Data points: 160
Model compare
The readout for GLM-5.1 and GLM-5.2, before the detailed comparison sheet.
Weighted outcome: GLM-5.2. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GLM-5.2
GLM-5.2 has the higher weighted result; Model A / B score 17.3 to 82.7.
Evidence depth
160 data points
Includes 37 benchmark rows, 4 audit samples, and 10 provider examples.
Selection signal
Start with GLM-5.2
The charts below split 51 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
This report only uses LMSpeed data for GLM-5.1 and GLM-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GLM-5.1 | GLM-5.2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 17.3 pts | 82.7 pts |
| Benchmark category leads | 1 categories | 5 categories |
| Operational advantages | Provider coverage | Cheapest input price, Average speed, First-token latency, Free providers |
| Context window | 204.8K tokens | 1.0M tokens |
| Max output | 128K tokens | 131.1K tokens |
| Modalities | Input Text Output Text | Input Text Output Text |
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON modeReasoning |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | GLM-5.1 | GLM-5.2 |
|---|---|---|
| Developer | Z.ai | Z.ai |
| Released | Apr 2026 | Jun 2026 |
| Parameters | No data | No data |
| Tokenizer | Other | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | z-ai/glm-5.1 | z-ai/glm-5.2 |
| References | No data | No data |
This report only uses LMSpeed data for GLM-5.1 and GLM-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GLM-5.1
GLM-5.1 is stronger in benchmark categories (Instruction following) and operational dimensions (Provider coverage).
GLM-5.2
GLM-5.2 is stronger in benchmark categories (Agents, Coding, Reasoning, Knowledge, Math) and operational dimensions (Cheapest input price, Average speed, First-token latency, Free providers).
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
GLM-5.1
54.2
Avg. score
GLM-5.2
59.1
GLM-5.2 leads by 7.0
GLM-5.2 leads by 1.6
GLM-5.2 leads by 0.7
GLM-5.2 leads by 1.9
GLM-5.2 leads by 19.0
No data
No data
GLM-5.1 leads by 1.2
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GLM-5.1
63.0
Rank #28/91 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner70.0
Rank #16/91 · confidence 2 · eval date 2026-06-16
GLM-5.1
$4.40/M
Rank #103/170 · confidence 4
GLM-5.2
$4.40/M
Rank #103/170 · confidence 4
GLM-5.1
winner$2.13/M
Rank #109/170 · confidence 4
GLM-5.2
$2.15/M
Rank #110/170 · confidence 4
GLM-5.1
winner$1.38/M
Rank #121/170 · confidence 4
GLM-5.2
$1.40/M
Rank #122/170 · confidence 4
GLM-5.1
4.6
Rank #42/78 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner20.9
Rank #10/78 · confidence 2 · eval date 2026-06-16
GLM-5.1
28.0%
Rank #41/194 · confidence 4
GLM-5.2
winner40.1%
Rank #14/194 · confidence 4
GLM-5.1
62.3
Rank #59/94 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner71.3
Rank #15/94 · confidence 2 · eval date 2026-06-16
GLM-5.1
86.8%
Rank #40/195 · confidence 4
GLM-5.2
winner89.5%
Rank #28/195 · confidence 4
GLM-5.1
42.7
Rank #6/11 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner48.9
Rank #2/11 · confidence 2 · eval date 2026-06-16
GLM-5.1
58.4
Rank #17/43 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner62.1
Rank #10/43 · confidence 2 · eval date 2026-06-16
GLM-5.1
winner62.7
Rank #13/72 · confidence 2 · eval date 2026-04-07
GLM-5.2
50.4
Rank #43/72 · confidence 2 · eval date 2026-06-16
GLM-5.1
55.8
Rank #30/64 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner68.8
Rank #17/64 · confidence 2 · eval date 2026-06-16
GLM-5.1
43.8%
Rank #44/192 · confidence 4
GLM-5.2
winner50.5%
Rank #18/192 · confidence 4
GLM-5.1
43.8
Rank #46/101 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner50.5
Rank #22/101 · confidence 2 · eval date 2026-06-16
GLM-5.1
95.3
Rank #7/12 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner99.2
Rank #1/12 · confidence 2 · eval date 2026-06-16
GLM-5.1
83.8
Rank #4/10 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner91.0
Rank #1/10 · confidence 2 · eval date 2026-06-16
GLM-5.1
94.0
Rank #4/9 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner94.4
Rank #3/9 · confidence 2 · eval date 2026-06-16
GLM-5.1
82.6
Rank #15/15 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner92.5
Rank #6/15 · confidence 2 · eval date 2026-06-16
GLM-5.1
64.6
Rank #20/58 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner81.4
Rank #7/58 · confidence 2 · eval date 2026-06-16
GLM-5.1
77.6
Rank #17/61 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner82.4
