{"schema_version":"onlylabs.public_signal.v1","title":"Upstage (Solar) Writing: Solar Open 2","description":"Upstage (Solar) writing signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/5f45ff9a-a686-4b5d-a931-9c87af544149","json_url":"https://onlylabs.fyi/signals/5f45ff9a-a686-4b5d-a931-9c87af544149/signal.json","generated_at":"2026-08-28T18:38:44.424Z","evidence_latest_fetched_at":"2026-08-20T08:02:13.274264+00:00","signal_first_seen_at":"2026-08-20T08:00:51.452146+00:00","org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab","category_label":"Neolab","dossier_url":"https://onlylabs.fyi/labs/upstage","dossier_json_url":"https://onlylabs.fyi/labs/upstage/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/5f45ff9a-a686-4b5d-a931-9c87af544149","signal_json":"https://onlylabs.fyi/signals/5f45ff9a-a686-4b5d-a931-9c87af544149/signal.json","source":"https://www.upstage.ai/blog/ko/solar-open-2","lab_dossier":"https://onlylabs.fyi/labs/upstage","lab_dossier_json":"https://onlylabs.fyi/labs/upstage/dossier.json","analysis":"https://onlylabs.fyi/analysis/upstage","analysis_json":"https://onlylabs.fyi/analysis/upstage/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/upstage/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/talking","topic_signals_json":"https://onlylabs.fyi/topics/talking/signals.json?category=neolab","topic_feed":"https://onlylabs.fyi/topics/talking/feed.xml?category=neolab","data_business":null},"answer_pack":{"answer":"Upstage (Solar) published Solar Open 2. This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Open model release from Upstage, notable but not frontier. · Solutions Resources Company Pricing Try demo Try demo Contact us 업스테이지의 Agent 최적화 오픈 웨이트 파운데이션 모델, Solar Open 2를 공개합니다. Solar Open 2는 실제 업무 환경에서 Agent 의 기반 모델로 활용되는 것을.... onlylabs links this event to 1 captured evidence page and 6 related writing signals.","signal_desk":"talking","source_context":{"source_url":"https://www.upstage.ai/blog/ko/solar-open-2","source_host":"upstage.ai","occurred_at":"2026-08-05T05:13:13.402+00:00","first_seen_at":"2026-08-20T08:00:51.452146+00:00","date_source":"sitemap.lastmod","context":null},"context_markers":[{"label":"Lab","value":"Upstage (Solar)","source":"signal"},{"label":"Signal desk","value":"talking","source":"signal"},{"label":"Source host","value":"upstage.ai","source":"source"},{"label":"Notability","value":"Open model release from Upstage, notable but not frontier.","source":"signal"},{"label":"Watch term","value":"Eval methodology","source":"evidence"},{"label":"Watch term","value":"Model card","source":"model"},{"label":"Watch term","value":"Infrastructure","source":"evidence"},{"label":"Watch term","value":"Agents and tool use","source":"evidence"}],"evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://www.upstage.ai/blog/ko/solar-open-2"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-08-20T08:02:13.274264+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/5f45ff9a-a686-4b5d-a931-9c87af544149/signal.json","dossier_json":"https://onlylabs.fyi/labs/upstage/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/upstage/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/upstage/evidence.json","topic_signals_json":"https://onlylabs.fyi/topics/talking/signals.json?category=neolab","topic_feed":"https://onlylabs.fyi/topics/talking/feed.xml?category=neolab","category_signals_json":"https://onlylabs.fyi/signals.json?category=neolab","data_radar_json":null,"opportunities_json":null},"analysis_playbook":{"objective":"Turn