This model was retired on 2026-10-19. The pricing below is the last-known rate, kept for migration reference.
Claude Sonnet 4.5Deprecated
VisionTool useReasoningPrompt cachingStructured output
Context
1M
Max output
1M
Serving providers
8
Cheapest input
$3.00 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Pricing by serving provider
last-known · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Databricks | $3.00 | $15.00 | 1 | ||||||||||||||||||||||||||
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| Anthropic | $3.00 | $15.00 | 1 | ||||||||||||||||||||||||||
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| Azure | $3.00 | $15.00 | 1 | ||||||||||||||||||||||||||
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| Gmi | $3.00 | $15.00 | 1 | ||||||||||||||||||||||||||
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| Vercel AI Gateway | $3.00 | $15.00 | 1 | ||||||||||||||||||||||||||
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| Vertex AI | $3.00 | $15.00 | 1 | ||||||||||||||||||||||||||
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| Snowflake | $3.00 | $15.00 | 1 | ||||||||||||||||||||||||||
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| OpenRouter | $3.00 | $15.00 | 1 | ||||||||||||||||||||||||||
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Price history
input + output $/1M since we started tracking Input Output
Cost calculator
estimate your monthly spend on this model$1,800
estimated / month
Model IDs
copy the exact identifier for your platformdatabricks/databricks-claude-sonnet-4-5claude-sonnet-4-5azure_ai/claude-sonnet-4-5gmi/anthropic/claude-sonnet-4.5vercel_ai_gateway/anthropic/claude-sonnet-4.5vertex_ai/claude-sonnet-4-5snowflake/claude-sonnet-4-5anthropic/claude-sonnet-4.5
Frequently asked questions
Claude Sonnet 4.5 pricing, context and availabilityIs Claude Sonnet 4.5 still available?
Claude Sonnet 4.5 was retired on 2026-10-19. The pricing on this page is the last-known rate, kept for migration reference.
How much did Claude Sonnet 4.5 cost?
Claude Sonnet 4.5's last-known pricing, before it was retired on 2026-10-19, was $3.00 per 1M input tokens and $15.00 per 1M output tokens.
What was the context window of Claude Sonnet 4.5?
Claude Sonnet 4.5 had a 1M token context window and could return up to 1M output tokens.
What could Claude Sonnet 4.5 do?
Claude Sonnet 4.5 supported image input (vision), tool use, reasoning, prompt caching and structured output.
Other Anthropic models
compare pricing across the Anthropic lineupPopular comparisons
head-to-head pages featuring Claude Sonnet 4.5
Claude Sonnet 4.5 vs GPT-5 Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily
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