GLM 4.5 Air
Z.ai · Mid
GLM-4.5-Air is the lightweight variant of our latest flagship model family, also purpose-built for agent-centric applications. Like GLM-4.5, it adopts the Mixture-of-Experts (MoE) architecture but with a more compact parameter...
Input / 1M
$0.125
Output / 1M
$0.85
Cached input / 1M
$0.06
Context window
131K
Where it sits
85th-cheapest mid model
by blended $/Mtok among 262 listed mid models
46% below the mid median
blended $/Mtok across 262 mid models
Output costs 6.8× input
$0.125 in / $0.85 out per 1M
Cached input saves 52%
$0.06 vs $0.125 per 1M fresh
Held flat since launch (Jun 2026)
no blended price change recorded
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Only one price on record so far — the history chart appears once a price changes.
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 11 Jun 2026 | $0.125 | $0.85 | $0.06 | Imported from OpenRouter | openrouter.ai |