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Start here for the decision-making essentials: what Antares 1b does, who it is for, how it is accessed, and the first-party sources behind this profile.
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Published specifications and use cases for Antares 1b. Repository dates are kept separate from the model's original release date.
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Short answers to the questions buyers and builders commonly ask about Antares 1b. Each answer cites the shared ledger below, where every source is listed once.
Terminal-agent vulnerability localization: given a CWE identifier and its generic category
Vulnerability Localization: Given a CWE identifier, its generic category description, and a repository, identifying which source files contain the reported vulnerability — using only a terminal interface, without any external retrieval system or vector database.
1 billion
Antares-1B is an open-weight, 1-billion parameter language model
Auto-regressive decoder-only transformer (IBM Granite 4.0 1B backbone): 40 layers, hidden
Model Architecture: Auto-regressive decoder-only transformer (IBM Granite 4.0 1B backbone): 40 layers, hidden dim 2048, 16 attention heads, 4 KV heads (GQA), 128K context window, 100,352 vocab, SwiGLU activation, RMSNorm, RoPE positional encoding.
Navigating repositories via shell commands to identify files matching a CWE identifier · Automated vulnerability file localization in CI/CD security gates · Auditing codebases across multiple package ecosystems for known weakness categories · Offline vulnerability triage using a static, non-retrieval model
fdtn-ai/antares-1b · Hugging Face
Security teams performing vulnerability localization in real-world codebases · Shift-left CI pipelines that flag vulnerable source files early · Terminal-driven code security analysis without external retrieval systems · Small-footprint deployment requiring a 1B-parameter open-weight model
This profile connects the jobs Antares 1b is described as handling with its delivery model, access options and the subjects used to match it to related products in this directory.
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HTTP 200 verified twice
fdtn-ai/antares-1b · Hugging Face
Antares-1B is part of the Antares family (350M, 1B, 3B) · 1 billion parameter language model · Developed by Cisco Systems, Inc. — Foundation AI product group
Antares-1B (part of the Antares family: 350M, 1B, 3B)
Cisco Systems, Inc. — Foundation AI product group
Apache 2.0
1 billion
Auto-regressive decoder-only transformer (IBM Granite 4.0 1B backbone): 40 layers, hidden dim 2048, 16 attention heads, 4 KV heads (GQA), 128K context window, 100,352 vocab, SwiGLU activation, RMSNorm, RoPE positional encoding
128K tokens
April 10, 2025 (static, offline-trained model)
Terminal-agent vulnerability localization: given a CWE identifier and its generic category description, navigate a code repository via shell commands to identify source files containing the reported vulnerability; intended for shift-left CI
Reported File F1 of 0.209 on the Vulnerability Localization Benchmark (VLoc Bench): 500 tasks drawn from 290 unique real-world repositories, spanning 6 package ecosystems and 147 unique CWE categories
A concise view of the jobs, capabilities and integrations described in the recorded product sources.
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The public model repository was created on Hugging Face. This repository date may differ from the model's original release date.
View source [1]Facts, answers, structured details, milestones and primary resource links cite this shared ledger. Each external page appears once; release tags from the same GitHub project are grouped under one release history.
These tools share a workflow, capability or audience with Antares 1b. They may complement it rather than replace it, and are not presented as integrations or endorsements.
