GLM 5.1
Z.ai · Mid
GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interactions, GLM-5.1 can work independently and continuously on...
Input / 1M
$0.98
Output / 1M
$3.08
Cached input / 1M
$0.182
Context window
202K
Where it sits
198th-cheapest mid model
by blended $/Mtok among 262 listed mid models
163% above the mid median
blended $/Mtok across 262 mid models
Output costs 3.1× input
$0.98 in / $3.08 out per 1M
Cached input saves 81%
$0.182 vs $0.98 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 | $0.98 | $3.08 | $0.182 | Imported from OpenRouter | openrouter.ai |