Best AI LLM Evaluation Tools in 2026
Updated
30 AI LLM evaluation tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
30ranked
1free plans on this page
8 Oct 2026last checked
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 26 OpenCompass No phone app RecognisedPhone appDocumentedFree plan 5.8 Evaluation methods: objective; subjective; discriminative; generative; LLM-as-a-judgeModel support: Hugging Face models; API-based models; custom models; OpenAI; Anthropic; Gemini; Qwen; GLM; DeepSeekSafety evaluations: Yes
- 27 Ragas No phone app RecognisedPhone appDocumentedFree plan 5.8
- 28 ARES No phone app RecognisedPhone appDocumentedFree plan 5.6
- 29 Parler-TTS No phone app RecognisedPhone appDocumentedFree plan 5.3
- 30 HELM No phone app RecognisedPhone appDocumentedFree plan 5.1Free
Compare all 5 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Evaluation methods | Model support |
|---|---|---|---|---|---|---|---|---|
| 26 | OpenCompass | 5.8 | No | — | — | — | objective; subjective; discriminative; generative; LLM-as-a-judge | Hugging Face models; API-based models; custom models; OpenAI; Anthropic; Gemini; Qwen; GLM; DeepSeek |
| 27 | Ragas | 5.8 | No | — | Yes | — | — | — |
| 28 | ARES | 5.6 | No | — | — | — | — | — |
| 29 | Parler-TTS | 5.3 | No | — | — | — | — | — |
| 30 | HELM | 5.1 | Free plan | Free | — | — | — | — |