ERNIE 4.5 21B A3B PT is Baidu's language model with a 4K context window and up to 4K output tokens, starting at $0.1 / 1M input and $0.1 / 1M output. A post-trained MoE text LLM from Baidu with 21B total parameters and 3B activated per token, optimized for general language understanding.
Specifications
Canonical IDbaidu-ernie-4-5-21b-a3b-pt
TypeLanguage
StatusActive
CreatorBaiduBaidu
Providers
Context Window4K tokens
Max Output4K tokens
Input ModalitiesText
Output ModalitiesText
Parameters21B

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Fireworks AI logo
Fireworks AI
fireworks_ai/accounts/fireworks/models/ernie-4p5-21b-a3b-pt
$0.1$0.1

Cost Calculator

US Dollar ($)
Preset:

Cheapest Instances to Run It

Cloud GPU instances that can host ERNIE 4.5 21B A3B PT, ranked by cheapest on-demand price. The model needs about 50 GB of GPU memory at FP16 precision (estimated from its parameter count), so treat the fit as guidance rather than a guarantee.

All clouds
FP16 (full precision)
US Dollar ($)
Instance
Cloud
GPU
VRAM
Price
Cheapest region
Standard_NP10sAzureAMD Alveo U250 FPGA (64GB)64 GB$1.65/hrwestus2
Standard_NV32as_v4AzureAMD Radeon Instinct MI2564 GB$1.86/hrwestus2
Standard_NP20sAzure2× AMD Alveo U250 FPGA (64GB)128 GB$3.30/hrwestus2
7 more instances can run ERNIE 4.5 21B A3B PT
Unlock the full ranked list and FP8 / INT4 quantization with a CloudPrice subscription.

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
ERNIE 4.5 21B A3B120K$0.070$0.280Available
ERNIE 4.5 21B A3B PT4K$0.100$0.100Current
ERNIE 4.5 300B A47B PT4K$0.100$0.100Available

Model IDs

accounts/fireworks/models/ernie-4p5-21b-a3b-pt
baidu-ernie-4-5-21b-a3b-pt
fireworks_ai/accounts/fireworks/models/ernie-4p5-21b-a3b-pt