How much does ERNIE 5.1 cost?

The lowest price for ERNIE 5.1 is $2.54 /1M, at AIHubMix.

Which provider offers ERNIE 5.1 cheapest?

AIHubMix, at $2.54 /1M. 2 providers serve ERNIE 5.1; the table above lists every one with its price.

ERNIE 5.1 reads up to 128K tokens per request and writes up to 66K.

We have not found ERNIE 5.1's weights published by its maker.

2 API providers serve ERNIE 5.1. Compare their prices above, or open a provider to see everything it offers.

Textby BaiduReleased May 9, 2026

ERNIE 5.1 is a text model by Baidu. 2 providers serve it, from $2.54 to $2.65 /1M; the lowest price is at AIHubMix.

Lowest price$2.54/1Mat AIHubMix

Maker's price—The maker does not sell it

Providers2

Context128KMax output 66K

Against the 737 text models on the site priced the same way.

Pricey for its class: at $2.54 /1M, its lowest price is above 68% of comparable models (median $1.10).
Its 128K-token context window is larger than 12% of them (median 262K), about 190 pages of text.
On LMArena's Text board it ranks #5 of the 120 comparable models scored there.
2 providers serve it; 36% of comparable models have fewer.

Every provider's list price, read from its own price page or API. A price marked “from” changes with context length, resolution or mode.

Provider	Input	Output	Prompt caching	Context
AIHubMix	$0.563/1M	From$2.54/1M	$0.563/1M	119K
ZenMux	$0.588/1M	From$2.65/1M	—	128K

Output price by provider, /1M, cheapest first

Prices in US dollars, updated daily from each provider. Prices last checked Oct 25, 2026.

Same kind of model from other makers, at a similar price.

Model	Lowest price	Context	Arena	Providers
ERNIE 5.1this model	$2.54/1M	128K	1468	2
GLM-5.3	$1.10/1M	1.05M	1623	49
Qwen3.8 2.4T A95B	$4.11/1M	1M	—	22
Grok 4.7	$4.80/1M	500K	1637	28
Gemini 3 Flash	$2.40/1M	1.05M	1466	5
Mistral Large 4	$2.09/1M	1.05M	1543	13
Muse Spark 1.3	$4.25/1M	1.05M	1657	11
Sonar	$1/1M	127K	—	9
GLM-5.2	$1.80/1M	1M	1604	44