Claude Instant 1.0

Anthropic

Anthropic's first fast and affordable model. Claude Instant 1.0 offered quick response times for simple tasks with a 9K context window. This model has been retired and is no longer available for use.

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Technical Specifications

Context Window

9,000 tokens

Max Output

4,096 tokens

Pricing

Token Costs (per 1M tokens)

Cache Miss Input

$0.80

Non-Reasoning Output

$2.40

Retired

Made legacy on

Reason

Retired model

Recommended Replacement

Claude Haiku 4.5

Retired on