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Claude Instant 1.2 vs DeepSeek V3 Chat

Anthropic Claude Instant 1.2 vs DeepSeek DeepSeek V3 Chat — side-by-side specs.

Anthropic
Claude Instant 1.2
DeepSeek
DeepSeek V3 Chat
Overview
CompanyAnthropicDeepSeek
Release dateAug 9 2023Dec 2024
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapClaude Instant 1.2 shipped 480 days before DeepSeek V3 Chat

Which is better: Claude Instant 1.2 or DeepSeek V3 Chat?

Claude Instant 1.2 and DeepSeek V3 Chat do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Claude Instant 1.2 shipped 480 days before DeepSeek V3 Chat, so benchmark comparisons should account for the intervening progress.

DeepSeek V3 Chat is an open-source / open-weight model; Claude Instant 1.2 is proprietary.

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 Instant 1.2 released?
Claude Instant 1.2 was released by Anthropic on Aug 9 2023.
When was DeepSeek V3 Chat released?
DeepSeek V3 Chat was released by DeepSeek on Dec 2024.
Is Claude Instant 1.2 or DeepSeek V3 Chat open source?
DeepSeek V3 Chat is an open-source / open-weight model released by DeepSeek. Claude Instant 1.2 is a proprietary model released by Anthropic.

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