JourneyBench (Static-Prompt Agent) - Failing Function: leaderboard
Metric: User Journey Coverage Score (0-1; a conversation scores 0 on any missing, extra or misordered tool call, otherwise its tool-parameter accuracy; GPT-4o simulated user, 40-turn limit; Failing Function scenarios; the whole SOP graph compiled into one static system prompt). Source: arxiv.org. Saturation forecast: Estimated already saturated. 4 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | GPT-4o | 0.51 |
| 2 | GPT-4o Mini | 0.33 |
| 3 | Claude 3.5 Haiku | 0.28 |
| 4 | Llama 3.3 70B Instruct | 0.26 |
Interactive version: theaggregate.ai/benchmark?slug=journeybench-static-prompt-agent-failing-function · How It Works · Data refreshed daily, snapshot 2026-09-26.