Best LLM Evaluation Tools in 2026
Updated
In short: Galileo is ranked #1 of 26 as of 2 October 2026, ahead of Maxim AI and Braintrust. The best-ranked option with a free plan is Maxim AI. The lowest first paid tier on this page is Maxim AI at $29/mo.
26 llm evaluation tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Deployment options | |
|---|---|---|---|---|---|---|---|---|
| 1 | Galileo | 8.8 | RecognisedAPIDocumented | $100/mo | Yes | 100 /mo | both | View |
| 2 | Maxim AI | 8.8 | RecognisedAPIDocumented | $29/mo | Yes | — | both | View |
| 3 | Braintrust | 8.6 | RecognisedAPIDocumented | $249/mo | Yes | 249 /mo | both | View |
| 4 | Confident AI | 8.6 | RecognisedAPIDocumented | $200/mo | Yes | 200 /mo | both | View |
| 5 | Parea AI | 8.5 | RecognisedAPIDocumented | $150/mo | Yes | — | both | View |
| 6 | DeepEval | 7.5 | RecognisedAPIDocumented | Free | Yes | — | both | View |
| 7 | Promptfoo | 7.1 | RecognisedAPIDocumented | Free | Yes | — | both | View |
| 8 | Giskard | 6.7 | RecognisedAPIDocumented | — | Yes | — | both | View |
| 9 | Ragas | 6.4 | RecognisedAPIDocumented | — | Yes | — | self-hosted | View |
| 10 |  OpenCompass | 6.3 | RecognisedAPIDocumented | — | Yes | — | self-hosted | View |
| 11 | Inspect AI | 6.2 | RecognisedAPIDocumented | — | — | — | self-hosted | View |
| 12 |  garak | 6.1 | RecognisedAPIDocumented | — | Yes | — | self-hosted | View |
| 13 |  TruLens | 6.0 | RecognisedAPIDocumented | — | — | — | self-hosted | View |
| 14 |  HarmBench | 5.9 | RecognisedAPIDocumented | — | Yes | — | self-hosted | View |
| 15 | HELM | 5.8 | RecognisedAPIDocumented | — | — | — | self-hosted | View |
| 16 |  PyRIT | 5.6 | RecognisedAPIDocumented | — | — | — | both | View |
| 17 |  AgentBench | 5.6 | RecognisedAPIDocumented | — | Yes | — | self-hosted | View |
| 18 | Arena (formerly Chatbot Arena) | 5.5 | RecognisedAPIDocumented | — | Yes | — | cloud | View |
| 19 |  LiveBench | 5.3 | RecognisedAPIDocumented | — | — | — | both | View |
| 20 |  LM Evaluation Harness | 5.3 | RecognisedAPIDocumented | — | — | — | self-hosted | View |
| 21 |  SWE-bench | 5.3 | RecognisedAPIDocumented | — | Yes | — | both | View |
| 22 |  RAGChecker | 5.1 | RecognisedAPIDocumented | — | — | — | self-hosted | View |
| 23 |  ARES | 5.0 | RecognisedAPIDocumented | — | — | — | self-hosted | View |
| 24 | DecodingTrust | 4.7 | RecognisedAPIDocumented | — | — | — | self-hosted | View |
| 25 |  EvalPlus | 4.6 | RecognisedAPIDocumented | — | — | — | self-hosted | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which llm evaluation tool is ranked first on Inferse?
Galileo is ranked #1 of 26 with a score of 8.8. Maxim AI is second and Braintrust third.
How many of these have a free plan?
5 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Maxim AI has the lowest first paid tier we found: $29/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.