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claude sonnet 4.5 20250929

claude-sonnetReasoningTool CallingAttachmentsStructured Output

Balanced Claude model for coding, analysis, agent workflows, and cost control

Providers2
ReleasedSep 30, 2025
Input Modalitiestext, image, pdf
Output Modalitiestext
Tarsk Usecoding

Available Providers (2)

ProviderModel IDInput CostOutput CostContextMax OutputDocs
Jiekou.AIclaude-sonnet-4-5-20250929$2.70/MTok$13.50/MTok200K64K
302.AIclaude-sonnet-4-5-20250929$3/MTok$15/MTok200K64K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output