Colosseum Models by iGenius
2 models2025Up to 131k ctx
Details
ResearcheriGenius
LicenseLlama 3 Community
Commercial useCommercial use: conditional
Models2
Released2025
Max context131k
About
Colosseum is a family of 2 AI models by iGenius, released in 2025.
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
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)
Popular comparisons in this family
- Colosseum 355B vs Llama 3.1 Swallow 70B Instruct11
- Colosseum 355B vs Dracarys Llama 3.1 70B Instruct8
- Claude Instant vs Colosseum 355B Instruct5
- Codex 1 vs Colosseum 355B Instruct4
- Colosseum 355B Instruct vs Llama 3 Swallow 70B Instruct3
- Codex Mini Latest vs Colosseum 355B Instruct3
- Colosseum 355B Instruct vs Xiaomi MiMo-V2.5-Pro2
- Colosseum 355B Instruct vs Xiaomi MiMo-V2.52
- Claude Instant 1.1 vs Colosseum 355B Instruct2
- Colosseum 355B Instruct vs Hunyuan Hy3 Preview1
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.
