Best Alternatives to AgentEval
Explore 18 top-rated alternatives to AgentEval in the voice agents category. Compare features, pricing, and find the perfect fit for your needs.
About AgentEval
Comprehensive .NET toolkit for AI agent evaluation featuring fluent assertions, stochastic testing, model comparison, and security evaluation built specifically for Microsoft Agent Framework
Free
Top Recommended Alternatives
DeepEval
Testing & Quality
From
FreeDeepEval is the open-source, Pytest-style LLM evaluation framework from Confident AI. Ship it in your test suite the same way you ship pytest — it runs 50+ research-backed metrics (hallucination, tool-use correctness, contextual precision/recall, conversational quality) offline in dev and inline in CI/CD, then optionally streams the results to Confident AI's paid cloud for team dashboards and prompt versioning.
Key Strengths:
- ✓Real MIT-licensed library — evals stay with your code, no vendor lock-in
- ✓Pytest-first ergonomics — CI integration is a one-line command
LangSmith
LLM Observability
From
FreeLangSmith helps developers trace, evaluate, test, and monitor applications built with language models and agent workflows.
Key Strengths:
- ✓Makes multi-step LLM failures easier to localize than application logs alone
- ✓Connects production traces, datasets, experiments, and evaluations in one workflow
Promptfoo
AI Evaluation
From
FreeOpen-source CLI and library for testing, evaluating, and red-teaming LLM prompts, models, and RAG pipelines — runs locally on your machine or in CI.
Key Strengths:
- ✓Truly local — prompts and datasets never leave your machine
- ✓MIT licensed core means no vendor lock-in or runtime cost
More Voice Agents Alternatives
AI Agent Host
Open-source Docker-based development environment specifically designed for LangChain AI agent experimentation, featuring QuestDB time-series database, Grafana visualization, Code-Server web IDE, and Claude Code integration for autonomous agentic development workflows
Learn MoreAmazon Bedrock Agents
Build, deploy, and manage autonomous AI agents that use foundation models to automate complex tasks, analyze data, call APIs, and query knowledge bases — all within the AWS ecosystem with enterprise-grade security.
From Pay per token
Learn MoreBabyAGI
Revolutionary open-source AI framework enabling self-building autonomous agents that generate, store, and execute functions dynamically using LLM-powered code generation.
From Free
Learn MoreCartesia Sonic-3
Generate ultra-realistic AI voices with 90ms latency, emotion control, and laughter synthesis for real-time conversational applications, voice agents, and interactive experiences across 40+ languages
Learn MoreCogram
AI meeting assistant built specifically for professional services firms—consulting, legal, and accounting—that automatically generates meeting summaries, action items, and follow-ups in real time. Cogram uses context-aware AI to understand industry-specific terminology and client relationships, then pushes structured outputs directly into CRMs and project management tools so nothing falls through the cracks between meetings and execution.
Learn MoreCogram
AI meeting assistant that automatically generates meeting minutes, tracks action items, and summarizes discussions in real-time. Integrates with CRMs and project management tools for automatic follow-up. Designed for revenue teams needing structured, searchable meeting intelligence with minimal manual effort.
Learn MoreUltravox (formerly Fixie.ai)
Real-time, speech-native voice AI platform that processes audio directly without text conversion, enabling fast, natural voice conversations for AI agents with sub-second latency and preservation of paralinguistic signals.
From Free
Learn MoreKlariqo
AI voice agents that automate lead pre-qualification for BPOs and call centers with direct SIP integration. Connects to VICIdial and Trackdrive to filter voicemails and unqualified leads, then warm-transfers qualified prospects to human closers in under 0.5 seconds response time.
Learn MoreKore.ai
Enterprise conversational AI platform for building intelligent virtual assistants with voice, chat, and process automation capabilities.
From ~$100,000/year
Learn MoreLiveKit Agents
LiveKit Agents: Real-time media infrastructure platform with an integrated agent framework for building voice and video AI assistants that can participate in live conversations. Enables developers to build programmable AI agents for WebRTC rooms, SIP telephony, and multimodal applications.
From Free
Learn MoreSudowrite
AI writing assistant specifically designed for creative fiction and storytelling, offering tools like Story Engine, Write, Expand, Rewrite, Describe, and Brainstorm to help novelists and fiction authors draft, revise, and develop their narratives.
From $19/month
Learn MoreSynthflow AI
No-code AI voice agent platform for building conversational phone agents that handle calls, bookings, and support.
From Free (build & test); from $29/mo for live calls
Learn MoreThoughtly
AI phone agent platform for building human-like voice agents that handle inbound and outbound calls for businesses.
From $0.15/minute
Learn MoreUltravox
Breakthrough real-time voice AI infrastructure that processes speech natively without ASR conversion, delivering human-like conversational agents with sub-300ms time-to-first-token latency at $0.05/minute.
Learn MoreWordtune
AI writing assistant that helps rewrite, paraphrase, and improve text clarity and tone across emails, documents, and content creation with intelligent suggestions that maintain your unique voice while optimizing for better communication impact.
From Freemium
Learn MoreQuick Comparison
Why Consider AgentEval Alternatives?
While AgentEval is a popular choice in the voice agents category, exploring alternatives can help you find a tool that better matches your specific needs, budget, or workflow preferences.
Common reasons to explore alternatives include:
- Different pricing models or more affordable options
- Specific features that AgentEval may not offer
- Better integration with your existing tools
- Performance or user experience preferences
- Regional availability or support requirements
Compare the tools above to find the best fit for your specific use case.
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