Rank #11/61 · confidence 2 · eval date 2026-06-16
GLM-5.1
86.2
Rank #24/26 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner91.2
Rank #12/26 · confidence 2 · eval date 2026-06-16
GLM-5.1
28.0
Rank #39/101 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner40.1
Rank #13/101 · confidence 2 · eval date 2026-06-16
GLM-5.1
40.2
Rank #32/104 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner51.1
Rank #13/104 · confidence 2 · eval date 2026-06-16
GLM-5.1
1.9
Rank #32/34 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner4.0
Rank #25/34 · confidence 2 · eval date 2026-06-16
GLM-5.1
86.8
Rank #42/101 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner89.5
Rank #29/101 · confidence 2 · eval date 2026-06-16
GLM-5.1
24.2
Rank #67/95 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner25.1
Rank #62/95 · confidence 2 · eval date 2026-06-16
GLM-5.1
winner29.4
Rank #88/95 · confidence 2 · eval date 2026-04-07
GLM-5.2
28.1
Rank #89/95 · confidence 2 · eval date 2026-06-16
GLM-5.1
1299.0
Rank #16/69 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner1341.0
Rank #2/69 · confidence 2 · eval date 2026-06-16
GLM-5.1
winner76.3
Rank #13/86 · confidence 2 · eval date 2026-04-07
GLM-5.2
73.3
Rank #26/86 · confidence 2 · eval date 2026-06-16
GLM-5.1
97.7
Rank #9/84 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner99.1
Rank #1/84 · confidence 2 · eval date 2026-06-16
GLM-5.1
18.2
Rank #7/19 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner20.7
Rank #2/19 · confidence 2 · eval date 2026-06-16
GLM-5.1
71.8
Rank #16/27 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner76.8
Rank #8/27 · confidence 2 · eval date 2026-06-16
GLM-5.1
63.5
Rank #28/51 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner81.0
Rank #8/51 · confidence 2 · eval date 2026-06-16
GLM-5.1
37.8
Rank #21/55 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner50.5
Rank #10/55 · confidence 2 · eval date 2026-06-16
GLM-5.1
1256.0
Rank #21/60 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner1510.0
Rank #10/60 · confidence 2 · eval date 2026-06-16
GLM-5.1
29.9
Rank #26/60 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner43.1
Rank #12/60 · confidence 2 · eval date 2026-06-16
GLM-5.1
48.9
Rank #41/60 · confidence 2 · eval date 2026-04-07
GLM-5.2
winner81.0
Rank #15/60 · confidence 2 · eval date 2026-06-16
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GLM-5.1 | GLM-5.2 |
|---|---|---|
ChooseC APIWinner: GLM-5.1 | GLM-5.1 glm-5.1 Audit score 97 10010086100 | GLM-5.2 glm-5.2 No audit yet |
小水管 APIWinner: GLM-5.2 | GLM-5.1 glm-5.1 No audit yet | GLM-5.2 glm-5.2-202k Audit score 81 727280100 |
6345ywz APIWinner: GLM-5.1 | GLM-5.1 z-ai/glm-5.1 Audit score 78 70728088 | GLM-5.2 glm-5.2 No audit yet |
MyDamoxingWinner: GLM-5.2 | GLM-5.1 glm-5.1-20260408 No audit yet | GLM-5.2 GLM-5.2-C Audit score 75 597863100 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GLM-5.1 | GLM-5.2 |
|---|---|---|
Ollama75 tests | GLM-5.1 speed / latency 62 tok/s / 25980ms input / output No data | GLM-5.2 speed / latency 91 tok/s / 6210ms input / output No data |
智谱 AI60 tests | GLM-5.1 speed / latency 35 tok/s / 17508ms input / output No data | GLM-5.2 speed / latency 45 tok/s / 9685ms input / output No data |
火山引擎 Ark50 tests | GLM-5.1 speed / latency 35 tok/s / 22863ms input / output No data | GLM-5.2 speed / latency 48 tok/s / 7975ms input / output No data |
NVIDIA NIM30 tests | GLM-5.1 speed / latency 82 tok/s / 9309ms input / output No data | GLM-5.2 speed / latency 49 tok/s / 1704ms input / output No data |
Huawei Cloud20 tests | GLM-5.1 speed / latency 27 tok/s / 16934ms input / output No data | GLM-5.2 speed / latency 38 tok/s / 17083ms input / output No data |
GLM-5.1 glm-5.1 speed / latency No data input / output $0/M/$0/M | GLM-5.2 glm-5.2 speed / latency No data input / output $0/M/$0/M | |
GLM-5.1 glm-5.1 speed / latency No data input / output $0/M/$0/M | GLM-5.2 glm-5.2 speed / latency No data input / output $0/M/$0/M | |
GLM-5.1 glm-5.1 speed / latency No data input / output $0/M/$0/M | GLM-5.2 glm-5.2 speed / latency No data input / output $0.096/M/$0.301/M | |
GLM-5.1 GLM-5.1-免费 speed / latency No data input / output $0.0030/request | GLM-5.2 glm-5.2 speed / latency No data input / output $75.00/M/$75.00/M | |
GLM-5.1 ZhipuAI/GLM-5.1 speed / latency No data input / output $0.0068/request | GLM-5.2 glm-5.2 speed / latency No data input / output $0.219/M/$0.767/M |
Weighted outcome: GLM-5.2. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
