Best Alternatives to DeepEval

30+ metrics + red teaming 40+ vulnerabilities. Compare 10 similar free AI tools.

1. lm-eval-harness — 60+ benchmarks — powers the Open LLM Leaderboard (Free: MIT)
2. Open LLM Leaderboard — Primary open LLM evaluation leaderboard (Free: 100% free)
3. IBM AI Fairness 360 — 70+ fairness metrics + 10 mitigation algorithms (Free: Apache 2.0)
4. Arize Phoenix — Open-source LLM observability — traces, evaluations, experiments, prompt tracking in a single dashboard (Free: Fully open source; self-hosted)
5. LLaMA-Factory — Zero-code fine-tuning Web UI — 40K+ stars (Free: Apache 2.0)
6. BentoML / OpenLLM — Deploy AI apps at scale (Free: Free OSS + cloud credits)
7. LangChain — LLM orchestration — 700+ integrations (Free: MIT)
8. Langfuse — Framework-agnostic LLM tracing — generous free tier, European privacy (Free: Free self-host; cloud free tier)
9. Llama 3.x — Best all-around open LLM — 8B to 405B (Free: Fully open; 128K context)
10. Unify.ai — Quality/cost/latency sliders — live benchmarks updated every 10 minutes (Free: $100 free credits)

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