Model Cost Profile

Baidu: ERNIE 4.5 21B A3B Thinking

Developer: baidu

Pricing updated Mar 11, 2026

Input rank: #66Output rank: #80

Live Pricing

Input: $0.0700

Output: $0.2800

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Pricing via OpenRouter API · Last synced Mar 11, 2026

Baidu's ERNIE 4.5 21B A3B Thinking model features an extensive context window of 131,072 tokens, making it suitable for complex applications such as long-form content generation, detailed report analysis, and comprehensive conversational agents. With an input price of $0.07 per 1 million tokens and an output price of $0.28 per 1 million tokens, teams can effectively manage costs while leveraging the model for high-volume tasks. This pricing structure allows organizations to scale their usage according to project needs, optimizing budget allocations for AI-driven solutions.

🧠 Reasoning

Context Window

131,072

Tokens

Input Price / 1M

$0.0700

Prompt tokens

Output Price / 1M

$0.2800

Completion tokens

Intelligence (MMLU)

Benchmark Pending

Massive Multitask Language Understanding

Side-by-Side Pricing Table

Usage Type	Price / 1M Tokens
Input (Prompt)	$0.0700
Output (Completion)	$0.2800

Compare with Baidu: ERNIE 4.5 21B A3B Compare with Qwen: Qwen3 Coder 30B A3B Instruct Compare with Qwen: Qwen3 235B A22B Instruct 2507

Price History

Baidu: ERNIE 4.5 21B A3B Thinking Pricing Trend

Input / 1M tokens0.0%Output / 1M tokens0.0%

Mar 7 — Mar 11

Current Input / 1M

$0.0700

Current Output / 1M

$0.2800

Cost Calculator

Estimate monthly spend for Baidu: ERNIE 4.5 21B A3B Thinking based on your workload.

Input tokens / month

01.0B

Output tokens / month

0500M

Estimated Monthly Cost

$5.11

25M input + 12M output tokens

Same Workload on Other Models

Arcee AI: Trinity Large Preview (free)$0.00−$5.11 Arcee AI: Trinity Mini (free)$0.00−$5.11 Google: Gemma 3 12B (free)$0.00−$5.11 Google: Gemma 3 27B (free)$0.00−$5.11

Cheaper Alternatives to Compare

Quick links for cost-down decisions before production rollout.

Baidu: ERNIE 4.5 21B A3B Thinking vs Arcee AI: Trinity Large Preview (free)Baidu: ERNIE 4.5 21B A3B Thinking vs Arcee AI: Trinity Mini (free)Baidu: ERNIE 4.5 21B A3B Thinking vs Google: Gemma 3 12B (free)Baidu: ERNIE 4.5 21B A3B Thinking vs Google: Gemma 3 27B (free)

FAQ

Common pricing and benchmark questions for Baidu: ERNIE 4.5 21B A3B Thinking.

How much does Baidu: ERNIE 4.5 21B A3B Thinking cost per 1M input tokens?

Baidu: ERNIE 4.5 21B A3B Thinking input pricing is $0.0700 per 1M tokens based on the latest synced provider data.

How much does Baidu: ERNIE 4.5 21B A3B Thinking cost per 1M output tokens?

Baidu: ERNIE 4.5 21B A3B Thinking output pricing is $0.2800 per 1M tokens based on the latest synced provider data.

What context window does Baidu: ERNIE 4.5 21B A3B Thinking support?

Baidu: ERNIE 4.5 21B A3B Thinking supports a context window of 131,072 tokens.

How can I compare Baidu: ERNIE 4.5 21B A3B Thinking with cheaper alternatives?

Use the comparison links on this page to open direct model-vs-model pricing and benchmark pages, then evaluate monthly spend projections for your workload.