GuardianAgentBench (Vectara): leaderboard
Metric: Overall correctness (%; mean over six agent domains of the share of scenarios whose answer and tool-call trace are both judged correct by Claude Sonnet 4.5; 580 scenarios with 81 tools, a third with adversarially modified tool responses; Vectara cloud agent platform, default API settings). Source: arxiv.org. Saturation forecast: Rough model projection: around 2026. 6 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Vectara + Claude Opus 4.5 | 74.8 |
| 2 | Vectara + GPT-5.2 Pro | 72.1 |
| 3 | Vectara + Gemini 3 Pro | 71.4 |
| 4 | Vectara + Qwen 3 Max | 68.3 |
| 5 | Vectara + GPT-OSS-120B | 65.8 |
| 6 | Vectara + DeepSeek V3.2 | 63 |
Interactive version: theaggregate.ai/benchmark?slug=guardianagentbench-vectara · How It Works · Data refreshed daily, snapshot 2026-09-29.