ERNIE 4.5 300B A47B vs GPT-5.1
Baidu vs OpenAI — benchmarks, pricing, and capabilities side by side.
- •GPT-5.1 has the higher intelligence index (89 vs 68.2)
- •ERNIE 4.5 300B A47B is cheaper ($0.28 vs $1.25 per 1M input)
- •GPT-5.1 is faster
- •GPT-5.1 has a larger context window (400K)
| ERNIE 4.5 300B A47B | GPT-5.1 | |
|---|---|---|
| Intelligence index | 68.2 | 89 |
| Developer | Baidu | OpenAI |
| Type | LLM | LLM |
| Access | Open weights | API only |
| Context window | 131,072 tokens | 400,000 tokens |
| Input price | $0.28 / 1M | $1.25 / 1M |
| Output price | $1.10 / 1M | $10.00 / 1M |
| Speed | 24 tok/s | 115 tok/s |
| Released | June 30, 2025 | November 12, 2025 |
| Parameters | — | — |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |
Shared benchmarks
ERNIE 4.5 300B A47B
GPT-5.1
AIME 2025
41.3
94
GPQA Diamond
81.1
88.1
Humanity’s Last Exam
3.5
26.5
LiveCodeBench
46.7
86.8
MMLU-Pro
77.6
87