and OpenAI compare on time to first audio and word error rate.
- [Best Voice And Conversational AI Agent Platforms in 2026 | Coval](https://www.coval.ai/blog/best-ai-agent-platforms-2026/): Compare AI agent platforms for voice, customer-service chat, custom workflows and code. Find the best fit by product strengths, engineering ownership and complete costs.
- [Best STT Providers 2026: Independent Benchmarks & How to Choose | Coval](https://www.coval.ai/blog/best-speech-to-text-providers-in-2026-independent-benchmarks-and-how-to-choose/): Best speech-to-text providers in 2026: Deepgram, AssemblyAI, Whisper, ElevenLabs Scribe, MAI-Transcribe. WER, latency, pricing. See the guide.
- [Best TTS Providers 2026: Why Vendor Benchmarks Lie | Coval](https://www.coval.ai/blog/best-text-to-speech-providers-in-2026-how-to-choose-(and-why-vendor-benchmarks-lie)/): Best TTS providers in 2026: ElevenLabs v3, Cartesia Sonic 3, OpenAI Realtime, Deepgram Aura-2, Vapi Voices. Latency, pricing, voice cloning. See the guide.
- [Bland AI Review 2026: Features, Pricing & When to Use It | Coval](https://www.coval.ai/blog/bland-ai-review-2026-features-pricing-and-when-to-use-it/): Bland AI review 2026: built for high-volume outbound calling, but 700ms+ latency and no conversation-level evaluation mean it's not right for every team.
- [Build vs. Buy: Voice AI Evaluation Infrastructure Decision Guide | Coval](https://www.coval.ai/blog/build-vs.-buy-voice-ai-evaluation-infrastructure-decision-guide/): Building voice AI evaluation infrastructure in-house takes 6-12 months and up to $1M. A structured framework for deciding when to buy instead.
- [Call Center QA Software: AI-Powered Quality Monitoring for Contact Centers | Coval](https://www.coval.ai/blog/call-center-qa-software/): AI call center QA software evaluates 100% of interactions, not 2–8%. What to look for in platforms covering both human agents and AI voice bots.
- [Cascaded Voice AI Architecture: Why Enterprise Teams Choose Traditional Pipelines Over S2S | Coval](https://www.coval.ai/blog/cascaded-voice-ai-architecture-why-enterprise-teams-choose-traditional-pipelines-over-s2s/): Why enterprise teams default to cascaded voice AI over speech-to-speech: compliance checkpoints, independent debugging, and redundancy S2S can't provide.
- [Cekura vs Bluejay: Voice AI QA Compared (2026) | Coval](https://www.coval.ai/blog/cekura-vs-bluejay/): Cekura vs Bluejay: pricing, features, compliance, and developer integration compared side by side for voice AI QA teams in 2026. See the comparison.
- [7 Chatbot Testing Strategies That Catch Bugs Before Your Customers Do | Coval](https://www.coval.ai/blog/chatbot-testing-strategies/): Seven chatbot testing strategies by maturity: intent coverage, adversarial inputs, conversation flow, regression, load, persona testing, and A/B iteration.
- [CI/CD for Voice AI Agents: The 2026 Pipeline Guide | Coval](https://www.coval.ai/blog/cicd-voice-ai-agents/): Voice agents are software. CI/CD pipelines with automated eval gates are how mature teams ship them. Patterns, tools, and pipeline design.
- [Conversational AI Testing: End-to-End Validation for Dialogue Systems | Coval](https://www.coval.ai/blog/conversational-ai-testing/): Four-layer guide to conversational AI testing: unit, integration, end-to-end simulation, and regression. Coverage that scales beyond the scripted demo.
- [Voice AI Background Noise Testing: What Breaks STT | Coval](https://www.coval.ai/blog/coval-ai-coustics-background-noise-testing/): See how ai-coustics tested background noise across eight STT engines, then use Coval to test competing speech and other audio risks. Explore the results.
- [Coval raises $3.3M to bring Self-Driving Car Simulation to AI Voice & Chat Agents | Coval](https://www.coval.ai/blog/coval-raises-3-3-to-to-bring-self-driving-car-simulation-to-ai-voice-chat-agents/