{"schema_version":"onlylabs.public_signal.v1","title":"Nous Research Model: NousResearch/Hermes-4-405B","description":"Nous Research model signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/f4d1958c-ccfa-40b4-86b9-63dc435c412a","json_url":"https://onlylabs.fyi/signals/f4d1958c-ccfa-40b4-86b9-63dc435c412a/signal.json","generated_at":"2026-06-11T02:50:37.964383+00:00","org":{"slug":"nous","name":"Nous Research","category":"neolab","category_label":"Neolab","dossier_url":"https://onlylabs.fyi/labs/nous","dossier_json_url":"https://onlylabs.fyi/labs/nous/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/f4d1958c-ccfa-40b4-86b9-63dc435c412a","signal_json":"https://onlylabs.fyi/signals/f4d1958c-ccfa-40b4-86b9-63dc435c412a/signal.json","source":"https://huggingface.co/NousResearch/Hermes-4-405B","lab_dossier":"https://onlylabs.fyi/labs/nous","lab_dossier_json":"https://onlylabs.fyi/labs/nous/dossier.json","analysis":"https://onlylabs.fyi/analysis/nous","analysis_json":"https://onlylabs.fyi/analysis/nous/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/nous/evidence.json","category":"https://onlylabs.fyi/neolabs","category_json":"https://onlylabs.fyi/neolabs.json","category_feed":"https://onlylabs.fyi/neolabs/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json?category=neolab","topic":"https://onlylabs.fyi/topics/releases","topic_signals_json":"https://onlylabs.fyi/topics/releases/signals.json?category=neolab","topic_feed":"https://onlylabs.fyi/topics/releases/feed.xml?category=neolab","data_business":null},"answer_pack":{"answer":"Nous Research published NousResearch/Hermes-4-405B. 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Prefer concise, correct answers. - role: user content: >- Explain the difference between BFS and DFS to a new CS student. model-index: - name: Hermes-4-Llama-3.1-405B results: [] --- Hermes 4 — Llama-3.1 405B ![image/jpeg](https://cdn-uploads.huggingface.co/production/uploads/6317aade83d8d2fd903192d9/roT9o5bMYBtQziRMlaSDf.jpeg) Model Description Hermes 4 405B is a frontier, hybrid-mode **reasoning** model based on Llama-3.1-405B by Nous Research that is aligned to **you**. Read the Hermes 4 technical report here: <a href=\"https://arxiv.org/abs/2508.18255\">Hermes 4 Technical Report</a> Chat with Hermes in Nous Chat: https://chat.nousresearch.com Training highlights include a newly synthesized post-training corpus emphasizing verified reasoning traces, massive..."},"evidence_pages":[{"url":"https://huggingface.co/NousResearch/Hermes-4-405B/raw/main/README.md","final_url":"https://huggingface.co/NousResearch/Hermes-4-405B/raw/main/README.md","title":"NousResearch/Hermes-4-405B model card","http_status":200,"content_type":"text/plain; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T02:50:37.964383+00:00","bytes":9247,"raw_path":"a90ca70a0258340d19920c390aa81cf8bfb3210ed8566734d0416d2c871ca633.md","content_hash":"de4d75142fd245fcdec878c470ffda11a6431da634db285207a35bafdb52194c","excerpt_chars":1200,"truncated":true,"excerpt":"--- language: - en license: llama3 tags: - Llama-3.1 - instruct - finetune - reasoning - hybrid-mode - chatml - function calling - tool use - json mode - structured outputs - atropos - dataforge - long context - roleplaying - chat base_model: meta-llama/Meta-Llama-3.1-405B library_name: transformers widget: - example_title: Hermes 4 messages: - role: system content: >- You are Hermes 4, a capable, neutrally-aligned assistant. Prefer concise, correct answers. - role: