Claude Instant 1.1

anthropic

An improved version of Claude Instant with expanded 100K context window. Claude Instant 1.1 offered faster response times for classification, summarization, and text generation tasks. This model has been retired and is no longer available for use.

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Example Use Cases

Fast summarization of long documents

High-volume text classification

Budget-friendly quick responses

Technical Specifications

Context Window

100,000 tokens

Max Output

4,096 tokens

Cache Miss Cost

$0.80 per 1M tokens

Non-Reasoning Cost

$2.40 per 1M tokens

Web Search Cost

$15 per 1K calls

Code Execution Cost

$0.19 per 1K calls

⚠️ Legacy

Made legacy on

Reason

Retired model

Recommended Replacement

Claude Haiku 4.5