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Claude Instant 1.2 vs DeepSeek V2.5 (Revised)

Anthropic Claude Instant 1.2 vs DeepSeek DeepSeek V2.5 (Revised) — side-by-side specs.

Anthropic
Claude Instant 1.2
DeepSeek
DeepSeek V2.5 (Revised)
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 V2.5 (Revised)

Which is better: Claude Instant 1.2 or DeepSeek V2.5 (Revised)?

Claude Instant 1.2 and DeepSeek V2.5 (Revised) 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 V2.5 (Revised), so benchmark comparisons should account for the intervening progress.

DeepSeek V2.5 (Revised) 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 V2.5 (Revised) released?
DeepSeek V2.5 (Revised) was released by DeepSeek on Dec 2024.
Is Claude Instant 1.2 or DeepSeek V2.5 (Revised) open source?
DeepSeek V2.5 (Revised) 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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