{"schema_version":"onlylabs.public_signal.v1","title":"Baseten Writing: Nvidia Nemotron 3 Ultra And Langchain Deep Agents On Baseten","description":"Baseten writing signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/4be5c2c6-ddb5-42e0-bd73-cc8979dcac79","json_url":"https://onlylabs.fyi/signals/4be5c2c6-ddb5-42e0-bd73-cc8979dcac79/signal.json","generated_at":"2026-07-26T20:34:41.716Z","evidence_latest_fetched_at":"2026-07-08T16:02:15.737108+00:00","signal_first_seen_at":"2026-07-08T16:00:53.083539+00:00","org":{"slug":"baseten","name":"Baseten","category":"neocloud","category_label":"Neocloud","dossier_url":"https://onlylabs.fyi/labs/baseten","dossier_json_url":"https://onlylabs.fyi/labs/baseten/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/4be5c2c6-ddb5-42e0-bd73-cc8979dcac79","signal_json":"https://onlylabs.fyi/signals/4be5c2c6-ddb5-42e0-bd73-cc8979dcac79/signal.json","source":"https://www.baseten.co/blog/nvidia-nemotron-3-ultra-and-langchain-deep-agents-on-baseten/","lab_dossier":"https://onlylabs.fyi/labs/baseten","lab_dossier_json":"https://onlylabs.fyi/labs/baseten/dossier.json","analysis":"https://onlylabs.fyi/analysis/baseten","analysis_json":"https://onlylabs.fyi/analysis/baseten/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/baseten/evidence.json","category":"https://onlylabs.fyi/neoclouds","category_json":"https://onlylabs.fyi/neoclouds.json","category_feed":"https://onlylabs.fyi/neoclouds/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json?category=neocloud","topic":"https://onlylabs.fyi/topics/talking","topic_signals_json":"https://onlylabs.fyi/topics/talking/signals.json?category=neocloud","topic_feed":"https://onlylabs.fyi/topics/talking/feed.xml?category=neocloud","data_business":null},"answer_pack":{"answer":"Baseten published Nvidia Nemotron 3 Ultra And Langchain Deep Agents On Baseten. 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Learn more AI engineering Building with NVIDIA Nemotron 3 Ultra and LangChain Deep Agents Code on Baseten Build frontier AI agents with NVIDIA Nemotron 3 Ultra and LangChain Deep Agents on Baseten—top open-model agent accuracy at ~10× lower cost. Authors Philip Kiely Last updated July 8, 2026 Share As harnesses have become more load-bearing within AI applications, model-harness co-development increasingly drives capabilities beyond a model’s original baseline. For application developers who develop and own both the model and the harness, this cycle of improvement has been apparent for some time. But developers building on open models and third-party harnesses have not enjoyed that same access. This changed with LangChain Deep Agents harness profiles . These model-specific profiles encode changes to prompts, tool descriptions, middleware, and subagents to match harness behavior to the quirks of the model. Today, the LangChain team is releasing a tuned Deep Agents harness profile for NVIDIA Nemotron 3 Ultra. 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