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vLLM Semantic Router Releases d3-ultra: A 27B Open Multimodal Decision Model

vLLM Semantic Router launches d3-ultra, a 27B open-weight multimodal decision model processing text, images, and video, scoring 87.2 on SR-Text.

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27 Oct 2026Source: MarkTechPost2 min read (0 views)
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vLLM Semantic Router Releases d3-ultra: A 27B Open Multimodal Decision Model

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  • vLLM Semantic Router launched d3-ultra, a 27B open-weight model
  • Processes text, images, and video simultaneously in a single pass
  • Returns probabilities for every possible answer generated
  • Achieved a score of 87.2 on the team's SR-Text test

The artificial intelligence community has a new contender with the release of d3-ultra by vLLM Semantic Router. This newly introduced open-weight multimodal decision model packs 27 billion parameters, engineered to elevate the standard for processing heterogeneous data types efficiently and accurately.

A standout characteristic of the d3-ultra model is its capability to ingest text, images, and video simultaneously in a single reading pass. This unified approach eliminates the latency and pipeline complexity typically associated with legacy architectures that require separate processing stages for different media modalities.

27BParameters
87.2SR-Text Score

When it comes to output generation, d3-ultra delivers probabilities for every potential answer rather than a single deterministic guess, empowering downstream systems to make more nuanced and informed decisions. Furthermore, the model secured an impressive score of 87.2 on the development team's internal SR-Text test.

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Stock photo for illustration only, not from the actual event

The introduction of d3-ultra highlights the rapid momentum within the open-source AI ecosystem to bridge the gap between text-based reasoning and rich perceptual inputs. Models capable of native multimodal processing in a single pass are critical for advanced real-time applications such as autonomous navigation, interactive video analysis, and sophisticated AI agents that require instantaneous multi-sensory comprehension.

Source: MarkTechPost

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