Inferbase
BetaBaidu
ERNIE 4.5 21B A3B Thinking
ERNIE-4.5-21B-A3B-Thinking is Baidu's upgraded lightweight MoE model, refined to boost reasoning depth and quality for top-tier performance in logical puzzles, math, science, coding, text generation, and expert-level academic benchmarks.
Input
Output
Context
131K
Max Output
66K
Parameters
21B
Technical Specifications
Model TypeChat
Context Window131K
Max Output Tokens66K
Parameters21B
Training Cutoff—
License—
Capabilities
Input Modalities
text
Output Modalities
text
Benchmarks
Pricing
per 1M tokens • updated regularlyPricing
Input
$0.070
Output
$0.280
Available on 1 Platform
| Platform | Input | Output |
|---|---|---|
OpenRouter | $0.070 | $0.280 |
Estimated GPU Requirements for ERNIE 4.5 21B A3B Thinking
Estimates based on INT8 quantization. Actual requirements vary by framework and configuration.
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Mar 24, 2026
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