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Anthropic
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anthropic/claude-sonnet-4-0

Claude Sonnet 4 (latest)

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

This model's cache

This model page returns the exact headers below. The page and /api/models/anthropic--claude-sonnet-4-0 share the model:anthropic--claude-sonnet-4-0 tag, so invalidation stays scoped to this model.

Cache key/models/anthropic--claude-sonnet-4-0
Cache-Controlpublic, max-age=300, stale-while-revalidate=3600
Cache-Tagcatalogmodel:anthropic--claude-sonnet-4-0

Workers Cache derives the key from this path/query, plus the Worker entrypoint and current Worker version.

export const Route = createFileRoute('/models/$modelSlug')({
  headers: () => ({
    'Cache-Control': 'public, max-age=300, stale-while-revalidate=3600',
    'Cache-Tag': 'catalog,model:anthropic--claude-sonnet-4-0',
  }),
})

Invalidate this cache tag

await ctx.cache.purge({ tags: ['model:anthropic--claude-sonnet-4-0'] })

Use this when one model changes and you do not want to evict the whole catalog.

Claude SonnetReasoningTool callingAttachmentsTemperature control
Released
May 22, 2025
Last updated
May 22, 2025
Context window
200K tokens
Max output
64K tokens
Open weights
No
Family
Claude Sonnet

Starts at

Quote

per 1M input tokens

Output

Quote

Sellers

0

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Capabilities & modalities
Reasoning
Tool calling
Structured output
Attachments
InputText, Image, Pdf
OutputText
Provider shelf
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