Verified70% confidenceReleaseExact time
DeepSeek released the Harness engine on August 13.
4
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
8/22/2026
First Seen
Valid until: 11/20/2026
Sources
Related Entities
Related Claims
UnverifiedDeepSeek Harness (abbreviated DH) was open-sourced and released on August 13.79% similarVerifiedDeepSeek open-sourced the agent framework Harness under the MIT license on August 13.72% similarVerifiedDeepSeek officially launched DeepSeek Harness (abbreviated as DSH) following the release of the DeepSeek V4 Pro model.69% similarVerifiedDeepSeek has launched an Agent product called Harness.69% similarUnverifiedDeepSeek Harness has open-sourced its entire agent engine, while similar core capabilities from vendors such as Anthropic remain locked inside paid products.69% similar
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