The previous-generation Sonnet model for coding and agentic workflows.
Get StartedRun /model and pick Claude Sonnet 5 · $3/M input · $15/M output
Key capabilities and pricing
Claude Sonnet 5 supports coding and agentic tasks.
Balanced speed and intelligence for rapid iteration on engineering tasks.
Uses adaptive reasoning depth — thinking harder on complex problems, staying fast on simple ones.
Analyze screenshots, diagrams, and visual content alongside code.
Process large codebases and long documents in a single session.
Strong price-performance for high-volume coding workloads.
Available in AdaL CLI and Desktop through the model selector
Use the coding environment where AdaL already understands your repo, tools, and task context.
Open the model selector and choose your model from the list.
Ask AdaL to inspect, plan, edit, test, and review with your chosen model powering the agent loop.
Key details about Claude Sonnet 5
"Claude Sonnet 5 remains available alongside its successor, Sonnet 5.5."
Family
"Use Sonnet 5 for fast iteration when you need strong coding ability without Opus-tier cost."
AdaL
"1M token native context window for large-codebase engineering."
Context
Open AdaL CLI or Desktop, run /model, and choose Claude Sonnet 5.
Get Started with AdaL