APEX-Agents
Professional Work · 2026-01-20
A benchmark for assessing whether AI agents can execute long-horizon, cross-application professional-services tasks created by investment banking analysts, management consultants, and corporate lawyers.
Top models (higher is better)
| Model | Score |
|---|---|
| Claude Fable 5 | 43.3 |
| Muse Spark 1.1 | 41.9 |
| GPT-5.6 Sol Pro | 40.0 |
| GPT-5.6 Sol | 39.9 |
| Opus 4.8 | 39.4 |
| GPT-5.5 | 38.5 |
| GLM-5.2 | 35.6 |
| GPT-5.4 | 34.9 |
| Opus 4.7 | 33.7 |
| Gemini 3.1 Pro Preview | 33.5 |
| Sonnet 5 | 32.5 |
| Opus 4.6 | 32.4 |
| GPT-5.2 | 32.4 |
| Gemini 3 Pro Preview | 31.5 |
| GPT-5.3-Codex | 29.9 |
| GPT-5.2-Codex | 27.2 |
| Opus 4.5 | 20.7 |
| GLM-4.7 | 8.7 |