ERNIE 4.5 21B A3B Thinking API Cost Calculator
Estimate your monthly API costs for ERNIE 4.5 21B A3B Thinking from Baidu.
Pricing per 1M tokens
Pricing last verified: Mar 21, 2026
30-Day Price History
Solid line: input price · Dashed line: output price
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Cost Breakdown
Compare with Similar Models
| Model | Input/1M | Output/1M |
|---|---|---|
| ERNIE 4.5 21B A3B Baidu | $0.0700 | $0.2800 |
| ERNIE 4.5 VL 28B A3B Baidu | $0.1400 | $0.5600 |
| ERNIE 4.5 300B A47B Baidu | $0.2800 | $1.10 |
| ERNIE 4.5 VL 424B A47B Baidu | $0.4200 | $1.25 |
| Spotlight Arcee Ai | $0.1800 | $0.1800 |
Frequently Asked Questions
How much does ERNIE 4.5 21B A3B Thinking cost per token?
ERNIE 4.5 21B A3B Thinking is priced at $0.0700 per 1M input tokens and $0.2800 per 1M output tokens. Use the calculator above to estimate your monthly costs based on your usage volume.
What is the context window for ERNIE 4.5 21B A3B Thinking?
ERNIE 4.5 21B A3B Thinking has a context window of 131.1K tokens (131,072 tokens). The maximum output length is 65.5K tokens.
How does ERNIE 4.5 21B A3B Thinking compare to similar models?
ERNIE 4.5 21B A3B Thinking costs $0.0700 input and $0.2800 output per 1M tokens. ERNIE 4.5 21B A3B Thinking is competitively priced compared to ERNIE 4.5 21B A3B ($0.0700 input / $0.2800 output per 1M tokens). See the "Compare with Similar Models" table above, or visit the ERNIE 4.5 21B A3B page at /tools/cost-calculator/baidu/ernie-4-5-21b-a3b.