Arena (formerly Chatbot Arena) pricing
3 plans read from arena.ai
Public ArenaFree Public leaderboard and head-to-head battles are free; daily usage limit applies and resets after 24 hours Read 7 Oct 2026 · arena.ai
AI evaluationsPriced on request for enterprises, model labs and developers · grounded in real-world human feedback Read 21 Oct 2026 · arena.ai
AI EvaluationsPriced on request Evaluation services for enterprises, model labs, and developers · service-level agreements with committed delivery timelines · flexible pricing for open-weight models and nonprofit institutions Read 7 Oct 2026 · arena.ai
In short
- Arena (formerly Chatbot Arena) has a free plan (Public Arena).
- 2 plans are priced on request (AI evaluations, AI Evaluations).
What the alternatives costAll alternatives →
| Tool | From | Free plan | Free trial |
|---|---|---|---|
| DeepEval | $200/mo | Yes | No |
| Braintrust | $249/mo | Yes | No |
| Giskard | — | Yes | No |
| Confident AI | $200/mo | Yes | No |
| Promptfoo | — | Yes | No |
| HELM | — | Yes | No |
| Maxim AI | $29/mo | Yes | Yes |
| TruLens | — | Yes | No |