Colosseum Models by iGenius
2 models2025Up to 131K ctx
About
Colosseum is a family of 2 AI models by iGenius, released in 2025.
Current Variants
Use-when guidance is derived from seed capabilities, context, release, and replacement fields.
2 in view
Colosseum 355BCurrent
Use when the workload needs 131K context and 355B parameters.
2025-03131K context355B parameters
Colosseum 355B InstructCurrent
Use when the workload needs 16K context and 355B parameters.
2025-0116K context355B parameters
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Colosseum 355B | Use when the workload needs 131K context and 355B parameters. | 2025-03 | 131K context355B parameters | Current |
| Colosseum 355B Instruct | Use when the workload needs 16K context and 355B parameters. | 2025-01 | 16K context355B parameters | Current |
Release Timeline
2 release groups2025-03
1 current
Colosseum 355B
Current131K context355B parameters
2025-01
1 current
Colosseum 355B Instruct
Current16K context355B parameters
Specifications(2 models)
| Model | Released | Context | Parameters |
|---|---|---|---|
| Colosseum 355B | 2025-03 | 131K | 355B |
| Colosseum 355B Instruct | 2025-01 | 16K | 355B |
Available From(1 provider)
Frequently Asked Questions
- What is Colosseum used for?
- Colosseum is used for coding. The family description and listed model capabilities point to those workloads as the best fit.
- How does Colosseum compare to Italia?
- Colosseum by iGenius is strongest where you need coding, while Italia by iGenius is the closest related family to check for adjacent model selection. Colosseum has 2 listed variants and reaches up to 131K context, while Italia reaches up to 131K context, so compare the specs and pricing tables before choosing a production model.
- Which Colosseum model should I use?
- If price is the main constraint, use the pricing table first because Colosseum does not have complete provider pricing in the local data. For the most capable/latest local choice, evaluate Colosseum 355B with 131K context.
