ERNIE 4.5 21B A3B

ERNIE 4.5 21B A3B by Baidu excels in the Coding category, where it ranks #202 with a composite score of 44/100. A sophisticated text-based Mixture-of-Experts (MoE) model featuring 21B total parameters with 3B activated per token, delivering exceptional multimodal understanding and generation through heterogeneous MoE structures and modality-isolated routing. Supporting an extensive 131K token context length, the model achieves efficient inference via multi-expert parallel collaboration and quantization, while advanced post-training techniques including SFT, DPO, and UPO ensure optimized performance across diverse applications with specialized routing and balancing losses for superior task handling. It is particularly strong in areas highlighted by its top benchmark performance and adoption metrics, making it suitable for both individual developers and enterprise teams looking for a reliable coding solution.

ERNIE 4.5 21B A3B is priced at $0.07 per million input tokens and $0.28 per million output tokens (USD). Contact the provider for volume discounts and enterprise pricing. Pricing is competitive within the coding category and reflects the model's quality-to-cost ratio.

In the Coding category, ERNIE 4.5 21B A3B holds rank #202 out of 6 models tracked. Its quality rank is #202 and adoption rank is #202. You can use our comparison tool at /compare to see detailed side-by-side metrics with specific alternatives. Key differentiators include its composite scoring across benchmarks, community sentiment, and real-world adoption rates.

ERNIE 4.5 21B A3B has been evaluated across 6 different signals. Its strongest areas include Capabilities (29/100), Context Window (81/100), Output Capacity (65/100). These scores are derived from industry-standard benchmarks, community ratings, and real-world performance metrics. The composite score of 44/100 reflects a weighted combination of all tracked signals.

ERNIE 4.5 21B A3B is a paid model, though some providers may offer trial credits or limited free tiers for evaluation. Check Baidu's website for current free tier availability and promotional offers.