Anthropic
Anthropic
FrontierRETIRED

Claude 2.1

Legacy

Pre-Claude-3 generation, retired in 2024. Listed for historical pricing reference only.

Claude 2.1 is a frontier AI model from Anthropic. It costs $8.000 per million input tokens and $24.000 per million output tokens (blended $12.800/M), with a 200,000-token context window.

INPUT
$8.000/M
per million input tokens
OUTPUT
$24.000/M
per million output tokens
BLENDED 70/30
$12.800/M
unchanged since 3 May
CONTEXT
200,000
tokens

Benchmarks

No published benchmark scores tracked for this model yet. Frontier and reasoning models from major providers have scores; smaller models and inference-host variants typically inherit the underlying open-weights score.

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Frequently asked questions

How much does Claude 2.1 cost?

Claude 2.1 costs $8.000 per million input tokens and $24.000 per million output tokens, for a blended reference rate of $12.800 per million tokens.

What is Claude 2.1's context window?

Claude 2.1 supports up to 200,000 tokens of context in a single request.

What is Claude 2.1 best for?

Pre-Claude-3 generation, retired in 2024. Listed for historical pricing reference only.

Who makes Claude 2.1?

Claude 2.1 is developed and served by Anthropic.

Terms used on this page