Colosseum Models by iGenius

iGeniusLlama 3 CommunityOpen weights
2 models2025Up to 131k ctx

Last refreshed 2026-06-29. Next refresh: weekly.

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.

Decision facts

Best fit
coding
Capability starting point
Colosseum 355B with 131k context
Lowest tracked input
Not tracked
Closest related family
Italia

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

Release Timeline

2 release groups
2025-03
1 current
Colosseum 355B
131k context355B parameters
Current
2025-01
1 current
Colosseum 355B Instruct
16k context355B parameters
Current

Specifications(2 models)

Colosseum model specifications comparison
ModelReleasedContextParameters
Colosseum 355B2025-03131k355B
Colosseum 355B Instruct2025-0116k355B

Available From(1 provider)

NVIDIA NIM

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