{"schema_version":"onlylabs.public_signal.v1","title":"Microsoft Model: microsoft/Sentiment-Analysis-7B","description":"Microsoft model signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/3c5288c5-7c51-4bbd-b55f-aa0a46f41c6a","json_url":"https://onlylabs.fyi/signals/3c5288c5-7c51-4bbd-b55f-aa0a46f41c6a/signal.json","generated_at":"2026-10-24T20:20:50.429Z","evidence_latest_fetched_at":"2026-10-21T07:20:26.836839+00:00","signal_first_seen_at":"2026-10-21T07:20:08.588594+00:00","org":{"slug":"microsoft","name":"Microsoft","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/microsoft","dossier_json_url":"https://onlylabs.fyi/labs/microsoft/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/3c5288c5-7c51-4bbd-b55f-aa0a46f41c6a","signal_json":"https://onlylabs.fyi/signals/3c5288c5-7c51-4bbd-b55f-aa0a46f41c6a/signal.json","source":"https://huggingface.co/microsoft/Sentiment-Analysis-7B","lab_dossier":"https://onlylabs.fyi/labs/microsoft","lab_dossier_json":"https://onlylabs.fyi/labs/microsoft/dossier.json","analysis":"https://onlylabs.fyi/analysis/microsoft","analysis_json":"https://onlylabs.fyi/analysis/microsoft/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/microsoft/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":"Microsoft published microsoft/Sentiment-Analysis-7B. This model signal is evidence of what shipped on model infrastructure and how the release is positioned. High-signal details: license mit · 289 HF downloads · 7B parameter language model fine-tuned for sentiment analysis.. onlylabs links this event to 1 captured evidence page and 6 related model signals.","signal_desk":"releases","source_context":{"source_url":"https://huggingface.co/microsoft/Sentiment-Analysis-7B","source_host":"huggingface.co","occurred_at":"2026-10-17T00:51:18+00:00","first_seen_at":"2026-10-21T07:20:08.588594+00:00","date_source":"source","context":null},"context_markers":[{"label":"Lab","value":"Microsoft","source":"signal"},{"label":"Signal desk","value":"releases","source":"signal"},{"label":"Source 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evidence, analyze Microsoft's model signal \"microsoft/Sentiment-Analysis-7B\" for frontier lab strategy."},"semantic_triples":[{"subject":"Microsoft","predicate":"published model","object":"microsoft/Sentiment-Analysis-7B","text":"Microsoft published model microsoft/Sentiment-Analysis-7B."},{"subject":"microsoft/Sentiment-Analysis-7B","predicate":"is classified as","object":"model signal","text":"microsoft/Sentiment-Analysis-7B is classified as model signal."},{"subject":"microsoft/Sentiment-Analysis-7B","predicate":"belongs to","object":"releases desk","text":"microsoft/Sentiment-Analysis-7B belongs to releases desk."},{"subject":"microsoft/Sentiment-Analysis-7B","predicate":"has evidence coverage","object":"1 captured evidence page","text":"microsoft/Sentiment-Analysis-7B has evidence coverage 1 captured evidence page."},{"subject":"microsoft/Sentiment-Analysis-7B","predicate":"has captured page count","object":"1","text":"microsoft/Sentiment-Analysis-7B has captured page count 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This model signal is evidence of what shipped on model infrastructure and how the release is positioned. High-signal details: license mit · 289 HF downloads · 7B parameter language model fine-tuned for sentiment analysis.. onlylabs links this event to 1 captured evidence page and 6 related model signals.","semantic_triples":[{"subject":"Microsoft","predicate":"published model","object":"microsoft/Sentiment-Analysis-7B","text":"Microsoft published model microsoft/Sentiment-Analysis-7B."},{"subject":"microsoft/Sentiment-Analysis-7B","predicate":"is classified as","object":"model signal","text":"microsoft/Sentiment-Analysis-7B is classified as model signal."},{"subject":"microsoft/Sentiment-Analysis-7B","predicate":"belongs to","object":"releases desk","text":"microsoft/Sentiment-Analysis-7B belongs to releases desk."},{"subject":"microsoft/Sentiment-Analysis-7B","predicate":"has evidence coverage","object":"1 captured evidence page","text":"microsoft/Sentiment-Analysis-7B has evidence coverage 1 captured evidence page."}]},"signal":{"id":"3c5288c5-7c51-4bbd-b55f-aa0a46f41c6a","url":"https://onlylabs.fyi/signals/3c5288c5-7c51-4bbd-b55f-aa0a46f41c6a","json_url":"https://onlylabs.fyi/signals/3c5288c5-7c51-4bbd-b55f-aa0a46f41c6a/signal.json","source_url":"https://huggingface.co/microsoft/Sentiment-Analysis-7B","title":"microsoft/Sentiment-Analysis-7B","summary":"Microsoft published a model signal. onlylabs watches model cards, launch context, and traction.","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"microsoft","name":"Microsoft","category":"frontier-lab"},"occurred_at":"2026-10-17T00:51:18+00:00","first_seen_at":"2026-10-21T07:20:08.588594+00:00","date_source":"source","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://huggingface.co/microsoft/Sentiment-Analysis-7B/raw/main/README.md"]},"facets":{"pipeline_tag":"text-generation","license":"mit"},"traction":{"github_stars":null,"hn_points":null,"hn_comments":null,"hn_story_id":null,"hf_downloads":289,"hf_likes":21},"data_radar":null},"primary_evidence_page":{"is_primary":true,"source_match":true,"url":"https://huggingface.co/microsoft/Sentiment-Analysis-7B/raw/main/README.md","final_url":"https://huggingface.co/microsoft/Sentiment-Analysis-7B/raw/main/README.md","title":"microsoft/Sentiment-Analysis-7B model card","http_status":200,"content_type":"text/plain; charset=utf-8","capture_method":"plain","fetched_at":"2026-10-21T07:20:26.836839+00:00","bytes":3681,"raw_path":"e39b3aa76b5e63d9fbbc1f6fdd59e11f91cb1b69d02e1f739d8858ebed6fe414.md","content_hash":"fbd582f3ddeded4750aed2718f4fb96ec557ded8baa83aac00641fa7a7bea2ca","excerpt_chars":1200,"truncated":true,"excerpt":"Sentiment-Analysis-7B **Sentiment-Analysis-7B** is a 7B-parameter autoregressive language model fine-tuned for sentiment classification of user messages directed at a service, product, or agent (the \"Target\"). It is built on top of [*mistralai/Mistral-7B-Instruct-v0.2*](https://huggingface.co/mistralai/Mistral-7B-Instruct-v0.2) and was fine-tuned with reinforcement learning, using an LLM as a judge, on a small internal training set of ~300 examples. No pre-defined labels were used for training. Given a user message, the model generates a response in the following format: the **first token is the sentiment label** (`Negative`, `Neutral`, or `Positive`), followed by a short explanation of the decision. If only the label is needed, set `max_new_tokens=3`. Evaluation metrics The evaluation metric used is accuracy. The following compares the base model with the fine-tuned model. | model | accuracy | | ---------------------------------- | --------- | | mistralai/Mistral-7B-Instruct-v0.2 | 62.0% | | **Sentiment-Analysis-7B (ours)** | **72.8%** | How to use The model is a causal language model and is loaded with `AutoModelForCausalLM`. 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