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ERNIE-4.5-21B-A3B-Thinking

ERNIE-4.5-21B-A3B-Thinking is a text-based Mixture of Experts (MoE) post-training model featuring 21B total parameters with 3B active parameters per token.

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-Thinking — 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 131,072 tokens. It was published in March 2025, trained on material up to March 2025. Its sellers say it can reason step by step. The catalogue files it under reasoning. 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
131,072 tokens
Longest answer
65,536 tokens
Published
March 2025
Knowledge to
March 2025
Parameters
21 billion · read from its own name, the total of a mixture
Licence
not read
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-thinking