GLM-5.1
By Z AI · released 2026-04-07 (6 months) · 2 effort levels
1 of 2 on the frontier at launchOff the frontier todayopen weights
- Intelligence index
- 26.10
- Cost to run the AA index
- $1487
- Price per 1M tokens (in / out)
- $1.28–$1.38 / $4.07–$4.40
Today
Where GLM-5.1 stands on the 2026-10-25 frontier
No measured level is on the frontier today.
| Level | Input modalities | Intelligence | Cost | E2E | Today | Matchup |
|---|---|---|---|---|---|---|
| GLM-5.1 (Reasoning) | Text | 26.10 | $1487 | 60.8s | beaten by GPT-6.1 Sol (Max) | Compare |
| GLM-5.1 (Non-reasoning) | Text | 24.20 | - | 9.10s | no data | Compare |
1 of 2 effort levels plotted. The remaining levels lack intelligence or benchmark cost data.
GLM-5.1 effort levelsToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
- GLM-5.1 (Reasoning) vs GPT-6.1 Sol (Max)
- GLM-5.1 (Reasoning) vs Claude Opus 5.5 (High, Default Fallback)
- GLM-5.1 (Reasoning) vs GLM-5.1 (Non-reasoning)
- GLM-5.1 (Reasoning) vs GPT-6.1 Sol (High)
- GLM-5.1 (Reasoning) vs GPT-6.1 Sol (Xhigh)
- GLM-5.1 (Reasoning) vs Kimi K3.1 Pro
- GLM-5.1 (Reasoning) vs Claude Opus 5.5 (Xhigh, Default Fallback)
Launch day
What GLM-5.1 did to the frontier on 2026-04-07
Reached the frontier
GLM-5.1 (Reasoning)
Reached the frontier1 of 2
Impact (hypervolume gained)0.27
Rank, past year's releases#33 of 46
Smartest level26.10
Cheapest level$1487
1 of 2 effort levels plotted. The remaining levels lack intelligence or benchmark cost data.
Reached the frontierMissed itDisplaced from the old frontierFrontier the day beforeFrontier after the releaseRegion gained (impact)
Agents:
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