Claude Sonnet
Hybrid reasoning model with superior intelligence for agents and coding. Frontier performance across the full software development lifecycle.
Speed and quality, without the tradeoff
When you need solid output fast, Sonnet is the default choice for most workflows.
Full-Cycle Coding
Reasons through complex, multi-file codebases from planning to debugging, maintenance, and large-scale refactors. Compresses multi-day coding projects into hours with sustained coherence.
Long-Running Agents
Superior instruction following, tool selection, and error correction for autonomous workflows. Ideal backbone for customer-facing agents, internal automation, and production-grade AI systems.
Browser and Computer Use
Reliably handles browser-based tasks end to end: competitive analysis, procurement workflows, customer onboarding. Navigates digital environments with accuracy and reliability.
Enterprise Workflows
Analyzes financial data, synthesizes research, and generates documents across finance, content, and business operations. Handles high-volume, high-stakes professional workflows at scale.
What you can ask Claude Sonnet to do
Sonnet handles the full range of daily work tasks quickly and with consistent quality.
- Debug and refactor a complex multi-file codebase
- Run a browser-based competitive analysis across multiple sites
- Build an end-to-end customer onboarding agent workflow
- Draft a client proposal from a project brief
- Analyze a financial dataset and generate a structured report
- Automate a procurement workflow using browser navigation
- Write weekly status reports from project data automatically
- Summarize a 30-page report into a one-page executive brief
All models available on Kuse
Switch models mid-conversation. Each model stays in your workspace history.
| Model | Best For | Speed | Cost |
|---|---|---|---|
| Claude Opus | Deep analysis, high-stakes documents, complex code | Moderate | $$$ |
| Claude Sonnet | Everyday tasks, fast drafts, most workflows | Fast | $$ |
| GPT-5.5 | General purpose, strong reasoning and coding | Fast | $$$ |
| GPT-4.5 | Code generation, review, and debugging | Fast | $$ |
| Gemini Pro | Multimodal tasks, Google Workspace integration | Fast | $$ |
| Gemini Flash | Quick replies, simple tasks, budget-conscious use | Very fast | $ |