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GLM-4.5 Air

Zhipu AI's lightweight GLM-4.5 variant for cost-effective tasks.

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Input price
$0.12848
Output price
$0.3212
Context
131K
Max output
98K
1384
—
Released
2025-08-13
Knowledge cutoff
2025-04
InputTextOutputText

Providers

Providers that serve this model. With Auto, each request goes to the best available provider. Prices in USD per 1M tokens; stats cover the last 30 days.

Pricing

All prices for this model, by service tier.

Prompt ≤ 32K tokens

Input
$0.12848
per 1M tokens
Output
$0.9636
per 1M tokens
Cache read
$0.025696
per 1M tokens

Prompt > 32K tokens

Input
$0.19272
per 1M tokens
Output
$1.2848
per 1M tokens
Cache read
$0.038544
per 1M tokens

Try it

Runs on your balance and is billed like any API request.

Try one

Later turns reuse the provider’s prompt cache, which can lower cost and latency.

The answer streams in here.

Billed by usage

Similar models

Other models with the same output types at a similar price.

  • Better value: more capable, lower price
  • Pareto frontier
  • Similar models

Capability scores are from Epoch AI’s Epoch Capabilities Index (CC BY 4.0, as of 2026-11-10), which combines dozens of benchmarks with GPT-5 set at 150. epoch.ai/eci

Price: our current input price per 1M tokens in USD, lowest across channels. Dated snapshots and resold copies of the same model are merged into one point; free models are not shown.

Shaded area: capability above and price below the median of all models. Pareto frontier: no other model is both cheaper and more capable.

GLM-4.5 AirThis model
—
Input
$0.12848
Output
$0.3212
—
Input
$0.1168
Output
$0.3942
154
Input
$0.1168–$0.165
Output
$0.4088–$0.55
—
Input
$0.146
Output
$0.584
—
Input
$0.113
Output
$0.382

Human preference ratings are from the LMArena Text Arena (CC BY 4.0, as of 2026-11-09): Elo ratings from blind votes, on a different scale from capability scores. lmarena.ai/leaderboard/text