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LLM models · Model

AFM 4.5B

Researched

AFM-4.5B is a 4.5 billion parameter transformer-based text generation language model by Arcee AI, released July 2025. It supports 11 languages, offers open weights on Hugging Face, and is positioned as a thoughtful conversational assistant.

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Official model pageView model card
Official site snapshots

See the official site at a glance

Read-only public captures of AFM 4.5B’s homepage and verified pricing page. Screenshots are dated, never live embeds, and open full-screen.

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Homepage · captured Jul 23, 2026
1 earlier capture
Pricing page · captured Jul 23, 2026
At a glance

In one minute

Start here for the decision-making essentials: what AFM 4.5B does, who it is for, how it is accessed, and the first-party sources behind this profile.

PricingCurrent signal

See official pricing

Platforms
Hugging Face
API accessNot public
FoundedNot disclosed by source
AvailabilityWeb / remote
LicenseProprietary

Best suited to

Source-backed fit
thoughtful conversational assistant applications multilingual text generation across 11 languages open-weight deployment and research scenarios mid-size LLM experimentation on Hugging Face
Model registry

Specifications and best fit

Source backed

Published specifications and use cases for AFM 4.5B. Repository dates are kept separate from the model's original release date.

Developer
arcee-ai
Family
AFM
Original release
2025-07-29
Repository created
2025-07-29
Parameters
4.5 billion parameters
Context window
Not stated
Architecture
transformers
License
apache-2.0
Weights
public/open (not gated, not private)
Modalities
text-generation, Text Generation
Languages
multilingual: en, es, fr, de, it, pt, ru, ar, hi, ko, zh
Repository
arcee-ai/AFM-4.5B

Good fit for

  • thoughtful, calm conversational assistant use
Decision support

Common questions and adoption checks

6 sourced answers

Short answers to the questions buyers and builders commonly ask about AFM 4.5B. Each answer cites the shared ledger below, where every source is listed once.

01What does AFM 4.5B say it can do?

conversational

"conversational"
Ledger citation[1] huggingface.co/arcee-ai/AFM-4.5B
02When was AFM 4.5B released?

2025-07-29 · Updated Jul 30, 2025

2025-07-29T15:04:18.000Z
Ledger citations[1] huggingface.co/arcee-ai/AFM-4.5B[2] huggingface.co/models
03What parameter count does AFM 4.5B publish?

4.5 billion parameters · 5B

with 4.5 billion parameters
Ledger citations[1] huggingface.co/arcee-ai/AFM-4.5B[2] huggingface.co/models
04Which modalities does AFM 4.5B support?

text-generation · Text Generation

pipeline_tag":"text-generation
Ledger citations[1] huggingface.co/arcee-ai/AFM-4.5B[2] huggingface.co/models
05How are AFM 4.5B's weights made available?

public/open (not gated, not private)

"gated":false
Ledger citation[1] huggingface.co/arcee-ai/AFM-4.5B
06What workloads is AFM 4.5B presented as a fit for?

thoughtful, calm conversational assistant use

AFM is a deeply thoughtful, helpful assistant
Ledger citation[1] huggingface.co/arcee-ai/AFM-4.5B
Decision guide

Capabilities and operating fit

LLM models

This profile connects the jobs AFM 4.5B is described as handling with its delivery model, access options and the subjects used to match it to related products in this directory.

Common use cases

  • conversational AI and dialogue systems
  • multilingual text generation (en, es, fr, de, it, pt, ru, ar, hi, ko, zh)
  • research, fine-tuning, and merge experiments via Hugging Face

Verified capabilities

Access signals

Pricing model
See official pricing
API
Not publicly listed
Source links
16 recorded
Source-backed

Verified facts

Updated July 22, 2026

Each fact points to a recorded source, making it easy to distinguish verified product information from claims that need checking.

