Claude Sonnet 4.5

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

anthropic/claude-sonnet-4-5-20250929
Organization
Anthropic
Providers
9
Context
200,000
Output limit
64,000
Knowledge
2025-07-31
Release
2025-09-29
Updated
2025-09-29
Weights
Closed
Input
text, image, pdf
Output
text
Capabilities
Tools, Reasoning, Temperature

Providers

Compare every cataloged offer for this model, including its provider, route, token limits, price, and capabilities.

15 offers · USD per million tokens
ProviderModel IDContextOutputInput / output · 1MReasoningToolsStructuredDetails
Abacus
claude-sonnet-4-5-20250929
200,00064,000$3.00 / $15.00YesYes—
View
Amazon Bedrock
jp.anthropic.claude-sonnet-4-5-20250929-v1:0
200,00064,000$3.30 / $16.50YesYesYes
View
Amazon Bedrock
au.anthropic.claude-sonnet-4-5-20250929-v1:0
200,00064,000$3.30 / $16.50YesYesYes
View
Amazon Bedrock
anthropic.claude-sonnet-4-5-20250929-v1:0
200,00064,000$3.00 / $15.00YesYesYes
View
Amazon Bedrock
us.anthropic.claude-sonnet-4-5-20250929-v1:0
200,00064,000$3.30 / $16.50YesYesYes
View
Amazon Bedrock
global.anthropic.claude-sonnet-4-5-20250929-v1:0
200,00064,000$3.00 / $15.00YesYesYes
View
Amazon Bedrock
eu.anthropic.claude-sonnet-4-5-20250929-v1:0
200,00064,000$3.30 / $16.50YesYesYes
View
Databricks
databricks-claude-sonnet-4
200,00064,000$3.00 / $15.00YesYes—
View
DevPass (LLM Gateway)
claude-sonnet-4-5-20250929
200,00064,000$3.00 / $15.00YesYes—
View
LLM Gateway
aws-bedrock/claude-sonnet-4-5-20250929
200,0008,192$3.00 / $15.00YesYesYes
View
LLM Gateway
anthropic/claude-sonnet-4-5-20250929
200,00064,000$3.00 / $15.00YesYesYes
View
Merge Gateway
anthropic/claude-sonnet-4-5-20250929
200,00064,000$3.00 / $15.00YesYesYes
View
Tempr Gateway
anthropic/claude-sonnet-4-5-20250929
200,00064,000$3.00 / $15.00YesYesYes
View
Vertex
claude-sonnet-4-5@20250929
200,00064,000$3.00 / $15.00YesYes—
View
Vertex (Anthropic)
claude-sonnet-4-5@20250929
200,00064,000$3.00 / $15.00YesYes—
View

Prices and limits apply to each offer. A dash means the value is not provided. OpenRouter offers show the hosting provider and routing channel separately.

Pricing

Compare token rates and cache charges across available routes and hosting configurations.

USD per million tokens
Input from$3.00Per 1M input tokens
Output from$15.00Per 1M output tokens
Available offers15Across 9 providers

Lowest listed input and output prices across the offers above; they may belong to different providers. These are base rates, before conditional pricing, discounts or additional fees.

Frequently asked questions

Answers based on the model metadata and serving offers currently in the catalog.

How much does Claude Sonnet 4.5 cost?

Listed rates start at $3.00 per million input tokens and $15.00 per million output tokens. Prices vary by provider and configuration; see Pricing for details.

Which providers offer Claude Sonnet 4.5?

There are 15 cataloged offers across 9 providers. Compare model IDs, prices and limits in Providers.

What is the context window?

The cataloged model context is 200,000 tokens. Each serving endpoint may apply a different limit.

Does it support tools and structured output?

Tool calling: Yes. Structured output: Not reported. Support can vary by endpoint.

Catalog history · 2 recorded revisions

Metadata observations since this model was first cataloged. These are not model release versions.

  • · 1d78cb4bdd24
  • · 960243952f0e