Scheduled for retirement on Nov 30, 2026. Still available at the prices below until then.
Context
1M
Max output
64K
Serving providers
8
Cheapest input
$3.00 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
DatabricksCheapest$3.00$15.001
Standarddatabricks/databricks-claude-sonnet-4-5
ComponentUnitStandard
Text cached in/1M tok$0.30
Text cache write/1M tok$3.75
Text input/1M tok$3.00
Text output/1M tok$15.00
Anthropic$3.00$15.001
Azure$3.00$15.001
Gmi$3.00$15.001
OpenRouter$3.00$15.001
Snowflake$3.00$15.001
VercelVercel reseller quote$3.00$15.001
Vertex AI Anthropic Models$3.00$15.001
Vercel is dearest at $6.00 / $22.50

Price history

listed seller prices, input and output per 1M tokens
Input Output
$0.00$5.00$10.00$15.00Sep 29Dec 2Jun 4Sep 26$15.00$3.00

Cost calculator

estimate your monthly spend on this model
$1,800
estimated / month

Model IDs

copy the exact identifier for your platform
anthropic/claude-sonnet-4.5:batchdatabricks/databricks-claude-sonnet-4-5gmi/anthropic/claude-sonnet-4.5azure_ai/claude-sonnet-4-5vertex_ai/claude-sonnet-4-5snowflake/claude-sonnet-4-5anthropic/claude-sonnet-4.5anthropic/claude-sonnet-4.5claude-sonnet-4-5anthropic/claude-sonnet-4.5

Frequently asked questions

Claude Sonnet 4.5 pricing, context and availability

Is Claude Sonnet 4.5 still available?

Yes. Claude Sonnet 4.5 is scheduled for retirement on 2026-11-30.

How much does Claude Sonnet 4.5 cost?

Claude Sonnet 4.5 costs $3.00 per 1M input tokens from Databricks, and $15.00 per 1M output tokens from Anthropic. Across 8 serving providers, input prices range from $3.00 to $3.00 per 1M tokens.

What is the context window of Claude Sonnet 4.5?

Claude Sonnet 4.5 accepts up to 1M tokens of context and can return up to 64K output tokens.

Which providers serve Claude Sonnet 4.5?

Claude Sonnet 4.5 is available from 8 serving providers, each with its own pricing and model ID. Databricks is currently the cheapest.

What can Claude Sonnet 4.5 do?

Claude Sonnet 4.5 supports image input (vision), tool use, reasoning, prompt caching and structured output.

Other Anthropic models

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Popular comparisons

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Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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