Data points: 152
Model compare
The readout for GLM-5.1 and Kimi K2.5, before the detailed comparison sheet.
Weighted outcome: GLM-5.1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GLM-5.1
GLM-5.1 has the higher weighted result; Model A / B score 68.7 to 31.3.
Evidence depth
152 data points
Includes 43 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with GLM-5.1
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 Kimi K2.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GLM-5.1 | Kimi K2.5 |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 68.7 pts | 31.3 pts |
| Benchmark category leads | 5 categories | 1 categories |
| Operational advantages | No data | Cheapest input price, Average speed, First-token latency, Provider coverage |
| Context window | 204.8K tokens | 262.1K tokens |
| Max output | 128K tokens | 262.1K tokens |
| Modalities | Input Text Output Text | Input Text |
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 | Kimi K2.5 |
|---|---|---|
| Developer | Z.ai | MoonshotAI |
| Released | Apr 2026 | Jan 2026 |
| Parameters | No data | No data |
| Tokenizer | Other | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | z-ai/glm-5.1 | moonshotai/kimi-k2.5 |
| References | No data | No data |
This report only uses LMSpeed data for GLM-5.1 and Kimi K2.5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GLM-5.1
GLM-5.1 leads these benchmark categories: Agents, Coding, Knowledge, Math, Instruction following.
Kimi K2.5
Kimi K2.5 is stronger in benchmark categories (Reasoning) and operational dimensions (Cheapest input price, Average speed, First-token latency, Provider coverage).
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
54.4
Avg. score
Kimi K2.5
49.7
GLM-5.1 leads by 14.0
GLM-5.1 leads by 6.1
Kimi K2.5 leads by 1.8
GLM-5.1 leads by 9.2
GLM-5.1 leads by 2.5
Kimi K2.5
Kimi K2.5
GLM-5.1 leads by 1.1
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GLM-5.1
winner63.0
Rank #25/84 · confidence 2 · eval date 2026-04-07
Kimi K2.5
56.0
Rank #41/84 · confidence 4 · eval date 2026-02-01
GLM-5.1
$1.39/M
Rank #116/162 · confidence 4
Kimi K2.5
winner$0.600/M
Rank #80/162 · confidence 4
GLM-5.1
$2.14/M
Rank #103/162 · confidence 4
Kimi K2.5
winner$1.20/M
Rank #85/162 · confidence 4
GLM-5.1
$4.40/M
Rank #97/162 · confidence 4
Kimi K2.5
winner$3.00/M
Rank #85/162 · confidence 4
GLM-5.1
winner86.8%
Rank #35/188 · confidence 4
Kimi K2.5
78.9%
Rank #79/188 · confidence 4
GLM-5.1
winner28.0%
Rank #35/187 · confidence 4
Kimi K2.5
12.3%
Rank #84/187 · confidence 4
GLM-5.1
winner4.6
Rank #37/73 · confidence 2 · eval date 2026-04-07
Kimi K2.5
3.1
Rank #41/73 · confidence 4 · eval date 2026-02-01
GLM-5.1
62.3
Rank #55/89 · confidence 2 · eval date 2026-04-07
Kimi K2.5
winner65.3
Rank #44/89 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner62.7
Rank #3/11 · confidence 2 · eval date 2026-04-07
Kimi K2.5
58.5
Rank #8/11 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner62.7
Rank #12/65 · confidence 2 · eval date 2026-04-07
Kimi K2.5
52.5
Rank #33/65 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner58.4
Rank #14/37 · confidence 2 · eval date 2026-04-07
Kimi K2.5
50.7
Rank #34/37 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner31.5
Rank #14/33 · confidence 2 · eval date 2026-04-07
Kimi K2.5
17.5
Rank #23/33 · confidence 2 · eval date 2026-02-01
GLM-5.1
43.8
Rank #42/96 · confidence 2 · eval date 2026-04-07
Kimi K2.5
winner49.0
Rank #25/96 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner55.8
Rank #27/59 · confidence 2 · eval date 2026-04-07
Kimi K2.5
46.8
Rank #35/59 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner43.8%
Rank #39/185 · confidence 4
Kimi K2.5
39.6%
Rank #76/185 · confidence 4
GLM-5.1
95.3
Rank #5/10 · confidence 2 · eval date 2026-04-07
Kimi K2.5
winner95.8
Rank #3/10 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner94.0
Rank #4/9 · confidence 2 · eval date 2026-04-07
Kimi K2.5
91.1
Rank #7/9 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner83.8
Rank #4/10 · confidence 2 · eval date 2026-04-07
Kimi K2.5
81.8
Rank #7/10 · confidence 4 · eval date 2026-02-01
GLM-5.1
82.6
Rank #14/14 · confidence 2 · eval date 2026-04-07
Kimi K2.5
winner87.1
Rank #9/14 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner12.5
Rank #16/35 · confidence 2 · eval date 2026-04-07
Kimi K2.5
4.2
Rank #22/35 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner33.4
Rank #17/47 · confidence 2 · eval date 2026-04-07
Kimi K2.5
27.9
