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anthropic/claude-opus-4-8

Claude Opus 4.8

Top Claude Opus tier for the hardest reasoning, coding, and long-horizon agents

This model's cache

This model page returns the exact headers below. The page and /api/models/anthropic--claude-opus-4-8 share the model:anthropic--claude-opus-4-8 tag, so invalidation stays scoped to this model.

Cache key/models/anthropic--claude-opus-4-8
Cache-Controlpublic, max-age=300, stale-while-revalidate=3600
Cache-Tagcatalogmodel:anthropic--claude-opus-4-8

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-opus-4-8',
  }),
})

Invalidate this cache tag

await ctx.cache.purge({ tags: ['model:anthropic--claude-opus-4-8'] })

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

Claude OpusReasoningTool callingAttachments
Released
May 28, 2026
Last updated
May 28, 2026
Context window
1M tokens
Max output
128K tokens
Open weights
No
Family
Claude Opus

Starts at

$5

per 1M input tokens

Output

$25

Sellers

9

No cart or checkout in this MVP — pick a provider below and open their docs when you're ready to use it.

Capabilities & modalities
Reasoning
Tool calling
Structured output
Attachments
InputText, Image, Pdf
OutputText
Provider shelf
Where to get Claude Opus 4.8

Sorted by lowest input price

ProviderInput / 1MOutput / 1MContext

Merge Gateway

anthropic/claude-opus-4-8

$5$251MDocs

Cloudflare AI Gateway

anthropic/claude-opus-4-8

$5$251MDocs

Anthropic

claude-opus-4-8

$5$251MDocs

Amazon Bedrock

global.anthropic.claude-opus-4-8

$5$251MDocs

Amazon Bedrock

us.anthropic.claude-opus-4-8

$5$251MDocs

Amazon Bedrock

au.anthropic.claude-opus-4-8

$5$251MDocs

Amazon Bedrock

jp.anthropic.claude-opus-4-8

$5$251MDocs

Amazon Bedrock

anthropic.claude-opus-4-8

$5$251MDocs

Amazon Bedrock

eu.anthropic.claude-opus-4-8

$5.5$27.51MDocs
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