Claude Sonnet 4
Anthropic
Great balance of performance and price. Excellent for long-form writing, document analysis and code. Strong for professional chat.
Use case
Writing, Code / Dev, Analysis, Chat
Free
Free — Free tier with usage quotas
Subscription (month)
$20.00 /month (Claude Pro)
Input ($/M tokens) / Output ($/M tokens)
Input ($/M tokens): $3.00 · Output ($/M tokens): $15.00