Model decision surface

Compare AI models

Start with GLM 4.5 Air and GLM 5 Turbo, 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.

First modelSecond model

Current public data

GLM 4.5 Air vs GLM 5 Turbo

Live dataset updated 10/1/2026, 9:09:05 PM UTC

Open 1200×630 evidence receipt

Factual comparison of GLM 4.5 Air and GLM 5 Turbo
Field	GLM 4.5 Air Z.ai	GLM 5 Turbo Z.ai
ModelCap position	#125	#109
Index score	47.4	53.5
Evidence	Measured2 public benchmark observations across 2 boards	Measuredpublisher-corpus-prior over 231 held-out anchors (63%); 1 specialist-board observation at 1.2% support (37%); shrunk 24.7 up toward the measured corpus
Input / 1M	$0.13	$1.20
Output / 1M	$0.85	$4.00
Pricing status	fresh	fresh
Context	131K	203K
Providers	3	1
Weight access	Open weights	API only

Decision facts

GLM 4.5 Air is #125; GLM 5 Turbo is #109 on the same current language board.
Index scores are 47.4 for GLM 4.5 Air and 53.5 for GLM 5 Turbo. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.
Both positions use Measured evidence.
Listed output price per 1M tokens is $0.85 for GLM 4.5 Air and $4.00 for GLM 5 Turbo. For 1,000 requests with 2,000 input and 500 output tokens each (2M input + 0.5M output), the listed-rate estimate is $0.69 for GLM 4.5 Air versus $4.40 for GLM 5 Turbo. GLM 4.5 Air costs 84.4% less in this scenario. This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the selected endpoint before budgeting.
Published context is 131,072 tokens for GLM 4.5 Air and 202,752 for GLM 5 Turbo.
Weight access differs: GLM 4.5 Air is open; GLM 5 Turbo is none.
ModelCap currently lists 3 providers for GLM 4.5 Air and 1 for GLM 5 Turbo.

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

Popular comparisons

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.