Data points: 149
Model compare
The readout for GLM-5 and GPT-5.4, before the detailed comparison sheet.
Weighted outcome: GPT-5.4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5.4
GPT-5.4 has the higher weighted result; Model A / B score 0 to 100.
Evidence depth
149 data points
Includes 37 benchmark rows, 2 audit samples, and 9 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 48 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 and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GLM-5 | GPT-5.4 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 0.0 pts | 100.0 pts |
| Benchmark category leads | 0 categories | 6 categories |
| Operational advantages | No data | Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage |
| Context window | 204.8K tokens | 1.1M tokens |
| Max output | 131.1K tokens | 128K 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 | GPT-5.4 |
|---|---|---|
| Developer | Z.ai | OpenAI |
| Released | Feb 2026 | Mar 2026 |
| Parameters | No data | No data |
| Tokenizer | Other | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | z-ai/glm-5 | openai/gpt-5.4 |
| References | No data | No data |
This report only uses LMSpeed data for GLM-5 and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GLM-5
GLM-5 does not clearly lead in the benchmark or operational dimensions shared by both models.
GPT-5.4
GPT-5.4 is stronger in benchmark categories (Agents, Coding, Reasoning, Knowledge, Math) and operational dimensions (Cheapest input price, Average speed, First-token latency, Free providers, 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
47.8
Avg. score
GPT-5.4
57.4
GPT-5.4 leads by 13.9
GPT-5.4 leads by 11.3
GPT-5.4 leads by 7.3
GPT-5.4 leads by 16.6
GPT-5.4 leads by 6.5
GLM-5
GPT-5.4
GPT-5.4 leads by 1.7
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GLM-5
63.0
Rank #25/84 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner67.0
Rank #19/84 · confidence 3 · eval date 2026-03-05
GLM-5
winner$3.20/M
Rank #89/162 · confidence 4
GPT-5.4
$15.00/M
Rank #136/162 · confidence 4
GLM-5
winner$1.55/M
Rank #93/162 · confidence 4
GPT-5.4
$5.63/M
Rank #135/162 · confidence 4
GLM-5
winner$1.00/M
Rank #98/162 · confidence 4
GPT-5.4
$2.50/M
Rank #131/162 · confidence 4
GLM-5
63.3
Rank #52/89 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner74.0
Rank #6/89 · confidence 3 · eval date 2026-03-05
GLM-5
2.0
Rank #46/73 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner23.4
Rank #7/73 · confidence 3 · eval date 2026-03-05
GLM-5
winner81.2
Rank #12/25 · confidence 4 · eval date 2026-03-01
GPT-5.4
78.9
Rank #16/25 · confidence 3 · eval date 2026-03-05
GLM-5
winner27.2%
Rank #38/187 · confidence 4
GPT-5.4
10.6%
Rank #91/187 · confidence 4
GLM-5
winner82.0%
Rank #67/188 · confidence 4
GPT-5.4
74.8%
Rank #96/188 · confidence 4
GLM-5
74.8
Rank #8/12 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner85.3
Rank #1/12 · confidence 3 · eval date 2026-03-05
GLM-5
23.4
Rank #19/33 · confidence 1 · eval date 2026-03-01
GPT-5.4
winner67.4
Rank #3/33 · confidence 3 · eval date 2026-03-05
GLM-5
46.2
Rank #36/96 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner56.6
Rank #4/96 · confidence 3 · eval date 2026-03-05
GLM-5
55.1
Rank #27/37 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner57.7
Rank #15/37 · confidence 3 · eval date 2026-03-05
GLM-5
winner59.4
Rank #16/65 · confidence 4 · eval date 2026-03-01
GPT-5.4
42.4
Rank #53/65 · confidence 3 · eval date 2026-03-05
GLM-5
46.2%
Rank #32/185 · confidence 4
GPT-5.4
winner47.1%
Rank #24/185 · confidence 4
GLM-5
16.4
Rank #31/47 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner47.6
Rank #7/47 · confidence 3 · eval date 2026-03-05
GLM-5
2.1
Rank #30/35 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner27.1
Rank #8/35 · confidence 3 · eval date 2026-03-05
GLM-5
57.2
Rank #25/56 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner65.9
Rank #17/56 · confidence 3 · eval date 2026-03-05
GLM-5
27.2
Rank #37/96 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner41.6
