{"schema_version":"onlylabs.public_signal.v1","title":"Upstage (Solar) Writing: Solar Pro 2 Preview Introduction","description":"Upstage (Solar) writing signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/69eef2e6-8cdc-4427-bc89-7add1fda0006","json_url":"https://onlylabs.fyi/signals/69eef2e6-8cdc-4427-bc89-7add1fda0006/signal.json","generated_at":"2026-09-09T20:38:23.129Z","evidence_latest_fetched_at":"2026-08-20T08:02:15.348487+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/69eef2e6-8cdc-4427-bc89-7add1fda0006","signal_json":"https://onlylabs.fyi/signals/69eef2e6-8cdc-4427-bc89-7add1fda0006/signal.json","source":"https://www.upstage.ai/blog/ko/solar-pro-2-preview-introduction","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 Pro 2 Preview Introduction. 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Upstage는 엔터프라이즈 고객이 원하는 ‘우수한 처리 성능과 비용 효율성’ 사이의 균형 을 늘 고민해왔습니다. 적은 자원으로 더 강력한 AI를 구현하겠다는 이 철학은, Solar Mini와 Solar Pro를 거쳐, 이제 Solar Pro 2 Preview로 이어졌습니다. 오늘 공개된 Solar Pro 2 Preview는 지금까지의 Solar 시리즈 중 가장 뛰어난 성능을 갖춘 최신 모델입니다. 컴팩트한 설계는 유지하면서도, 복잡한 질문을 스스로 사고하고 해결하는 고도화된 추론(Reasoning) 기능이 새롭게 탑재되었습니다. ‍ 작지만 강력한 성능 : 31B 규모의 경량 모델이지만, 70B급 대형 모델에 필적하는 성능을 구현합니다. 다국어에 강한 언어 이해력 : 영어, 일본어는 물론, 특히 한국어에서 뛰어난 이해력과 응답 품질을 보여줍니다. 하이브리드 모드 지원 : 빠른 대화형 응답이 필요한 경우엔 Chat Mode , 복잡한 문제 해결이나 사고 과정이 필요한 작업에는 Reasoning Mode 로 손쉽게 전환할 수 있습니다. ‍ 작지만 강하다 – 31B 모델로 72B 성능을 뛰어넘다 Solar Pro 2 Preview는 더 작고 효율적인 31B 모델이지만, Llama 3.3 70B, Qwen2-72B와 같은 대형 모델과 동등한 수준의 성능을 구현합니다. 최적화된 설계와 정밀한 사전 학습을 통해 운영 비용은 낮추면서도, 더 빠른 응답 속도와 정확한 이해력 등 실제 사용 환경에서 체감할 수 있는 성능을 강화했습니다. 영어, 한국어, 일본어 등 주요 언어에서의 성능은 일반 대화부터 복잡한 추론(Reasoning) 작업까지 포함한 벤치마크 비교표에서 직접 확인하실 수 있습니다. 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