Claude Sonnet 4.5
Overview
Claude Sonnet 4.5 is a balanced AI model developed by Anthropic, integrated into the B.AI platform. It is designed to provide near-flagship intelligence at a lower cost, making it the ideal choice for large-scale enterprise AI deployment.
Key Features
- Ideal Intelligence & Speed: Far surpasses similar models in intelligence while offering twice the response speed of the Opus model series.
- Enterprise-Grade Optimization: Specifically tuned for core business scenarios such as knowledge retrieval, sales automation, and complex data analysis.
- Extra-Long Context & High Recall: Supports a massive context window while maintaining extremely high information recall accuracy even in very long documents.
Best Use Cases
- Enterprise Knowledge Management: Quickly and accurately retrieving information from vast documentation to provide precise answers for customers or employees.
- Sales & Marketing Automation: Analyzing market data, generating personalized marketing copy, and automatically processing sales leads.
- Code Quality Control: Efficiently generating and reviewing code to help development teams improve both speed and code quality.
Capabilities and Limitations
| Capability | Detailed Description |
|---|---|
| Reasoning Ability | Strong. Performs well in most reasoning and coding tasks, meeting the needs of professional business applications. |
| Creative Ability | Strong. Generates high-quality text that complies with rigorous business and professional standards. |
| Multimodal Ability | Supported. Strong image understanding capabilities for processing documents and reports containing charts. |
| Response Speed | Medium. Strikes an excellent balance between intelligence and speed, ideal for interactive applications. |
| Context Window | Huge. Shares the extra-long context processing capability with the flagship Opus model. |
Standard Pricing
The token prices below are shown in USD per 1 million tokens; web search is billed in USD per use.
| Model | Input (USD / 1M Tokens) | Cache Write (USD / 1M Tokens) | Cache Read (USD / 1M Tokens) | Output (USD / 1M Tokens) | Web Search (USD / use) |
|---|---|---|---|---|---|
| Claude Sonnet 4.5 | $3.00 | $3.75 | $0.30 | $15.00 | $0.01 |
Credits settlement: B.AI converts charges at 1 USD = 1,000,000 Credits and deducts Credits from the account balance.
Prices shown in the documentation are B.AI standard reference prices for base billing purposes. B.AI may provide lower actual usage costs through top-up bonuses and account benefits. Specific prices, bonus Credits, and account benefits are subject to the platform display and final billing records.