Unverified50% confidenceReleaseExact time

DeepSeek Harness released Alpha 3 on August 31, containing 9 changes, all focused on refinement and cleanup.

1

Sources

50%

Confidence

Medium-term (~90 days)

Relevance

9/12/2026

First Seen

Valid until: 12/11/2026

Sources

DeepSeek's Open-Source Agent Framework Drops Two Versions in Two Days — Sub-Agent Communication Goes from One-Way Reporting to Two-Way Dialogue

Related Entities

DeepSeek Harnessproduct Alpha 3product

Related Claims

UnverifiedDeepSeek simultaneously updated DeepSeek Harness V0.1.5, with dedicated training and optimization targeting Harness's standard PTC minimal three modes.68% similar VerifiedThe DeepSeek Harness team announced the addition of official multimodal support; users can update to V0.1.1 RC.1 to experience the new feature67% similar UnverifiedDeepSeek Harness is currently immature and has quite a few bugs and glitches, including in its built-in tool calls and plugins63% similar VerifiedDeepSeek released the Harness engine on August 13.63% similar

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