# APEX-Agents

> A professional-services agent benchmark covering long-horizon knowledge-work tasks.

Canonical page: https://benchlm.ai/benchmarks/apexagents

- Category: [Agentic](/agentic)
- Last updated: September 27, 2026

## About APEX-Agents

- Year: 2026
- Tasks: Professional-services agent tasks
- Format: Agent task-completion score
- Difficulty: Long-horizon professional work
- Paper: [Kimi K3: Open Frontier Intelligence](https://www.kimi.com/blog/kimi-k3)

BenchLM stores Moonshot's provider-run APEX-Agents value separately from the Artificial Analysis APEX-Agents-AA implementation.

APEX-Agents is currently displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Leaderboard (10 models)

| Rank | Model | Creator | Score |
|------|-------|---------|-------|
| 1 | [Grok 4.6](/models/grok-4-6) | xAI | 57.5% |
| 2 | [Apodex 1.1](/models/apodex-1-1) | Apodex | 38.5% |
| 3 | [Step 5 Preview](/models/step-5-preview) | StepFun | 37.8% |
| 4 | [Kimi K3](/models/kimi-k3) | Moonshot AI | 37.6% |
| 5 | [Hy4 preview](/models/hy4-preview) | Tencent | 37.1% |
| 6 | [dots3-note Preview](/models/dots3-note-preview) | Dots Studio | 30.8% |
| 7 | [Ling 3.0 Flash Fin](/models/ling-3-0-flash-fin) | InclusionAI | 29.2% |
| 8 | [Apodex 1.1 Mini](/models/apodex-1-1-mini) | Apodex | 27.7% |
| 9 | [Solar Pro 4](/models/solar-pro-4) | Upstage | 18.7% |
| 10 | [Solar Open 2](/models/solar-open-2) | Upstage | 16.6% |

## FAQ

### What does APEX-Agents measure?

A professional-services agent benchmark covering long-horizon knowledge-work tasks.

### Which model scores highest on APEX-Agents?

Grok 4.6 by xAI currently leads with a score of 57.5% on APEX-Agents.

### How many models are evaluated on APEX-Agents?

10 AI models have been evaluated on APEX-Agents on BenchLM.

### Does APEX-Agents affect BenchLM's overall score?

Not directly. APEX-Agents is still displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Compare Top Models on APEX-Agents

- [Grok 4.6 vs Apodex 1.1](/compare/apodex-1-1-vs-grok-4-6)
- [Apodex 1.1 vs Step 5 Preview](/compare/apodex-1-1-vs-step-5-preview)
- [Step 5 Preview vs Kimi K3](/compare/kimi-k3-vs-step-5-preview)
- [Kimi K3 vs Hy4 preview](/compare/hy4-preview-vs-kimi-k3)