{"schema_version":"onlylabs.public_signal.v1","title":"NVIDIA Model: nvidia/C-RADIOv4-1D-H","description":"NVIDIA model signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/70cb3eb5-3790-4a40-b439-572a54668991","json_url":"https://onlylabs.fyi/signals/70cb3eb5-3790-4a40-b439-572a54668991/signal.json","generated_at":"2026-07-26T23:44:18.955Z","evidence_latest_fetched_at":"2026-07-02T07:20:20.558445+00:00","signal_first_seen_at":"2026-07-02T07:20:08.605971+00:00","org":{"slug":"nvidia","name":"NVIDIA","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/nvidia","dossier_json_url":"https://onlylabs.fyi/labs/nvidia/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/70cb3eb5-3790-4a40-b439-572a54668991","signal_json":"https://onlylabs.fyi/signals/70cb3eb5-3790-4a40-b439-572a54668991/signal.json","source":"https://huggingface.co/nvidia/C-RADIOv4-1D-H","lab_dossier":"https://onlylabs.fyi/labs/nvidia","lab_dossier_json":"https://onlylabs.fyi/labs/nvidia/dossier.json","analysis":"https://onlylabs.fyi/analysis/nvidia","analysis_json":"https://onlylabs.fyi/analysis/nvidia/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/nvidia/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":"https://onlylabs.fyi/topics/releases","topic_signals_json":"https://onlylabs.fyi/topics/releases/signals.json","topic_feed":"https://onlylabs.fyi/topics/releases/feed.xml","data_business":null},"answer_pack":{"answer":"NVIDIA published nvidia/C-RADIOv4-1D-H. 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Unlike standard Vision Transformers that produce a fixed 2D grid of patch features, RADIO1D compresses an input image into a compact, **variable-length 1D sequence of tokens**. The number of output tokens (from 1 up to 256) can be selected by the user at inference time, providing a continuous accuracy/efficiency trade-off. For example, an image can be summarized into a single token for retrieval, or expanded to 256 tokens for fine-grained tasks such as OCR. RADIO1D was produced by fine-tuning [C-RADIOv4-H](https://huggingface.co/nvidia/C-RADIOv4-H) using multi-teacher agglomerative distillation from: * [SigLIP2-g](https://huggingface.co/google/siglip2-giant-opt-patch16-384) * [DINOv3-7B](https://huggingface.co/facebook/dinov3-vit7b16-pretrain-lvd1689m) * [SAM3](https://huggingface.co/facebook/sam3) The encoder integrates a learnable Patch Merging block (4× sequence-length reduction, 2× channel expansion) part-way through the network for efficiency, and a lightweight Vision Transformer decoder is used only during training to project the 1D tokens back into a 2D-compatible grid for teacher alignment. 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