CONCENTRATE

One API for every major LLM provider — routing, spend, logs, and controls in one place.

New York

130 E 59th St, 17th floor

New York, NY 10022

Wilmington

1201 N. Market Street, Suite 200

Wilmington, DE 19801

LLM Gateway

LLM Gateway
Request Routing
Usage Monitoring
Spend Management
Data Security
Access Controls

Teams

AI Engineering
Engineering Leadership
Finance & Operations
Security & Compliance

Offices

New York

130 E 59th St, 17th floor

New York, NY 10022

Wilmington

1201 N. Market Street, Suite 200

Wilmington, DE 19801

Integrations

All Integrations
Migration Guides

Platform

Pricing
Model Fortress
Enterprise
Documentation
Status

Legal

Privacy Policy
Terms of Service
Data Processing Addendum
Acceptable Use Policy

Features

Universal API Keys
Spend Tracking
Token Allocation
Usage Analytics
Request Logs
Alerts
Data Redaction
Zero Data Retention
Audit Logs

LLM Gateway

LLM Gateway
Request Routing
Usage Monitoring
Spend Management
Data Security
Access Controls

Teams

AI Engineering
Engineering Leadership
Finance & Operations
Security & Compliance

Integrations

All Integrations
Migration Guides

Platform

Pricing
Model Fortress
Enterprise
Documentation

CONCENTRATE

Status

Legal

Privacy Policy
Terms of Service
Data Processing Addendum
Acceptable Use Policy

Features

Universal API Keys
Spend Tracking
Token Allocation
Usage Analytics
Request Logs
Alerts
Data Redaction
Zero Data Retention
Audit Logs

Back to Model Fortress

Claude Sonnet 4.5

Anthropic

anthropic/claude-sonnet-4-5

Released Sep 29, 2025

Chat

Providers

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

anthropic/claude-sonnet-4-5

200K context64K max out

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/MWeb search $10.00/1K searches

Azure

azure/claude-sonnet-4-5

200K context64K max out

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/MWeb search $10.00/1K searches

AWS Bedrock

bedrock/claude-sonnet-4-5

200K context64K max out

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

Claude Sonnet 4.5 - Anthropic | API Pricing & Providers | Concentrate.ai