Baidu: ERNIE 4.5 21B A3B Thinking
🇨🇳 百度 · ERNIE 4.5
Input Price $0.070 per million tokens NT$2.2
Output Price $0.280 per million tokens NT$9.0
Context Window 131K tokens Output limit: 66K
OpenRouter Route Price Please verify with official pricing pages
| Dimension | Unit | Price (USD) |
|---|---|---|
| Input | per 1M tokens | $0.070 |
| Output | per 1M tokens | $0.280 |
- Provider
- 百度 (Baidu)
- Model Family
- ERNIE 4.5
- Version String
- baidu/ernie-4.5-21b-a3b-thinking
- Status
- active
- Modality
- text
- Context Window
- 131,072 tokens
- Output Limit
- 65,536 tokens
90-Day Price Trend
Input / Output price (USD per 1M tokens)
Past 90 days of records; every price change is shown here
| Date | Dimension | Price (USD) | Source |
|---|---|---|---|
| 2026-05-27 | Output | $0.280 | openrouter |
| 2026-05-27 | Input | $0.070 | openrouter |
| 2026-05-26 | Output | $0.280 | openrouter |
| 2026-05-26 | Input | $0.070 | openrouter |
| 2026-05-25 | Output | $0.280 | openrouter |
| 2026-05-25 | Input | $0.070 | openrouter |
| 2026-05-24 | Output | $0.280 | openrouter |
| 2026-05-24 | Input | $0.070 | openrouter |
| 2026-05-23 | Output | $0.280 | openrouter |
| 2026-05-23 | Input | $0.070 | openrouter |
| 2026-05-22 | Output | $0.280 | openrouter |
| 2026-05-22 | Input | $0.070 | openrouter |
| 2026-05-22 | Output | $0.280 | openrouter |
| 2026-05-22 | Input | $0.070 | openrouter |
| 2026-05-21 | Output | $0.280 | openrouter |
| 2026-05-21 | Input | $0.070 | openrouter |
| 2026-05-20 | Output | $0.280 | openrouter |
| 2026-05-20 | Input | $0.070 | openrouter |
| 2026-05-19 | Output | $0.280 | openrouter |
| 2026-05-19 | Input | $0.070 | openrouter |
| 2026-05-18 | Output | $0.280 | openrouter |
| 2026-05-18 | Input | $0.070 | openrouter |
| 2026-05-17 | Output | $0.280 | openrouter |
| 2026-05-17 | Input | $0.070 | openrouter |
| 2026-05-16 | Output | $0.280 | openrouter |
| 2026-05-16 | Input | $0.070 | openrouter |
| 2026-05-16 | Output | $0.280 | openrouter |
| 2026-05-16 | Input | $0.070 | openrouter |
| 2026-05-16 | Output | $0.280 | openrouter |
| 2026-05-16 | Input | $0.070 | openrouter |
| 2026-05-16 | Output | $0.280 | openrouter |
| 2026-05-16 | Input | $0.070 | openrouter |
| 2026-05-15 | Output | $0.280 | openrouter |
| 2026-05-15 | Input | $0.070 | openrouter |
| 2026-05-14 | Output | $0.280 | openrouter |
| 2026-05-14 | Input | $0.070 | openrouter |
| 2026-05-13 | Output | $0.280 | openrouter |
| 2026-05-13 | Input | $0.070 | openrouter |
| 2026-05-12 | Output | $0.280 | openrouter |
| 2026-05-12 | Input | $0.070 | openrouter |
| 2026-05-11 | Output | $0.280 | openrouter |
| 2026-05-11 | Input | $0.070 | openrouter |
| 2026-05-10 | Output | $0.280 | openrouter |
| 2026-05-10 | Input | $0.070 | openrouter |
| 2026-05-10 | Output | $0.280 | openrouter |
| 2026-05-10 | Input | $0.070 | openrouter |
| 2026-05-09 | Output | $0.280 | openrouter |
| 2026-05-09 | Input | $0.070 | openrouter |
| 2026-05-09 | Output | $0.280 | openrouter |
| 2026-05-09 | Input | $0.070 | openrouter |
Description
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.
Key Insights
Key data points from this page for quick reference and citation.
- Baidu: ERNIE 4.5 21B A3B Thinking Input price: $0.07/M tokens
- Baidu: ERNIE 4.5 21B A3B Thinking Output price: $0.28/M tokens
- Context window: 131,072 tokens
- Provider: Baidu
- Model family: ERNIE 4.5
- Modalities: text
- Data source: OpenRouter, updated daily