AI Rate Card

Base model

Baidu Ernie 4.5 21B A3B Thinking

from $0.07 at 1 provider

baidu/ernie-4.5-21b-a3b-thinking · 21B parameters (3B active) · 1 provider · Text models ·

All Baidu ERNIE models at every provider

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The same as an API for bots (format=json|csv|yaml, limit, offset):

https://airatecard.com/export?format=json&model=baidu%2Fernie-4.5-21b-a3b-thinking

API parameters and a form

ModelVariantIconProviderInput, $Output, $Your cost/mo, $Subscription, $/moRegionContextMax outputAcceptsLast checkedRecommendActions
= Baidu Ernie 4.5 21B A3B Thinking×
Provider
Pricing
Region
Input
Status
Baidu Ernie 4.5 21B A3B ThinkingBaidu Ernie 4.5 21B A3B Thinkinghelicone ↗$0.07$0.28—128K8Ktext4 Nov
12:00

Ranges in one field: "from-to" - "0.5-3", "-3" (up to), "128k-" (from); a colon works too. Several ticked values of one column are ORed, columns are ANDed.

Input price history, $/1M

Input price history, $/1Mminimummedian$0.077$0.0632026-10-062026-11-04$0.07$0.07

Latest: minimum $0.07, median $0.07 (Nov 4, 2026)

The ERNIE family - base models: 20
About the model: cost of your workload, questions, comparisons, citation

Cost of my workload → in the Tools tab: every provider of this model, cheapest first

Frequently asked questions

How much does Baidu Ernie 4.5 21B A3B Thinking API cost?

From $0.07 input and $0.28 output per 1M tokens, at helicone.

Which provider offers Baidu Ernie 4.5 21B A3B Thinking cheapest?

helicone offers the lowest price, $0.07 per 1M tokens, among 1 provider.

What is the context window of Baidu Ernie 4.5 21B A3B Thinking?

128K tokens.

Source: AI Rate Card, https://airatecard.com/en/model/baidu/ernie-4.5-21b-a3b-thinking, prices checked 2026-11-04