Claude Instant 1.2

anthropic

Anthropic's final and best Instant model, designed for high-throughput tasks. Claude Instant 1.2 offered 100K context with quick response times for simple 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

High-throughput production classification

Fast summarization and extraction

Cost-sensitive real-time text processing

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