ERNIE 4.5 21B A3B
NEWOpenRouter
Sparse MoE text model with 21B total params (3B active). Strong reasoning, math, and instruction following with 120K context
Try ERNIE 4.5 21B A3B Now
Start chatting with ERNIE 4.5 21B A3B for free. No credit card required.
Open Chat →Model Specifications
What ERNIE 4.5 21B A3B Excels At
- reasoning
- analysis
- code generation
- long context
Pricing & Access
ERNIE 4.5 21B A3B is available on JustSimpleChat with flexible pricing.
View all pricing plans →Frequently Asked Questions
What is ERNIE 4.5 21B A3B?▼
ERNIE 4.5 21B A3B is Sparse MoE text model with 21B total params (3B active). Strong reasoning, math, and instruction following with 120K context It's developed by OpenRouter and offers 120,000 tokens of context with balanced response times. Available now on JustSimpleChat.
How much does ERNIE 4.5 21B A3B cost?▼
ERNIE 4.5 21B A3B is available on JustSimpleChat with competitive pricing. Visit our pricing page to see current rates and usage tiers for this model.
What's the context window of ERNIE 4.5 21B A3B?▼
ERNIE 4.5 21B A3B supports 120,000 input tokens and 8,192 output tokens. This large context window makes it ideal for analyzing long documents, codebases, and extensive conversations.
How fast is ERNIE 4.5 21B A3B?▼
ERNIE 4.5 21B A3B is classified as balanced speed. This means it's balanced, offering a good mix of speed and thoughtful responses. Perfect for complex reasoning, detailed analysis, and tasks requiring careful consideration.
What are the best use cases for ERNIE 4.5 21B A3B?▼
ERNIE 4.5 21B A3B excels at complex problem-solving and logical analysis, data analysis and research, writing and debugging code. As a premium model, it delivers exceptional quality for demanding applications.
Is ERNIE 4.5 21B A3B good for coding?▼
Yes! ERNIE 4.5 21B A3B is excellent for coding tasks. It supports code generation and can help with debugging, refactoring, and writing code across multiple programming languages. Many developers use it for pair programming and code review.
Can I use ERNIE 4.5 21B A3B for free?▼
JustSimpleChat offers free trial credits that you can use with ERNIE 4.5 21B A3B. Sign up to start using this model and explore our 200+ AI models with flexible pricing options.
How do I access ERNIE 4.5 21B A3B on JustSimpleChat?▼
Getting started with ERNIE 4.5 21B A3B is easy: 1) Sign up or log in to JustSimpleChat, 2) Open the chat interface, 3) Select ERNIE 4.5 21B A3B from the model picker, and 4) Start chatting! No complex setup required - just choose and use.
What capabilities does ERNIE 4.5 21B A3B have?▼
ERNIE 4.5 21B A3B supports reasoning, analysis, code generation, long context. This makes it a versatile choice for a wide range of AI-powered tasks and applications.
How does ERNIE 4.5 21B A3B compare to other AI models?▼
ERNIE 4.5 21B A3B is part of OpenRouter's model lineup. On JustSimpleChat, you can easily compare it with 200+ other models from providers like OpenAI, Google, Anthropic, and more. Try different models side-by-side to find the best fit for your needs.
Related AI Models
GLM 5.1
OpenRouter
Latest Z.ai coding and long-horizon agent model with improved autonomous execution for complex engineering tasks.
GLM 5
OpenRouter
Flagship Z.ai foundation model for systems design, expert coding, and tool-rich agent workflows.
GLM 5 Turbo
OpenRouter
Fast GLM 5 variant optimized for agent workflows, high-throughput coding, and long-context reasoning.
Claude Opus 4.7
Anthropic
Latest Anthropic frontier model for long-running asynchronous agents, advanced coding tasks, and million-token workflows.
Claude Opus 4.6
Anthropic
High-end Anthropic Opus release focused on coding quality, long-running professional tasks, and million-token agent workflows.
Compare ERNIE 4.5 21B A3B
See how ERNIE 4.5 21B A3B stacks up against other popular AI models.
Ready to try ERNIE 4.5 21B A3B?
Join thousands of users already using ERNIE 4.5 21B A3B on JustSimpleChat
Start Free Trial