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ERNIE 4.5 21B A3B

The ERNIE 4.5 series of open-source models adopts a Mixture-of-Experts (MoE) architecture, representing an innovative multimodal heterogeneous model structure.

text → text · made by Baidu

$0.07$0.28per Mtok in / out
Novita AI · 2 sellers

Sold by 2 ways

SellerLaneRate
Novita AI aggregatorstandard$0.07per Mtok in$0.28per Mtok outapi.novita.ai · read 2026-08-25
PPIO aggregatorstandard$0.5per Mtok in$2per Mtok outapi.ppinfra.com · read 2026-09-10

About

ERNIE 4.5 21B A3B — a text model from Baidu, sold by 2 companies from $0.07 in and $0.28 out per million tokens.

It takes text and returns text, with a context window of 120,000 tokens. It was published in June 2025, trained on material up to March 2025. Its sellers say it can call a tool. The catalogue files it under chat. Two companies sell it. The cheapest is $0.07 in and $0.28 out per million tokens at Novita AI.

Every current figure

Maker
Baidu
Register
model
Takes
text
Returns
text
Context
120,000 tokens
Longest answer
8,000 tokens
Published
June 2025
Knowledge to
March 2025
Parameters
21 billion · read from its own name, the total of a mixture
Sellers
2
Maker's own price
not read
Price
$0.07 in and $0.28 out per million tokens — Novita AI

Known as 1 name

baidu/ernie-4.5-21B-a3b