AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Home/Compare/Claude Sonnet 4.6 vs DeepSeek Coder V2

Claude Sonnet 4.6 vs DeepSeek Coder V2

2 vs 0 benchmarks won

Anthropic
Claude Sonnet 4.6
DeepSeek
DeepSeek Coder V2
Overview
CompanyAnthropicDeepSeek
Release dateFeb 17 2026Jun 2024
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
89.9%
Software engineering
SWE-Bench Verified
79.6%
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek Coder V2 shipped 626 days before Claude Sonnet 4.6

Which is better: Claude Sonnet 4.6 or DeepSeek Coder V2?

Claude Sonnet 4.6 leads DeepSeek Coder V2 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek Coder V2 shipped 626 days before Claude Sonnet 4.6, so benchmark comparisons should account for the intervening progress.

DeepSeek Coder V2 is an open-source / open-weight model; Claude Sonnet 4.6 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 Sonnet 4.6 released?
Claude Sonnet 4.6 was released by Anthropic on Feb 17 2026.
When was DeepSeek Coder V2 released?
DeepSeek Coder V2 was released by DeepSeek on Jun 2024.
Is Claude Sonnet 4.6 or DeepSeek Coder V2 open source?
DeepSeek Coder V2 is an open-source / open-weight model released by DeepSeek. Claude Sonnet 4.6 is a proprietary model released by Anthropic.

Other comparisons