{"schema_version":"onlylabs.public_signal.v1","title":"Mistral AI Model: mistralai/Mistral-Medium-3.5-128B","description":"Mistral AI model signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/c1ffa5c4-6931-43ef-ba30-6128b447db79","json_url":"https://onlylabs.fyi/signals/c1ffa5c4-6931-43ef-ba30-6128b447db79/signal.json","generated_at":"2026-06-11T02:41:03.26932+00:00","org":{"slug":"mistral","name":"Mistral AI","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/mistral","dossier_json_url":"https://onlylabs.fyi/labs/mistral/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/c1ffa5c4-6931-43ef-ba30-6128b447db79","signal_json":"https://onlylabs.fyi/signals/c1ffa5c4-6931-43ef-ba30-6128b447db79/signal.json","source":"https://huggingface.co/mistralai/Mistral-Medium-3.5-128B","lab_dossier":"https://onlylabs.fyi/labs/mistral","lab_dossier_json":"https://onlylabs.fyi/labs/mistral/dossier.json","analysis":"https://onlylabs.fyi/analysis/mistral","analysis_json":"https://onlylabs.fyi/analysis/mistral/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/mistral/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":"Mistral AI published mistralai/Mistral-Medium-3.5-128B. 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It is a dense 128B model with a 256k context window, handling instruction-following, reasoning, and coding in a single set of weights. Mistral Medium 3.5 replaces its predecessor Mistral Medium 3.1 and Magistral in Le Chat. It also replaces Devstral 2 in our coding agent Vibe. Concretely, expect better performance for instruct, reasoning and coding tasks in a new unified model in comparison with our previous released models. Reasoning effort is configurable per request, so the same model can answer a quick chat reply or work through a complex agentic run. We trained the vision encoder from scratch to handle variable image sizes and aspect ratios. Find more information on our [blog](https://mistral.ai/news/vibe-remote-agents-mistral-medium-3-5). > [!Note] > To speed up local inference using vLLM or SGLang, check out our released [EAGLE model](https://huggingface.co/mistralai/Mistral-Medium-3.5-128B-EAGLE). > [!Warning] > The Transformers..."},"evidence_pages":[{"url":"https://huggingface.co/mistralai/Mistral-Medium-3.5-128B/raw/main/README.md","final_url":"https://huggingface.co/mistralai/Mistral-Medium-3.5-128B/raw/main/README.md","title":"mistralai/Mistral-Medium-3.5-128B model card","http_status":200,"content_type":"text/plain; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T02:41:03.26932+00:00","bytes":21872,"raw_path":"7b70504b10b65f87b20384831a3a9f1c8e66c9db304768063605f54c4e436805.md","content_hash":"6d14ac4dba5a4c8b3d652ea67742ee1b41e424772194b8088cd62603d5032465","excerpt_chars":1200,"truncated":true,"excerpt":"--- license: other language: - en - fr - de - es - pt - it - ja - ko - ru - zh - ar - fa - id - ms - ne - pl - ro - sr - sv - tr - uk - vi - hi - bn tags: - vLLM --- Mistral Medium 3.5 128B Mistral Medium 3.5 is our first flagship merged model. 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