user content: >- Explain the difference between BFS and DFS to a new CS student. model-index: - name: Hermes-4-Llama-3.1-405B results: [] --- Hermes 4 — Llama-3.1 405B ![image/jpeg](https://cdn-uploads.huggingface.co/production/uploads/6317aade83d8d2fd903192d9/roT9o5bMYBtQziRMlaSDf.jpeg) Model Description Hermes 4 405B is a frontier, hybrid-mode **reasoning** model based on Llama-3.1-405B by Nous Research that is aligned to **you**. Read the Hermes 4 technical report here: <a href=\"https://arxiv.org/abs/2508.18255\">Hermes 4 Technical Report</a> Chat with Hermes in Nous Chat: https://chat.nousresearch.com Training highlights include a newly synthesized post-training corpus emphasizing verified reasoning traces, massive..."}],"related_signals":[{"id":"248fb787-293d-48cd-a62a-cb7087c8c95b","url":"https://onlylabs.fyi/signals/248fb787-293d-48cd-a62a-cb7087c8c95b","source_url":"https://huggingface.co/NousResearch/moe-10b-a1b-8k-wsd-lr3e4-1t","title":"NousResearch/moe-10b-a1b-8k-wsd-lr3e4-1t","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"nous","name":"Nous Research","category":"neolab"},"occurred_at":"2026-03-06T21:15:44+00:00","first_seen_at":"2026-06-06T01:49:34.68462+00:00","date_source":"source"},{"id":"ec747bba-2966-4fc4-83f7-f0e193f71d4f","url":"https://onlylabs.fyi/signals/ec747bba-2966-4fc4-83f7-f0e193f71d4f","source_url":"https://huggingface.co/NousResearch/Kimi-K2-Thinking-Alternate-Tokenizer","title":"NousResearch/Kimi-K2-Thinking-Alternate-Tokenizer","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"nous","name":"Nous Research","category":"neolab"},"occurred_at":"2026-01-15T20:00:44+00:00","first_seen_at":"2026-06-06T01:49:34.68462+00:00","date_source":"source"},{"id":"b211e465-3c5d-4816-96bf-7047473270bf","url":"https://onlylabs.fyi/signals/b211e465-3c5d-4816-96bf-7047473270bf","source_url":"https://huggingface.co/NousResearch/NousCoder-14B","title":"NousResearch/NousCoder-14B","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"nous","name":"Nous Research","category":"neolab"},"occurred_at":"2025-12-23T07:44:59+00:00","first_seen_at":"2026-06-06T01:49:34.68462+00:00","date_source":"source"},{"id":"bd79802c-c731-43a8-980f-870c11e77e99","url":"https://onlylabs.fyi/signals/bd79802c-c731-43a8-980f-870c11e77e99","source_url":"https://huggingface.co/NousResearch/nomos-1","title":"NousResearch/nomos-1","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"nous","name":"Nous Research","category":"neolab"},"occurred_at":"2025-12-07T04:00:59+00:00","first_seen_at":"2026-06-06T01:49:34.68462+00:00","date_source":"source"},{"id":"fb53e2a4-9276-4485-bac6-11faf29ed343","url":"https://onlylabs.fyi/signals/fb53e2a4-9276-4485-bac6-11faf29ed343","source_url":"https://huggingface.co/NousResearch/Hermes-4.3-36B","title":"NousResearch/Hermes-4.3-36B","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"nous","name":"Nous Research","category":"neolab"},"occurred_at":"2025-11-17T19:48:42+00:00","first_seen_at":"2026-06-06T01:49:34.68462+00:00","date_source":"source"},{"id":"1c7c5a77-0bc8-40f3-8f9e-6f87824be376","url":"https://onlylabs.fyi/signals/1c7c5a77-0bc8-40f3-8f9e-6f87824be376","source_url":"https://huggingface.co/NousResearch/Hermes-4.3-36B-centralized","title":"NousResearch/Hermes-4.3-36B-centralized","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"nous","name":"Nous Research","category":"neolab"},"occurred_at":"2025-10-28T03:15:26+00:00","first_seen_at":"2026-06-06T01:49:34.68462+00:00","date_source":"source"}]}