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Claude 2.1 vs GPT-3.5

Anthropic Claude 2.1 vs OpenAI GPT-3.5 — side-by-side specs.

Anthropic
Claude 2.1
OpenAI
GPT-3.5
Overview
CompanyAnthropicOpenAI
Release dateNov 21 2023Nov 30 2022
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapGPT-3.5 shipped 356 days before Claude 2.1

Which is better: Claude 2.1 or GPT-3.5?

Claude 2.1 and GPT-3.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. GPT-3.5 shipped 356 days before Claude 2.1, 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 2.1 released?
Claude 2.1 was released by Anthropic on Nov 21 2023.
When was GPT-3.5 released?
GPT-3.5 was released by OpenAI on Nov 30 2022.

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