Leaderboard / Z.ai
GLM-5.2
Z.ai Max OPEN MIT
Verdict
GLM-5.2 is a solid mid-pack model: #64 of 406 by SIscope score. Strongest at chat quality, weaker at agents & tools. Mid-range on price. Weights are open, so you can run it yourself.
SIscope score
75
#64 of 406
Human-vote rank
#33
of 419 · score 1470
Price per 1M tokens, blended
$1.7
$0.006 in · $6.8 out
Context window
1M
1,048,576 tokens
Shape
Each spoke is a category, 0 at the centre, 100 at the edge.
Category scores
Percentiles: 90 means better than about 90% of tested models.
Human-vote score over time
Text arena, recent updates.
Coding votes over time
WebDev arena, recent updates.
Independent test runs
Run by Epoch AI on the same harness for every model. Bars show the share of questions answered correctly.
GPQA Diamond92%
PhD-level science multiple choice questions
Better than 91% of 333 tested models. Run Jun 24, 2026.
SimpleQA Verified34%
Short factual questions; rewards not making things up
Better than 38% of 100 tested models. Run Aug 27, 2026.
OTIS Mock AIME 2024-2586%
Competition maths problems in the style of AIME
Better than 67% of 313 tested models. Run Jun 25, 2026.
FrontierMath Tiers 1-359%
Very hard, unpublished research-style maths problems
Better than 65% of 122 tested models. Run Jun 19, 2026.
SWE-bench Verified79%
Fixing real GitHub issues in Python repositories
Better than 88% of 35 tested models. Run Jun 25, 2026.
Human-vote arenas
People compare two anonymous answers and pick the better one. Scores work like chess ratings.
| Arena | Rank | Score | Range (95%) | Votes | Updated |
|---|---|---|---|---|---|
| Text arena Everyday chat, blind human votes | #33 of 419 | 1470 | 1466–1474 | 53,702 | Oct 28, 2026 |
| WebDev arena Building web apps, blind human votes | #33 of 152 | 1606 | 1600–1612 | 17,817 | Oct 28, 2026 |
| Vision arena Questions about images, blind human votes | Not on this board yet | ||||
| Agent arena Real multi-step agent sessions | #26 of 57 | 0.8% | -0.0–1.5% | 99,064 | Nov 2, 2026 |
Source: Arena (formerly LMArena) leaderboard dataset, CC BY 4.0. Fetched Nov 4, 2026.
Price
Input
$0.006
per 1M tokens
Output
$6.8
per 1M tokens
Blended
$1.7
3 in : 1 out, per 1M
Context window
1M
max tokens per request
Speed
Coming soon
our own tests
List price from the OpenRouter models API (z-ai/glm-5.2), Nov 4, 2026. Providers can charge differently.