Build apps powered by Claude 4 Sonnet on Appaca
Get started freeClaude 4 Sonnet
A balanced-hybrid reasoning model tuned for everyday assistant and high-volume tasks.
Model Details
Provider
Anthropic
Model Type
text
Context Window
1,000,000 tokens
Pricing
Input (1M)$3.00
Output (1M)$15.00
Capabilities
- Hybrid reasoning: supports both fast (“near-instant”) and extended thinking modes.
- Optimised for responsiveness, cost and high-volume production workloads.
- Strong coding performance relative to prior Sonnet versions (improved over Sonnet 3.7).
- Available even in free tiers (alongside paid plans).
- Better suited for general-purpose use and agents where speed + cost-efficiency matter.
Build apps powered by Claude 4 Sonnet
Describe what you need and Appaca will create a fully working app using Claude 4 Sonnet — no API keys, no coding, free to start.
Get started free