Sonnet 4.5 (prompts ≤ 200K tokens) Pricing
by Anthropic
Token Costs (per 1M)
Input Price
$6.00
Output Price
$22.50
Technical Specs
Context Window 128,000 tokens
Last Updated 11/30/2025
Provider Anthropic
Price History
| Date | Input Price | Output Price |
|---|---|---|
| 11/30/2025 | $3.00 | $15.00 |
| 11/30/2025 | $6.00 | $22.50 |
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