ErnieClosed Weights

Baidu Ernie 4.5 21B A3B Thinking

ernie-4.5-21b-a3b-thinking

Best Input Price

$0.07 / 1M

Reasoning model for deliberate analysis, multi-step problem solving, and tool use

Context Window

128,000 tokens

Reasoning

Supported

Tool Calling

Released

2025-03-16

Inference Providers (1)

Provider	Model ID	Context	Input / 1M	Output / 1M	Action
Helicone	ernie-4.5-21b-a3b-thinking	128,000	$0.07	$0.28	Docs ↗