Best AgentBench Alternatives in 2026
Updated
20 tools from LLM evaluation tools ranked against AgentBench on the same published basis.
- 1AgentBench vs Promptfoo
- 2AgentBench vs DeepEval
- 3AgentBench vs Maxim AI
- 4AgentBench vs Giskard
- 5AgentBench vs Braintrust
- 6AgentBench vs Galileo
- 7AgentBench vs Parea AI
- 8AgentBench vs Confident AI
- 9AgentBench vs LiveBench
- 10AgentBench vs Inspect AI
- 11AgentBench vs LM Evaluation Harness
- 12AgentBench vs Ragas
- 13AgentBench vs RAGChecker
- 14AgentBench vs ARES
- 15AgentBench vs EvalPlus
- 16AgentBench vs Whisper
- 17AgentBench vs DecodingTrust
- 18AgentBench vs garak
- 19AgentBench vs WebArena
- 20AgentBench vs HELM
AgentBench alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Promptfoo | 7.5 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | DeepEval | 7.4 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 3 | Maxim AI | 7.4 | Free plan | $29/mo | API, self-hosted, Web |
| 4 | Giskard | 7.2 | Free plan | Free | API, Linux, self-hosted, Web |
| 5 | Braintrust | 7.1 | Free plan | $249/mo | API, self-hosted, Web |
| 6 | Galileo | 7.1 | Free plan | $100/mo | API, self-hosted, Web |
| 7 | Parea AI | 7.1 | Free plan | $150/mo | API, self-hosted, Web |
| 8 | Confident AI | 7.0 | Free plan | $200/mo | API, self-hosted, Web |
| 9 | LiveBench | 6.9 | No | — | Linux, Mac, Web, Windows |
| 10 | Inspect AI | 6.7 | Free plan | Free | API, Browser |
| 11 | LM Evaluation Harness | 6.7 | Free plan | Free | API, Linux, self-hosted |
| 12 | Ragas | 6.7 | No | — | API, Linux, self-hosted |
| 13 | RAGChecker | 6.5 | Free plan | Free | self-hosted |
| 14 | ARES | 6.4 | No | — | Linux, self-hosted |
| 15 | EvalPlus | 6.3 | No | — | API, Linux, self-hosted |
| 16 | Whisper | 6.3 | No | — | Windows, Mac, Linux |
| 17 | DecodingTrust | 6.2 | No | — | API, self-hosted |
| 18 | garak | 6.2 | No | — | Windows, Mac, Linux |
| 19 | WebArena | 6.2 | No | — | self-hosted |
| 20 | HELM | 5.9 | No | — | Web |
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Questions about AgentBench alternatives
What is the best alternative to AgentBench?
Promptfoo, number 1 in LLM evaluation tools with a score of 7.5 out of 10. The others here: DeepEval, Maxim AI, Giskard and 16 more.
What is the best free alternative to AgentBench?
Promptfoo is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.