Anthropic
Claude Sonnet 4.5 (latest) Pricing
API pricing for Claude Sonnet 4.5 (latest) by Anthropic. Input tokens cost $3/1M, output tokens cost $15/1M with 200K context window.
Last updated:
ReasoningToolsVision
Input Cost
$3
per 1M tokens
Output Cost
$15
per 1M tokens
Context Window
200K
tokens
Cost Calculator
Estimated Cost:
$0.00
Model Details
Provider
Anthropic
Model ID
claude-sonnet-4-5
Context Window
200K tokens
Max Output
64000 tokens
Cache Read Cost
$0.3/1M
Release Date
2025-09-29
Compare Alternatives
| Model | Input | Output | Context |
|---|---|---|---|
| Claude Sonnet 4.5 (latest) (this model) | $3 | $15 | 200K |
| Claude Sonnet 3 Anthropic | $3 | $15 | 200K |
| Claude Sonnet 3.5 Anthropic | $3 | $15 | 200K |
| Claude Sonnet 3.5 v2 Anthropic | $3 | $15 | 200K |
| Claude Sonnet 3.7 Anthropic | $3 | $15 | 200K |
| Claude Sonnet 3.7 (latest) Anthropic | $3 | $15 | 200K |
Available from Resellers
Claude Sonnet 4.5 (latest) is also available through these resellers and gateways:
| Reseller | Model | Input | Output |
|---|---|---|---|
| Abacus | Claude Sonnet 3.7 | $3 | $15 |
| Abacus | Claude Sonnet 4 | $3 | $15 |
| Abacus | Claude Sonnet 4.5 | $3 | $15 |
| AIHubMix | Claude Sonnet 4.5 | $3.3 | $16.5 |
| Amazon Bedrock | Claude Sonnet 3 | $3 | $15 |
| Amazon Bedrock | Claude Sonnet 3.5 | $3 | $15 |
| Amazon Bedrock | Claude Sonnet 3.5 v2 | $3 | $15 |
| Amazon Bedrock | Claude Sonnet 3.7 | $3 | $15 |
| Amazon Bedrock | Claude Sonnet 4 | $3 | $15 |
| Amazon Bedrock | Claude Sonnet 4.5 | $3 | $15 |