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ModelCap

Model decision surface

Compare AI models

Start with GPT-5.5 and GLM 5.3, 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-5.5 vs GLM 5.3

Live dataset updated 8/19/2026, 2:25:16 AM UTC

Open 1200×630 evidence receipt
Factual comparison of GPT-5.5 and GLM 5.3
Field
GPT-5.5

OpenAI

ModelCap position#9#7
Index score75.878.4
EvidenceMeasured8 public benchmark observations across 8 boardsMeasured1 public benchmark observation across 1 board
Input / 1M$5.00$1.40
Output / 1M$30.00$4.40
Pricing statusfreshfresh
Context1M1M
Providers31
Weight accessAPI onlyAPI only

Decision facts

  • GPT-5.5 is #9; GLM 5.3 is #7 on the same current language board.
  • Index scores are 75.8 for GPT-5.5 and 78.4 for GLM 5.3.
  • Both positions use Measured evidence.
  • Listed output price per 1M tokens is $30.00 for GPT-5.5 and $4.40 for GLM 5.3.
  • Published context is 1,050,000 tokens for GPT-5.5 and 1,048,576 for GLM 5.3.
  • ModelCap currently lists 3 providers for GPT-5.5 and 1 for GLM 5.3.

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.