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ModelCap

Model decision surface

Compare AI models

Start with Llama 3.1 8B Instruct and UserLM 8b, or choose any two current ranked language models. Compare capability evidence, price, context, provider availability, and weight access without pretending one field decides every use case.

Current public data

Llama 3.1 8B Instruct vs UserLM 8b

Live dataset updated 9/13/2026, 2:40:29 PM UTC

Open 1200×630 evidence receipt
Factual comparison of Llama 3.1 8B Instruct and UserLM 8b
Field
UserLM 8b

Microsoft

ModelCap position#178#181
Index score7.86.1
EvidenceMeasured2 public benchmark observations across 2 boardsInheritedfinetune of meta-llama/Llama-3.1-8B · finetune (100%)
Input / 1M$0.05Unavailable
Output / 1M$0.08Unavailable
Pricing statusfreshunavailable
Context131K—
Providers50
Weight accessGated accessOpen weights

Decision facts

  • Llama 3.1 8B Instruct is #178; UserLM 8b is #181 on the same current language board.
  • Index scores are 7.8 for Llama 3.1 8B Instruct and 6.1 for UserLM 8b. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.
  • Evidence differs: Llama 3.1 8B Instruct is Measured; UserLM 8b is Inherited.
  • Weight access differs: Llama 3.1 8B Instruct is gated; UserLM 8b is open.
  • ModelCap currently lists 5 providers for Llama 3.1 8B Instruct and 0 for UserLM 8b.

These are separate published fields, not a synthetic winner. ModelCap does not collapse price, access, context, and capability evidence into a hidden recommendation score.

Each comparison page is a permanent, shareable URL with the same live figures as this tool: ModelCap Index position, API pricing, context window, provider count, weight access and every shared benchmark board.