ERNIE 4.5 21B A3B
ERNIE 4.5 21B A3B is Baidu's language model with a 131K context window and up to 8K output tokens, available from 2 providers, starting at $0.070 / 1M input and $0.280 / 1M output. A 21B-parameter Mixture-of-Experts LLM from Baidu with 3B active parameters per token, featuring multimodal heterogeneous architecture for cross-modal knowledge fusion.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities2/13
Reasoning·
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling✓
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Pricing by Provider
| Provider | Standard | |
|---|---|---|
| Input $ / 1M | Output $ / 1M | |
 Novita | $0.070 | $0.280 |
 OpenRouter | $0.070 | $0.280 |
Cost Calculator
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| ERNIE 4.5 21B A3B | 131K | $0.070 | $0.280 | Current | |
| ERNIE 4.5 21B A3B PT | — | 4K | $0.100 | $0.100 | Available |
| ERNIE 4.5 300B A47B PT | — | 4K | $0.100 | $0.100 | Available |