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Baidu: ERNIE 4.5 21B A3B Thinking

🇨🇳 Baidu · 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
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Overview

Baidu: ERNIE 4.5 21B A3B Thinking is a large language model API from Baidu, part of its ERNIE 4.5 model family. At $0.070 per million input tokens and $0.280 per million output tokens, it sits in the budget tier — among the cheaper options for high-throughput or cost-sensitive workloads. Output tokens cost about 4× as much as input, so prompt-heavy workloads run noticeably cheaper than generation-heavy ones. The 131K-token context window — around 197 pages of text — comfortably handles long documents, multi-file code, or extended conversations. All prices on this page reflect OpenRouter's routed rates and are re-synced automatically every day; confirm against the provider's official pricing before committing to production.

Dimension Unit Price (USD) Price (TWD) Effective From
Input per 1M tokens $0.070 NT$2.2
Output per 1M tokens $0.280 NT$9.0

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
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter
Output $0.280 OpenRouter
Input $0.070 OpenRouter

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