LLMOpen weights
ERNIE 4.5 21B A3B Thinking
Baidu
Updated May 21, 2026 · Benchmarks via Artificial Analysis, specs & pricing via OpenRouter · Methodology · Report an error
Specifications
- Type
- LLM
- Access
- Open weights
- Released
- October 9, 2025
- Context window
- 131,072 tokens
- Knowledge cutoff
- March 31, 2025
- Input
- Text
- Output
- Text
- API pricing
- $0.07 in · $0.28 out / 1M tokens