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AnthropicReleased November 21, 2023

Claude 2.1

Anthropic · Released November 21, 2023

Intelligence score

4

At a glance

Intelligence
4
Speed
—
Latency
—
Input price
Not published
Output price
Not published
Context window
200Ktokens
Parameters
—

Summary

Comparison summary

Claude 2.1 scores 4 (estimated) on the Artificial Analysis Intelligence Index, placing it at the lower end among other non-reasoning models in a similar price tier (median: 8).

Specifications

Technical specifications

Model nameClaude 2.1
ProviderAnthropic
Release dateNovember 21, 2023
Intelligence score4
Speed—
Latency (TTFT)—
Input priceNot published
Output priceNot published
Context window200,000 tokens
Parameters—
ReasoningNo
Input modalitiestext
Output modalities—
Open weightsNo
License—
API availability—
SourceModel Intelligence legacy profile: claude-21

FAQ · 15

Frequently asked questions

Claude 2.1 was released on November 21, 2023.

Claude 2.1 was created by Anthropic.

Claude 2.1 scores 4 (estimated) on the Artificial Analysis Intelligence Index, placing it at the lower end among other non-reasoning models in a similar price tier (median: 8).

No, Claude 2.1 is not a reasoning model. It provides direct responses without extended chain-of-thought reasoning.

Claude 2.1 supports text only input.

Claude 2.1 supports text only output.

No, Claude 2.1 does not support image input. It can only process text.

No, Claude 2.1 is not multimodal. It only supports text only input.

Claude 2.1 has a context window of 200k tokens. This determines how much text and conversation history the model can process in a single request.

No, Claude 2.1 is proprietary. The model weights are not publicly available.

Claude 2.1 is a proprietary model and Anthropic has not disclosed the model size or parameter count.

Claude 2.1 achieves a score of 4 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.

Claude 2.1 has a knowledge cutoff of January 2023. The model's training data includes information up to this date.

Check the providers page for current API availability.

Visit the providers page to see availability.