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Claude Sonnet 4.5

Anthropic Claude

ActiveReleased 2025-09-29
ChatJSON modeStreamingTool calling
1M
Context window
No
Reasoning support
Yes
Tool calling

Pricing

Input
$3.00/M
Output
$15.00/M

Shown for Anthropic, the primary provider surface for this model. Pricing is Cloptima's known static list pricing; live/negotiated rates may differ.

Available via 3 providers

Anthropic
Gateway-routable
claude-sonnet-4-5
200K context$3.00/$15.00 per M tokens
ChatJSON modeStreamingTool calling
Google Vertex AI
Gateway-routable
claude-sonnet-4-5@20250929
1M context$3.00/$15.00 per M tokens
ChatJSON modeStreamingTool calling
AWS Bedrock
Gateway-routable
anthropic.claude-sonnet-4-5-20250929-v1:0
200K context$3.00/$15.00 per M tokens
ChatJSON modeStreamingTool calling