Workers Cache Demo

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Rendered from D1 model snapshot · D1 read 96msCache check: checking

google/gemma-4-E2B-it

Open weights

Gemma 4 E2B IT

Open Gemma instruction model for efficient chat and self-hosted deployments

This model's cache

This model page returns the exact headers below. The page and /api/models/google--gemma-4-E2B-it share the model:google--gemma-4-E2B-it tag, so invalidation stays scoped to this model.

Cache key/models/google--gemma-4-E2B-it

Cache-Controlpublic, max-age=300, stale-while-revalidate=3600

Cache-Tagcatalogmodel:google--gemma-4-E2B-it

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:google--gemma-4-E2B-it',
  }),
})

Invalidate this cache tag

await ctx.cache.purge({ tags: ['model:google--gemma-4-E2B-it'] })

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

GemmaReasoningTool callingStructured outputAttachmentsTemperature control

Released: Apr 2, 2026
Last updated: Apr 2, 2026
Context window: 131.1K tokens
Max output: 8.2K tokens
Open weights: Yes
Family: Gemma

Starts at

Quote

per 1M input tokens

Output

Quote

Sellers

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Capabilities & modalities

Reasoning

Tool calling

Structured output

Attachments

InputText, Image, Audio

OutputText

Provider shelf

Where to get Gemma 4 E2B IT

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