AFM Models by Arcee AI
1 model2025Up to 66k ctx
Last refreshed 2026-06-29. Next refresh: weekly.
Details
ResearcherArcee AI
LicenseApache 2.0OSI-approved
Commercial useCommercial use: permitted
Models1
Released2025
Max context66k
About
Arcee AI's dense foundation model family. Served as the proof-of-concept series (trained on 8T tokens) before the Trinity sparse MoE family. Open-source under Apache 2.0.
Decision facts
- Best fit
- General model comparison
- Capability starting point
- AFM 4.5B with 66k context
- Lowest tracked input
- Not tracked
- Closest related family
- Arcee Maestro
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
1 in view
AFM 4.5BCurrent
Use when the workload needs 66k context and 4.5B parameters.
2025-0766k context4.5B parameters
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| AFM 4.5B | Use when the workload needs 66k context and 4.5B parameters. | 2025-07 | 66k context4.5B parameters | Current |
Release Timeline
1 release group2025-07
1 current
AFM 4.5B
Current66k context4.5B parameters
Specifications(1 models)
| Model | Released | Context | Parameters |
|---|---|---|---|
| AFM 4.5B | 2025-07 | 66k | 4.5B |
