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ModelCap

Model decision surface

Compare AI models

Start with GPT-5.4 Nano and Laguna XS.2, 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

GPT-5.4 Nano vs Laguna XS.2

Live dataset updated 9/22/2026, 1:40:35 AM UTC

Open 1200×630 evidence receipt
Factual comparison of GPT-5.4 Nano and Laguna XS.2
Field
Laguna XS.2

Poolside

ModelCap position#80#81
Index score54.654.4
EvidenceMeasured4 public benchmark observations across 4 boardsEstimatedglobal-corpus-prior over 202 held-out anchors (7%); launch card against 5 resolved peers on 4 rows (93%); optimism haircut 0 from cross-lab-probe
Input / 1M$0.20Unavailable
Output / 1M$1.25Unavailable
Pricing statusfreshunavailable
Context400K—
Providers20
Weight accessAPI onlyOpen weights

Decision facts

  • GPT-5.4 Nano is #80; Laguna XS.2 is #81 on the same current language board.
  • Index scores are 54.6 for GPT-5.4 Nano and 54.4 for Laguna XS.2. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.
  • Evidence differs: GPT-5.4 Nano is Measured; Laguna XS.2 is Estimated.
  • Weight access differs: GPT-5.4 Nano is none; Laguna XS.2 is open.
  • ModelCap currently lists 2 providers for GPT-5.4 Nano and 0 for Laguna XS.2.

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.