Claude Sonnet 4.5
FrontierCompare pricing across 5 providers. Cheapest: Google Vertex AI at $6.00/1M tokens.
Family
anthropic
Context Window
200K
Max Output
64K
Arena ELO
1335
Type
chat
Provider Pricing(5 providers)
| Provider | Input/1M↑ | Output/1M | Link |
|---|---|---|---|
Google Vertex AICheapest | $3.00 | $15.00 | Use model |
AnthropicCheapest | $3.00 | $15.00 | Use model |
OpenRouterCheapest | $3.00 | $15.00 | Use model |
Azure OpenAICheapest | $3.00 | $15.00 | Use model |
| $3.30 | $16.50 | Use model |
Model Aliases
azure_ai/claude-sonnet-4-5anthropic-claude-sonnet-4-5Anthropic: Claude Sonnet 4.5claude-sonnet-4-5-20250929
Frequently Asked Questions
The cheapest provider for Claude Sonnet 4.5 is currently Google Vertex AI at $6.0000 per million tokens (blended rate). Prices are verified every 6 hours. Check the provider comparison table below for all available options.
Prices in USD per 1M tokens. Updated every 6 hours.