Rank #8/96 · confidence 3 · eval date 2026-03-05
GLM-5
86.0
Rank #23/24 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner92.8
Rank #8/24 · confidence 3 · eval date 2026-03-05
GLM-5
26.9
Rank #48/90 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner50.0
Rank #9/90 · confidence 3 · eval date 2026-03-05
GLM-5
39.5
Rank #34/99 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner51.4
Rank #10/99 · confidence 3 · eval date 2026-03-05
GLM-5
82.0
Rank #56/96 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner92.0
Rank #11/96 · confidence 3 · eval date 2026-03-05
GLM-5
winner77.9
Rank #14/55 · confidence 4 · eval date 2026-03-01
GPT-5.4
77.3
Rank #16/55 · confidence 3 · eval date 2026-03-05
GLM-5
34.0
Rank #80/90 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner88.6
Rank #18/90 · confidence 3 · eval date 2026-03-05
GLM-5
2.0
Rank #26/29 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner5.7
Rank #18/29 · confidence 3 · eval date 2026-03-05
GLM-5
winner1278.0
Rank #23/66 · confidence 4 · eval date 2026-03-01
GPT-5.4
1250.0
Rank #31/66 · confidence 3 · eval date 2026-03-05
GLM-5
72.3
Rank #33/86 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner73.9
Rank #24/86 · confidence 3 · eval date 2026-03-05
GLM-5
43.2
Rank #11/11 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner79.0
Rank #4/11 · confidence 3 · eval date 2026-03-05
GLM-5
51.0
Rank #21/50 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner64.9
Rank #4/50 · confidence 3 · eval date 2026-03-05
GLM-5
38.0
Rank #17/21 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner54.6
Rank #5/21 · confidence 3 · eval date 2026-03-05
GLM-5
winner98.2
Rank #6/84 · confidence 4 · eval date 2026-03-01
GPT-5.4
87.1
Rank #37/84 · confidence 3 · eval date 2026-03-05
GLM-5
14.5
Rank #18/24 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner33.3
Rank #7/24 · confidence 3 · eval date 2026-03-05
GLM-5
56.2
Rank #33/46 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner75.1
Rank #12/46 · confidence 3 · eval date 2026-03-05
GLM-5
57.7
Rank #20/28 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner60.3
Rank #13/28 · confidence 3 · eval date 2026-03-05
GLM-5
31.1
Rank #22/23 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner70.6
Rank #13/23 · confidence 3 · eval date 2026-03-05
GLM-5
43.9
Rank #39/53 · confidence 4 · eval date 2026-03-01
GPT-5.4
winner74.7
Rank #14/53 · confidence 3 · eval date 2026-03-05
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GLM-5 | GPT-5.4 |
|---|---|---|
Winner: GPT-5.4 | GLM-5 glm-5 No audit yet | GPT-5.4 gpt-5.4 Audit score 100 100100100100 |
Winner: GPT-5.4 | GLM-5 glm-5 No audit yet | GPT-5.4 gpt-5.4 Audit score 93 1008486100 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GLM-5 | GPT-5.4 |
|---|---|---|
125 tests | GLM-5 speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 49 tok/s / 6084ms input / output No data |
50 tests | GLM-5 speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 50 tok/s / 7305ms input / output No data |
25 tests | GLM-5 speed / latency 23 tok/s / 39702ms input / output No data | GPT-5.4 speed / latency 49 tok/s / 5435ms input / output No data |
15 tests | GLM-5 speed / latency N/A / N/A input / output No data | GPT-5.4 speed / latency 41 tok/s / 6581ms input / output No data |
15 tests | GLM-5 speed / latency 43 tok/s / 24098ms input / output No data | GPT-5.4 speed / latency N/A / N/A input / output No data |
GLM-5 glm-5 speed / latency No data input / output $0/M/$0/M | GPT-5.4 gpt-5.4 speed / latency No data input / output $0/M | |
GLM-5 glm-5 speed / latency No data input / output $0.068/M/$0.219/M | GPT-5.4 gpt-5.4 speed / latency No data input / output $0.171/M | |
GLM-5 GLM-5 speed / latency No data input / output $0.040/request | GPT-5.4 gpt-5.4-low speed / latency No data input / output $5.00/M | |
GLM-5 GLM-5 speed / latency No data input / output $0.040/request | GPT-5.4 gpt-5.4-medium speed / latency No data input / output $5.00/M |
Weighted outcome: GPT-5.4. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
