Baidu: ERNIE 4.5 300B A47B

Baidu: ERNIE 4.5 300B A47B

BaiduLLM

ERNIE-4.5-300B-A47B is a 300B parameter Mixture-of-Experts (MoE) language model developed by Baidu as part of the ERNIE 4.5 series. It activates 47B parameters per token and supports text generation in...

Open SourceAPI Available

Specifications

Context Window

123K tokens

Input Price/1M

$0.28

Output Price/1M

$1.10

Parameters

Speed

26 tok/s

Latency (TTFT)

1.6s

Max Output

12K tokens

Benchmarks

Baidu: ERNIE 4.5 300B A47B results on the main AI model evaluation benchmarks. Higher scores indicate better performance.

Agentic

BenchmarkScoreMaximumMethodology
Terminal-Bench Hard6.0100.0

Coding

BenchmarkScoreMaximumMethodology
LiveCodeBench47.0100.0Artificial Analysis official API
SciCode32.0100.0
AA Coding Index14.5100.0Artificial Analysis official API

Knowledge

BenchmarkScoreMaximumMethodology
MMLU-Pro78.0100.0

Long Context

BenchmarkScoreMaximumMethodology
AA-LCR2.0100.0

Math

BenchmarkScoreMaximumMethodology
MATH-50093.1100.0Artificial Analysis official API
AA Math Index41.3100.0Artificial Analysis official API
AIME 202541.0100.0Artificial Analysis official API

overall

BenchmarkScoreMaximumMethodology
AA Intelligence Index15.0100.0Artificial Analysis official API

Reasoning

BenchmarkScoreMaximumMethodology
GPQA Diamond81.0100.0Artificial Analysis official API
MMLU Pro77.6100.0Artificial Analysis official API
IFBench39.0100.0
HLE4.0100.0

Tool Use

BenchmarkScoreMaximumMethodology
Tau²-Bench0.0100.0

Information

Release date
June 30, 2025
Tool Calling
❌ Not supported
Vision
❌ Not supported
Audio
❌ Not supported

Full Analysis: Baidu: ERNIE 4.5 300B A47B

What is Baidu: ERNIE 4.5 300B A47B ?

Baidu: ERNIE 4.5 300B A47B is an AI model developed by Baidu, classified as a large language model (LLM). It focuses on text processing and natural language generation. As an open source model, it is available for download, customization, and on-premises deployment. With a context window of 123K tokens, it is suitable for processing long documents such as contracts, books, and complete codebases.

Pricing & Costs in 2026

Baidu: ERNIE 4.5 300B A47B is usage-based, priced at $0.28/1M input tokens and $1.1/1M output tokens. For context: 1 million tokens is approximately 750,000 words, or about 10 average-length books. At this aggressive price point, it is one of the most cost-effective options on the market, ideal for high-volume applications like chatbots, bulk document analysis, and automation.

Benchmarks & Performance

Baidu: ERNIE 4.5 300B A47B was evaluated on 15 different benchmarks, covering categories like Agentic, Coding, Knowledge, Long Context, Math, overall, Reasoning, Tool Use. Results show exceptional performance across available evaluations.

It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.

Recommended Use Cases

Baidu: ERNIE 4.5 300B A47B is suitable for a wide range of AI applications: long document analysis (contracts, legal proceedings, codebases), high-volume chatbots and automated support, text generation, summarization, translation, and general assistance.

Comparison with Alternatives

In the 2026 AI model ecosystem, Baidu: ERNIE 4.5 300B A47B competes directly with similarly capable models. Baidu competes in this segment against OpenAI, Anthropic, Google, and Meta. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.

For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.

Frequently Asked Questions

What is Baidu: ERNIE 4.5 300B A47B ?

ERNIE-4.5-300B-A47B is a 300B parameter Mixture-of-Experts (MoE) language model developed by Baidu as part of the ERNIE 4.5 series. It activates 47B parameters per token and supports text generation in...

How much does Baidu: ERNIE 4.5 300B A47B cost?

Baidu: ERNIE 4.5 300B A47B costs $0.28/1M input tokens and $1.1/1M output tokens. For heavy usage (e.g., a chatbot handling 100k messages/month), costs can range from $10 to $1,000 depending on volume.

How does Baidu: ERNIE 4.5 300B A47B compare with other models?

In available benchmarks, Baidu: ERNIE 4.5 300B A47B scored: Terminal-Bench Hard: 6/100, LiveCodeBench: 47/100, SciCode: 32/100. See the full table above for a detailed comparison.

Is Baidu: ERNIE 4.5 300B A47B open source?

Yes, Baidu: ERNIE 4.5 300B A47B is an open source model. You can deploy it on-premises, customize it via fine-tuning, and maintain full control over your data. Check the official repository for the specific license.

What is Baidu: ERNIE 4.5 300B A47B best for?

Baidu: ERNIE 4.5 300B A47B excels at general-purpose language tasks. With its large context window, it handles long documents, codebases, and extended conversations.

Last updated: June 01, 2026 View methodology →