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Claude 1 vs Claude 2

Anthropic Claude 1 vs Anthropic Claude 2 — side-by-side specs.

Anthropic
Claude 1
Anthropic
Claude 2
Overview
CompanyAnthropicAnthropic
Release dateMar 14 2023Jul 11 2023
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapClaude 1 shipped 119 days before Claude 2

Which is better: Claude 1 or Claude 2?

Claude 1 and Claude 2 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Claude 1 shipped 119 days before Claude 2, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Claude 1 released?
Claude 1 was released by Anthropic on Mar 14 2023.
When was Claude 2 released?
Claude 2 was released by Anthropic on Jul 11 2023.

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