Model record
ERNIE 5.1 model overview
ERNIE 5.1 is a model with access details unavailable from Baidu. It was released on May 9, 2026. Its strongest case is agent and tool use, while buyers should account for only app and playground availability verified.
ERNIE 5.1 benchmark snapshot
| Evaluation | Reported score | What it probes |
|---|---|---|
| MMLU-Pro | Not reported | Broad knowledge and multi-step reasoning |
| GPQA Diamond | Not reported | Graduate-level science reasoning |
| SWE-bench Verified | Not reported | Verified real-repository issue resolution |
| LiveCodeBench | Not reported | Contamination-aware competitive programming |
| SWE-Bench Pro | Not reported | Longer, harder professional software tasks |
| Artificial Analysis Intelligence Index | Not reported | Composite third-party capability index; version matters |
Scores are percentages reported by model creators or benchmark maintainers under varying settings. A blank is preferable to an inferred result. See our methodology.
ERNIE 5.1 strengths
- Agent and tool use
- Deep-search positioning
ERNIE 5.1 limitations
- Only app and playground availability verified
- License, context, parameters, and API pricing unavailable
Editorial take: Benchmark rank should narrow a shortlist, not close a purchase. Run a private evaluation with representative prompts, failure cases, latency targets, and total token costs.
Source record
Specifications and scores are linked to the best source located during review. Provider-reported results are not presented as third-party lab reproductions.
Read Baidu ERNIE 5.1 announcement ↗