Z AI
GLM-5.1 (Non-reasoning)
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...
Z AI releasesModel Snapshot
ReleaseApr 7, 2026
Context200,000
Overall
Rank #87 across 566
35.4
Coding
Rank #69 across 222
55.8
Blended Price
Rank #239 across 371
$2.15/M
Strength Profile
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Benchmark Percentiles
Higher bars mean stronger relative placement.
Model Details
Runtime
Output Speed52.4 tok/s
First Token1.30s
Max Output128,000
Pricing
Blended$2.15/M
Input$1.40/M
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 35.4 | #87 |
| Artificial Analysis Coding Index | coding | 55.8 | #69 |
| GPQA | reasoning | 83.9% | #104 |
| Humanity's Last Exam | reasoning | 25.6% | #76 |
| SciCode |