Official website

HTTP 200 verified twice

[1]huggingface.co/arcee-ai/AFM-4.5B
First-party description

arcee-ai/AFM-4.5B · Hugging Face

[1]huggingface.co/arcee-ai/AFM-4.5B
Source-supported facts

Model identified as AFM-4.5B · Trained by Arcee AI · 4.5 billion parameters

[1]huggingface.co/arcee-ai/AFM-4.5B
Model

AFM-4.5B

[1]huggingface.co/arcee-ai/AFM-4.5B
Company

Arcee AI

[1]huggingface.co/arcee-ai/AFM-4.5B
Parameter count

4.5 billion parameters

[1]huggingface.co/arcee-ai/AFM-4.5B
Release date

2025-07-29

[1]huggingface.co/arcee-ai/AFM-4.5B
Modality

text-generation

[1]huggingface.co/arcee-ai/AFM-4.5B
View 14 more verified facts
Architecture

transformers

[1]huggingface.co/arcee-ai/AFM-4.5B
Weights access

public/open (not gated, not private)

[1]huggingface.co/arcee-ai/AFM-4.5B
Language

multilingual: en, es, fr, de, it, pt, ru, ar, hi, ko, zh

[1]huggingface.co/arcee-ai/AFM-4.5B
Platform

Hugging Face

[1]huggingface.co/arcee-ai/AFM-4.5B
Capability

conversational

[1]huggingface.co/arcee-ai/AFM-4.5B
Best for

thoughtful, calm conversational assistant use

[1]huggingface.co/arcee-ai/AFM-4.5B
Model

AFM-4.5B

[2]huggingface.co/models
Model family

AFM

[2]huggingface.co/models
Parameter count

5B

[2]huggingface.co/models
Modality

Text Generation

[2]huggingface.co/models
Release date

Updated Jul 30, 2025

[2]huggingface.co/models
Architecture

Mixture of Experts

[2]huggingface.co/models
Quantization

4-bit precision

[2]huggingface.co/models
Quantization

8-bit precision

[2]huggingface.co/models
Practical capabilities

What it helps with

4 documented areas

A concise view of the jobs, capabilities and integrations described in the recorded product sources.

Use case

conversational AI and dialogue systems

Use case

multilingual text generation (en, es, fr, de, it, pt, ru, ar, hi, ko, zh)

Use case

research, fine-tuning, and merge experiments via Hugging Face

Capability

conversational

Availability

Where it runs and where to get it

Source checked

Documented product formats, platforms and official distribution destinations. Availability can vary by region and plan.

Cost / license

See official pricing

Platforms

Hugging Face
Implementation details

Adoption notes

DeploymentNot disclosed by source
LicenseNot disclosed by source
Model supportAFM-4.5B
Data controlNot disclosed by source
Learning curveIntermediate
Primary use casesconversational AI and dialogue systems, multilingual text generation (en, es, fr, de, it, pt, ru, ar, hi, ko, zh), research, fine-tuning, and merge experiments via Hugging Face

What to verify before adopting

    Evolution and major updates

    AFM 4.5B timeline

    A concise history of software releases and material product changes. Events appear only when a dated source supports what changed.

    1 dated update
    Latest first · exact dates

    Showing the newest updates and meaningful milestones. Open an entry for its summary and source.

    1. Release note

      Hugging Face repository published

      Open details

      The public model repository was created on Hugging Face. This repository date may differ from the model's original release date.

      View source [1]
    Citation ledger

    Recorded sources

    16 unique pages

    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.

    1. 1huggingface.co/arcee-ai/AFM-4.5B 14 facts · 6 answers · 1 milestone · Official site
    2. 2huggingface.co/models 8 facts · 3 answers · Official site
    3. 3huggingface.co/blog Official site
    4. 4huggingface.co/docs Documentation
    5. 5huggingface.co/docs/inference-providers/index Documentation
    6. 6huggingface.co/docs/safetensors/index Documentation
    7. 7huggingface.co/inference/models Official site
    8. 8huggingface.co/models Official site
    9. 9huggingface.co/models Official site
    10. 10huggingface.co/models Official site
    11. 11huggingface.co/models Official site
    12. 12huggingface.co/models Official site
    13. 13huggingface.co/models Official site
    14. 14huggingface.co/pricing Pricing
    15. 15huggingface.co/privacy Security
    16. 16huggingface.co/support Official site
    Research status20 substantive facts · 16 source pages · quality score 82/100