{"schema_version":"onlylabs.public_signal.v1","title":"Arcee AI Model: arcee-ai/AFM-4.5B-Preview","description":"Arcee AI model signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/c7dfe681-271c-49dd-b3dc-1916fb395e66","json_url":"https://onlylabs.fyi/signals/c7dfe681-271c-49dd-b3dc-1916fb395e66/signal.json","generated_at":"2026-06-11T02:50:41.333811+00:00","org":{"slug":"arcee","name":"Arcee AI","category":"neolab","category_label":"Neolab","dossier_url":"https://onlylabs.fyi/labs/arcee","dossier_json_url":"https://onlylabs.fyi/labs/arcee/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/c7dfe681-271c-49dd-b3dc-1916fb395e66","signal_json":"https://onlylabs.fyi/signals/c7dfe681-271c-49dd-b3dc-1916fb395e66/signal.json","source":"https://huggingface.co/arcee-ai/AFM-4.5B-Preview","lab_dossier":"https://onlylabs.fyi/labs/arcee","lab_dossier_json":"https://onlylabs.fyi/labs/arcee/dossier.json","analysis":"https://onlylabs.fyi/analysis/arcee","analysis_json":"https://onlylabs.fyi/analysis/arcee/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/arcee/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":"Arcee AI published arcee-ai/AFM-4.5B-Preview. 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For the final release checkpoint optimized for retrieval, instruction following and assistant use cases please see [AFM-4.5B](https://huggingface.co/arcee-ai/AFM-4.5B) AFM-4.5B-Preview AFM-4.5B is a 4.5 billion parameter instruction-tuned model developed by Arcee.ai, designed for enterprise-grade performance across diverse deployment environments from cloud to edge. The base model was trained on a dataset of 8 trillion tokens, comprising 6.5 trillion tokens of general pretraining data followed by 1.5 trillion tokens of midtraining data with enhanced focus on mathematical reasoning and code generation. Following..."},"evidence_pages":[{"url":"https://huggingface.co/arcee-ai/AFM-4.5B-Preview/raw/main/README.md","final_url":"https://huggingface.co/arcee-ai/AFM-4.5B-Preview/raw/main/README.md","title":"arcee-ai/AFM-4.5B-Preview model card","http_status":200,"content_type":"text/plain; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T02:50:41.333811+00:00","bytes":5930,"raw_path":"a0f35cdbb63168074f8c718131e5f6afc81e74507df639660c3e0edeb9122faf.md","content_hash":"ca74e850a9295f9c30ce3f174194c4065783a0d959b779107c38ecfd31ccb151","excerpt_chars":1200,"truncated":true,"excerpt":"--- license: apache-2.0 language: - en - es - fr - de - it - pt - ru - ar - hi - ko - zh library_name: transformers new_version: arcee-ai/AFM-4.5B extra_gated_prompt: Company name is optional, please put NA if you would prefer not to share it. base_model: - arcee-ai/AFM-4.5B-Base --- <div align=\"center\"> <picture> <img src=\"https://cdn-uploads.huggingface.co/production/uploads/6435718aaaef013d1aec3b8b/Lj9YVLIKKdImV_jID0A1g.png\" width=\"25%\" alt=\"Arcee AFM 4.5B\"> </picture> </div> > These are the weights for the preview model hosted on TogetherAI between June 18th-July 28th. For the final release checkpoint optimized for retrieval, instruction following and assistant use cases please see [AFM-4.5B](https://huggingface.co/arcee-ai/AFM-4.5B) AFM-4.5B-Preview AFM-4.5B is a 4.5 billion parameter instruction-tuned model developed by Arcee.ai, designed for enterprise-grade performance across diverse deployment environments from cloud to edge. The base model was trained on a dataset of 8 trillion tokens, comprising 6.5 trillion tokens of general pretraining data followed by 1.5 trillion tokens of midtraining data with enhanced focus on mathematical reasoning and code generation. Following..."}],"related_signals":[{"id":"429af5af-ee30-4a25-874a-139c404e5dec","url":"https://onlylabs.fyi/signals/429af5af-ee30-4a25-874a-139c404e5dec","source_url":"https://huggingface.co/arcee-ai/Trinity-Large-Thinking","title":"arcee-ai/Trinity-Large-Thinking","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"arcee","name":"Arcee AI","category":"neolab"},"occurred_at":"2026-04-01T03:35:06+00:00","first_seen_at":"2026-06-06T01:50:05.756622+00:00","date_source":"source"},{"id":"b357f482-7717-4ab4-ae03-f146b4efef08","url":"https://onlylabs.fyi/signals/b357f482-7717-4ab4-ae03-f146b4efef08","source_url":"https://huggingface.co/arcee-ai/Trinity-Large-Preview","title":"arcee-ai/Trinity-Large-Preview","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"arcee","name":"Arcee AI","category":"neolab"},"occurred_at":"2026-01-27T14:52:00+00:00","first_seen_at":"2026-06-06T01:50:05.756622+00:00","date_source":"source"},{"id":"d077f164-5763-41f9-925d-f7baa485ef29","url":"https://onlylabs.fyi/signals/d077f164-5763-41f9-925d-f7baa485ef29","source_url":"https://huggingface.co/arcee-ai/Trinity-Large-Base","title":"arcee-ai/Trinity-Large-Base","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"arcee","name":"Arcee AI","category":"neolab"},"occurred_at":"2026-01-27T11:31:37+00:00","first_seen_at":"2026-06-06T01:50:05.756622+00:00","date_source":"source"},{"id":"a4e0c878-5f8b-40c6-9f98-4ee804203235","url":"https://onlylabs.fyi/signals/a4e0c878-5f8b-40c6-9f98-4ee804203235","source_url":"https://huggingface.co/arcee-ai/Trinity-Large-TrueBase","title":"arcee-ai/Trinity-Large-TrueBase","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"arcee","name":"Arcee AI","category":"neolab"},"occurred_at":"2026-01-27T10:15:24+00:00","first_seen_at":"2026-06-06T01:50:05.756622+00:00","date_source":"source"},{"id":"b8d9abb6-e894-46ef-9a30-93ce6bcf43fc","url":"https://onlylabs.fyi/signals/b8d9abb6-e894-46ef-9a30-93ce6bcf43fc","source_url":"https://huggingface.co/arcee-ai/AFM-4.5B-Base-KDA-NoPE","title":"arcee-ai/AFM-4.5B-Base-KDA-NoPE","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"arcee","name":"Arcee AI","category":"neolab"},"occurred_at":"2025-12-14T21:35:17+00:00","first_seen_at":"2026-06-06T01:50:05.756622+00:00","date_source":"source"},{"id":"854622d8-0334-40e4-8706-9c1a05e69792","url":"https://onlylabs.fyi/signals/854622d8-0334-40e4-8706-9c1a05e69792","source_url":"https://huggingface.co/arcee-ai/AFM-4.5B-Base-KDA-Only","title":"arcee-ai/AFM-4.5B-Base-KDA-Only","context":null,"kind":{"key":"model_released","label":"Model"},"org":{"slug":"arcee","name":"Arcee AI","category":"neolab"},"occurred_at":"2025-12-14T21:35:04+00:00","first_seen_at":"2026-06-06T01:50:05.756622+00:00","date_source":"source"}]}