public writing and discussion into a readable map of research themes, product framing, policy posture, launch narratives, and market attention.","evidence_focus":["post title","source URL","captured page text","HN traction","linked model or paper references","publication date"],"extraction_questions":["Which themes are labs choosing to explain publicly?","Which posts are attracting outside discussion?","Which writing reframes a recent release, model, hiring wave, or policy stance?","Which posts mention data, evals, infrastructure, safety, or deployment workflows?"],"signal_questions":["What public theme, launch framing, or research direction does this writing signal expose?","Which themes are labs choosing to explain publicly?","Which posts are attracting outside discussion?","Do the 6 related writing signals show a repeated pattern?"],"output_fields":["org","theme","public_framing","traction","evidence_url"],"data_business_relevance":"Data-business lane extraction is scoped to frontier labs; 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This talking signal gives public context for research themes, product direction, policy, or launch framing. High-signal details: Open model release from Upstage, notable but not frontier. · Solutions Resources Company Pricing Try demo Try demo Contact us 업스테이지의 Agent 최적화 오픈 웨이트 파운데이션 모델, Solar Open 2를 공개합니다. Solar Open 2는 실제 업무 환경에서 Agent 의 기반 모델로 활용되는 것을.... onlylabs links this event to 1 captured evidence page and 6 related writing signals.","semantic_triples":[{"subject":"Upstage (Solar)","predicate":"published","object":"Solar Open 2","text":"Upstage (Solar) published Solar Open 2."},{"subject":"Solar Open 2","predicate":"is classified as","object":"writing signal","text":"Solar Open 2 is classified as writing signal."},{"subject":"Solar Open 2","predicate":"belongs to","object":"talking desk","text":"Solar Open 2 belongs to talking desk."},{"subject":"Solar Open 2","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Solar Open 2 has evidence coverage 1 captured evidence page."}]},"signal":{"id":"5f45ff9a-a686-4b5d-a931-9c87af544149","url":"https://onlylabs.fyi/signals/5f45ff9a-a686-4b5d-a931-9c87af544149","json_url":"https://onlylabs.fyi/signals/5f45ff9a-a686-4b5d-a931-9c87af544149/signal.json","source_url":"https://www.upstage.ai/blog/ko/solar-open-2","title":"Solar Open 2","summary":"Upstage (Solar) published a writing signal. onlylabs watches public writing for research themes, product direction, and model-launch context.","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2026-08-05T05:13:13.402+00:00","first_seen_at":"2026-08-20T08:00:51.452146+00:00","date_source":"sitemap.lastmod","evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://www.upstage.ai/blog/ko/solar-open-2"]},"facets":{},"traction":{"github_stars":null,"hn_points":null,"hn_comments":null,"hn_story_id":null,"hf_downloads":null,"hf_likes":null},"data_radar":null},"primary_evidence_page":{"is_primary":true,"source_match":true,"url":"https://www.upstage.ai/blog/ko/solar-open-2","final_url":"https://www.upstage.ai/blog/ko/solar-open-2","title":"Solar Open 2","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-08-20T08:02:13.274264+00:00","bytes":135004,"raw_path":"af7b33e350934eeded24f065ba2761cd1692fdd6491a713e7c78e93828a0b8f9.html","content_hash":"c5a301ce995615d254c376841d48c9c46e57231f59e5af6446ed8e71aecb1652","excerpt_chars":1200,"truncated":true,"excerpt":"Solutions Resources Company Pricing Try demo Try demo Contact us 업스테이지의 Agent 최적화 오픈 웨이트 파운데이션 모델, Solar Open 2를 공개합니다. Solar Open 2는 실제 업무 환경에서 Agent 의 기반 모델로 활용되는 것을 목표로 설계하고 학습했습니다. 