LLM Reference

Colosseum 355B vs Dracarys Llama 3.1 70B Instruct

Colosseum 355B (2025) and Dracarys Llama 3.1 70B Instruct (2024) are compact production models from iGenius and Abacus.AI. Colosseum 355B ships a 131k-token context window, while Dracarys Llama 3.1 70B Instruct ships a 8k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.

Colosseum 355B fits 16x more tokens; pick it for long-context work and Dracarys Llama 3.1 70B Instruct for tighter calls.

Decision scorecard

Local evidence first
SignalColosseum 355BDracarys Llama 3.1 70B Instruct
Best forgeneral production evaluationgeneral production evaluation
Decision fitLong contextGeneral
Context window131k8k
Cheapest output--
Provider routes0 tracked1 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Colosseum 355B when...
  • Colosseum 355B has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Local decision data tags Colosseum 355B for Long context.
Choose Dracarys Llama 3.1 70B Instruct when...
  • Dracarys Llama 3.1 70B Instruct has broader tracked provider coverage for fallback and route flexibility.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Colosseum 355B

Unavailable

No complete token price in local provider data

Dracarys Llama 3.1 70B Instruct

Unavailable

No complete token price in local provider data

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

Colosseum 355B -> Dracarys Llama 3.1 70B Instruct
  • No overlapping tracked provider route is sourced for Colosseum 355B and Dracarys Llama 3.1 70B Instruct; plan for SDK, billing, or endpoint changes.
Dracarys Llama 3.1 70B Instruct -> Colosseum 355B
  • No overlapping tracked provider route is sourced for Dracarys Llama 3.1 70B Instruct and Colosseum 355B; plan for SDK, billing, or endpoint changes.

Specs

Specification
Released2025-03-102024-09-01
Context window131k8k
Parameters355B70B
Architecture-Decoder Only
LicenseLlama 3 CommunityLlama 3 Community
OpennessOpen weightsOpen weights
WeightsUnknownUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff--

Pricing and availability

Pricing attributeColosseum 355BDracarys Llama 3.1 70B Instruct
Input price--
Output price--
Providers-

Pricing not yet sourced for either model.

Capabilities

CapabilityColosseum 355BDracarys Llama 3.1 70B Instruct
VisionNoNo
MultimodalNoNo
ReasoningNoNo
JSON / Tool useNoNo
Structured outputsNoNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

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Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.