Rank #21/47 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner64.6
Rank #18/56 · confidence 2 · eval date 2026-04-07
Kimi K2.5
62.8
Rank #20/56 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner77.6
Rank #15/55 · confidence 2 · eval date 2026-04-07
Kimi K2.5
57.4
Rank #42/55 · confidence 4 · eval date 2026-02-01
GLM-5.1
86.2
Rank #22/24 · confidence 2 · eval date 2026-04-07
Kimi K2.5
winner87.6
Rank #19/24 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner40.2
Rank #28/99 · confidence 2 · eval date 2026-04-07
Kimi K2.5
35.4
Rank #44/99 · confidence 4 · eval date 2026-02-01
GLM-5.1
28.0
Rank #35/96 · confidence 2 · eval date 2026-04-07
Kimi K2.5
winner29.4
Rank #31/96 · confidence 4 · eval date 2026-02-01
GLM-5.1
86.8
Rank #38/96 · confidence 2 · eval date 2026-04-07
Kimi K2.5
winner87.9
Rank #33/96 · confidence 4 · eval date 2026-02-01
GLM-5.1
24.2
Rank #62/90 · confidence 2 · eval date 2026-04-07
Kimi K2.5
winner34.3
Rank #37/90 · confidence 4 · eval date 2026-02-01
GLM-5.1
29.4
Rank #83/90 · confidence 2 · eval date 2026-04-07
Kimi K2.5
winner64.6
Rank #58/90 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner1305.0
Rank #11/66 · confidence 2 · eval date 2026-04-07
Kimi K2.5
1279.0
Rank #22/66 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner76.3
Rank #13/86 · confidence 2 · eval date 2026-04-07
Kimi K2.5
70.2
Rank #38/86 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner70.6
Rank #4/9 · confidence 2 · eval date 2026-04-07
Kimi K2.5
65.7
Rank #8/9 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner18.2
Rank #7/19 · confidence 2 · eval date 2026-04-07
Kimi K2.5
14.0
Rank #17/19 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner97.7
Rank #7/84 · confidence 2 · eval date 2026-04-07
Kimi K2.5
95.9
Rank #11/84 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner62.3
Rank #10/28 · confidence 2 · eval date 2026-04-07
Kimi K2.5
52.3
Rank #24/28 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner60.1
Rank #12/50 · confidence 2 · eval date 2026-04-07
Kimi K2.5
45.9
Rank #30/50 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner71.8
Rank #12/23 · confidence 2 · eval date 2026-04-07
Kimi K2.5
29.5
Rank #23/23 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner68.0
Rank #18/25 · confidence 2 · eval date 2026-04-07
Kimi K2.5
60.6
Rank #24/25 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner37.8
Rank #18/50 · confidence 2 · eval date 2026-04-07
Kimi K2.5
25.1
Rank #34/50 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner1256.0
Rank #18/55 · confidence 2 · eval date 2026-04-07
Kimi K2.5
1003.0
Rank #34/55 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner29.9
Rank #22/55 · confidence 2 · eval date 2026-04-07
Kimi K2.5
21.7
Rank #32/55 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner63.5
Rank #24/46 · confidence 2 · eval date 2026-04-07
Kimi K2.5
50.8
Rank #37/46 · confidence 4 · eval date 2026-02-01
GLM-5.1
winner48.9
Rank #34/53 · confidence 2 · eval date 2026-04-07
Kimi K2.5
29.0
Rank #45/53 · confidence 4 · eval date 2026-02-01
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GLM-5.1 | Kimi K2.5 |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GLM-5.1 | Kimi K2.5 |
|---|---|---|
145 tests | GLM-5.1 speed / latency 45 tok/s / 14244ms input / output No data | Kimi K2.5 speed / latency 45 tok/s / 2058ms input / output No data |
55 tests | GLM-5.1 speed / latency 35 tok/s / 22863ms input / output No data | Kimi K2.5 speed / latency 18 tok/s / 25450ms input / output No data |
30 tests | GLM-5.1 speed / latency 82 tok/s / 9309ms input / output No data | Kimi K2.5 speed / latency 48 tok/s / 18528ms input / output No data |
30 tests | GLM-5.1 speed / latency 22 tok/s / 9579ms input / output No data | Kimi K2.5 speed / latency 38 tok/s / 22910ms input / output No data |
20 tests | GLM-5.1 speed / latency 50 tok/s / 9040ms input / output No data | Kimi K2.5 speed / latency 45 tok/s / 14302ms input / output No data |
GLM-5.1 glm-5.1 speed / latency No data input / output $0/M/$0/M | Kimi K2.5 kimi-k2.5 speed / latency No data input / output $0.031/M | |
GLM-5.1 glm-5.1 speed / latency No data input / output $0/M/$0/M | Kimi K2.5 kimi-k2.5 speed / latency No data input / output $0.041/M | |
GLM-5.1 glm-5.1 speed / latency No data input / output $6.16/M/$6.16/M | Kimi K2.5 kimi-k2.5 speed / latency No data input / output $0.0008/request |
Weighted outcome: GLM-5.1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
