Claude Sonnet 4.5
Anthropicclaude-sonnet-4-5
Released Sep 29, 2025
Providers
3
Context
200K
Input
$3.00/M
Output
$15.00/M
Aliases:claude-sonnet-4.5sonnet-4.5sonnet-4-5claude-4.5-sonnetclaude-sonnet-4-5-20250929
Anthropic's latest Sonnet model featuring exceptional performance on coding, analysis, and instruction following.
Anthropic's latest Sonnet model featuring exceptional performance on coding, analysis, and instruction following.
AzureDeprecating on Azure
azure/claude-sonnet-4-5
200K context64K max outQuant: Unspecified
Input Price
$3.00/M tokens
Output Price
$15.00/M tokens
Cache read: $0.30/MCache write: (ephemeral_5m_input_tokens) $3.75/MCache write: (ephemeral_1h_input_tokens) $6.00/M
Web search $10.00/1K searches
AnthropicDeprecating on Anthropic
anthropic/claude-sonnet-4-5
200K context64K max outQuant: Unspecified
Input Price
$3.00/M tokens
Output Price
$15.00/M tokens
Cache read: $0.30/MCache write: (ephemeral_5m_input_tokens) $3.75/MCache write: (ephemeral_1h_input_tokens) $6.00/M
Web search $10.00/1K searches
AWS Bedrock
bedrock/claude-sonnet-4-5
200K context64K max outQuant: Unspecified
Input Price
$3.00/M tokens
Output Price
$15.00/M tokens
Cache read: $0.30/MCache write: (ephemeral_5m_input_tokens) $3.75/MCache write: (ephemeral_1h_input_tokens) $6.00/M