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ModelCap

Model decision surface

Compare AI models

Start with GPT-3.5 Turbo Instruct and GPT-5.5, 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-3.5 Turbo Instruct vs GPT-5.5

Live dataset updated 8/17/2026, 11:13:20 PM UTC

Open 1200×630 evidence receipt
Factual comparison of GPT-3.5 Turbo Instruct and GPT-5.5
Field
GPT-5.5

OpenAI

ModelCap position#107#8
Index score22.576.9
EvidenceEstimatedpublisher corpus prior · leave-one-anchor-out calibratedMeasured6 public benchmark observations across 6 boards
Input / 1M$1.50$5.00
Output / 1M$2.00$30.00
Pricing statusfreshfresh
Context4K1M
Providers13
Weight accessAPI onlyAPI only

Decision facts

  • GPT-3.5 Turbo Instruct is #107; GPT-5.5 is #8 on the same current language board.
  • Index scores are 22.5 for GPT-3.5 Turbo Instruct and 76.9 for GPT-5.5.
  • Evidence differs: GPT-3.5 Turbo Instruct is Estimated; GPT-5.5 is Measured.
  • Listed output price per 1M tokens is $2.00 for GPT-3.5 Turbo Instruct and $30.00 for GPT-5.5.
  • Published context is 4,095 tokens for GPT-3.5 Turbo Instruct and 1,050,000 for GPT-5.5.
  • ModelCap currently lists 1 providers for GPT-3.5 Turbo Instruct and 3 for GPT-5.5.

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.