도구 호출과 코딩, 오피스 업무를 포함한 다양한 Agent 시나리오를 학습 했으며, Agent, 한국어, 지식, 코딩 벤치마크에서 글로벌 수준의 성능을 달성했습니다. 총 250B 파라미터 중 토큰당 15B 만 활성화하는 MoE 구조를 채택해 모델의 성능과 추론 효율을 함께 높였습니다. 양자화 적용 시 NVIDIA H200 2장에서 구동할 수 있어 기업이 자체 인프라에 배포하고 운영 하기에도 적합합니다. 또한 여러 단계에 걸쳐 이어지는 Agent 작업을 고려해 최대 1M 토큰의 컨텍스트를 지원하며, 한국어, 영어, 일본어를 공식 언어로 지원합니다. 모델 가중치는 HuggingFace 에 상업적으로 사용할 수 있는 라이선스로 공개합니다. 이와 동시에 상세 아키텍처부터 학습 방법론, 주요 실험과 평가 조건까지 Solar Open 2의 기술과 개발 경험을 담은 Solar Open 2 Technical Report 를 공개합니다. 핵심 요약 Agentic Use를 목표로 설계하고 학습하여 실제 업무 환경에 활용 가능한 모델 Agent, 한국어, 지식, 코딩 벤치마크에서 글로벌 수준의 성능 달성 250B total / 15B active MoE 구조로 효율적 추론 가능 1M 토큰 컨텍스트 지원 양자화 적용 시 H200 2장에서 구동 가능 한국어, 영어, 일본어 공식 지원 상업적 활용이 가능한 오픈 웨이트로 공개 Chat에서 Agent로 LLM 의 역할이 달라지고 있습니다. 지금까지 LLM 은 주로 사용자의 질문에 한 번의 답을 생성했습니다. 이제는 필요한 정보를 검색하고, 여러 문서를 읽고, 코드를 작성하고, 외부 도구를 호출해 실제 업무를 끝까지 수행하는 Agent 로 확장되고 있습니다. Agent가 처리하는 업무는 일반적인 Chat 과 성격이 다릅니다. 짧은 질문에 답하는 대신 수십 번의 추론과 도구 호출을 반복합니다. 여러 파일과 문서에 흩어진 정보를 함께 다뤄야 하고, 앞에서 수행한 작업을 기억하면서 다음 행동을 결정해야 합니다. 한 단계의 실수는 이후 작업 전체의 실패로 이어질 수..."},"evidence_pages":[],"related_signals":[{"id":"fa3a27b2-c4c7-4160-8ce0-239c50019177","url":"https://onlylabs.fyi/signals/fa3a27b2-c4c7-4160-8ce0-239c50019177","source_url":"https://www.upstage.ai/blog/en/solar-pro-4","title":"Solar Pro 4","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2026-08-28T04:26:45.753+00:00","first_seen_at":"2026-08-11T08:03:38.902635+00:00","date_source":"sitemap.lastmod"},{"id":"1b154e8b-2753-44b6-9f48-71e765a01b54","url":"https://onlylabs.fyi/signals/1b154e8b-2753-44b6-9f48-71e765a01b54","source_url":"https://www.upstage.ai/blog/ko/solar-pro-4","title":"Solar Pro 4","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2026-08-28T04:26:45.753+00:00","first_seen_at":"2026-08-20T08:00:51.452146+00:00","date_source":"sitemap.lastmod"},{"id":"c4b470a9-9408-491f-96e4-ddd9507a90b8","url":"https://onlylabs.fyi/signals/c4b470a9-9408-491f-96e4-ddd9507a90b8","source_url":"https://www.upstage.ai/blog/ja/studio-demo-insurance","title":"Studio Demo Insurance","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2026-08-24T07:11:39.585+00:00","first_seen_at":"2026-08-24T08:01:45.754922+00:00","date_source":"sitemap.lastmod"},{"id":"a71ac55b-0d1b-4d08-955a-ac5b867ec6b2","url":"https://onlylabs.fyi/signals/a71ac55b-0d1b-4d08-955a-ac5b867ec6b2","source_url":"https://www.upstage.ai/blog/ko/console-kr-sp4","title":"Console Kr Sp4","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2026-08-13T00:00:00.000Z","first_seen_at":"2026-08-20T08:00:51.452146+00:00","date_source":"page.visible_date"},{"id":"4a84fb5c-a7da-4b15-927d-59a06982fc36","url":"https://onlylabs.fyi/signals/4a84fb5c-a7da-4b15-927d-59a06982fc36","source_url":"https://www.upstage.ai/blog/ja/hokenmainichi-vol5","title":"Hokenmainichi Vol5","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2026-08-05T09:50:44.573+00:00","first_seen_at":"2026-08-20T08:00:51.452146+00:00","date_source":"sitemap.lastmod"},{"id":"31b93b05-3910-498c-951a-63c73752f448","url":"https://onlylabs.fyi/signals/31b93b05-3910-498c-951a-63c73752f448","source_url":"https://www.upstage.ai/blog/en/solar-open-2","title":"Solar Open 2","context":null,"kind":{"key":"post_published","label":"Writing"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2026-08-05T05:13:13.402+00:00","first_seen_at":"2026-07-23T04:01:46.348984+00:00","date_source":"sitemap.lastmod"}]}