Data points: 104
Model compare
The readout for GLM-5 and GPT-5, before the detailed comparison sheet.
Weighted outcome: GPT-5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5
GPT-5 has the higher weighted result; Model A / B score 17.3 to 82.7.
Evidence depth
104 data points
Includes 19 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Start with GPT-5
The charts below split 26 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: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GLM-5 | GPT-5 |
|---|---|---|
| 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 | 400K 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 |
|---|---|---|
| Developer | Z.ai | OpenAI |
| Released | Feb 2026 | Aug 2025 |
| Parameters | No data | No data |
| Tokenizer | Other | GPT |
| Knowledge cutoff | No data | 2024-09-30 |
| OpenRouter ID | z-ai/glm-5 | openai/gpt-5 |
| References | No data | No data |
This report only uses LMSpeed data for GLM-5 and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GLM-5
GLM-5 is stronger in benchmark categories (Coding) and operational dimensions (Provider coverage).
GPT-5
GPT-5 is stronger in benchmark categories (Agents, Reasoning, Knowledge, Math, Instruction following) 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
47.8
Avg. score
GPT-5
51.9
GPT-5 leads by 3.1
GLM-5 leads by 2.6
GPT-5 leads by 2.5
GPT-5 leads by 6.6
GPT-5 leads by 10.5
GLM-5
No data
GPT-5 leads by 0.5
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GLM-5
winner$3.20/M
Rank #89/162 · confidence 4
GPT-5
$10.00/M
Rank #120/162 · confidence 4
GLM-5
winner$1.55/M
Rank #93/162 · confidence 4
GPT-5
$3.44/M
Rank #117/162 · confidence 4
GLM-5
winner$1.00/M
Rank #98/162 · confidence 4
GPT-5
$1.25/M
Rank #107/162 · confidence 4
GLM-5
63.3
Rank #52/89 · confidence 4 · eval date 2026-03-01
GPT-5
winner75.6
Rank #2/89 · confidence 1 · eval date 2025-08-07
GLM-5
winner85.7%
Rank #23/125 · confidence 4 · eval date 2026-03-01
GPT-5
80.6%
Rank #57/125 · confidence 4
GLM-5
2.0
Rank #46/73 · confidence 4 · eval date 2026-03-01
GPT-5
winner5.7
Rank #30/73 · confidence 1 · eval date 2025-08-07
GLM-5
winner27.2%
Rank #38/187 · confidence 4
GPT-5
5.4%
Rank #132/187 · confidence 4
GLM-5
winner82.0%
Rank #67/188 · confidence 4
GPT-5
67.3%
Rank #121/188 · confidence 4
GLM-5
winner23.4
Rank #19/33 · confidence 1 · eval date 2026-03-01
GPT-5
20.1
Rank #22/33 · confidence 1 · eval date 2025-08-07
GLM-5
winner46.2%
Rank #32/185 · confidence 4
GPT-5
38.8%
Rank #83/185 · confidence 4
GLM-5
winner46.2
Rank #36/96 · confidence 4 · eval date 2026-03-01
GPT-5
42.9
Rank #46/96 · confidence 1 · eval date 2025-08-07
GLM-5
26.9
Rank #48/90 · confidence 4 · eval date 2026-03-01
GPT-5
winner40.7
Rank #20/90 · confidence 1 · eval date 2025-08-07
GLM-5
34.0
Rank #80/90 · confidence 4 · eval date 2026-03-01
GPT-5
winner82.1
Rank #31/90 · confidence 1 · eval date 2025-08-07
GLM-5
winner39.5
Rank #34/99 · confidence 4 · eval date 2026-03-01
GPT-5
34.7
Rank #48/99 · confidence 1 · eval date 2025-08-07
GLM-5
winner27.2
Rank #37/96 · confidence 4 · eval date 2026-03-01
GPT-5
26.5
Rank #39/96 · confidence 1 · eval date 2025-08-07
GLM-5
82.0
Rank #56/96 · confidence 4 · eval date 2026-03-01
GPT-5
winner85.4
Rank #45/96 · confidence 1 · eval date 2025-08-07
GLM-5
winner1274.0
Rank #23/66 · confidence 4 · eval date 2026-03-01
GPT-5
1209.0
Rank #40/66 · confidence 1 · eval date 2025-08-07
GLM-5
72.3
Rank #33/86 · confidence 4 · eval date 2026-03-01
GPT-5
winner73.1
Rank #29/86 · confidence 1 · eval date 2025-08-07
GLM-5
winner98.2
Rank #6/84 · confidence 4 · eval date 2026-03-01
GPT-5
84.8
Rank #44/84 · confidence 1 · eval date 2025-08-07
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GLM-5 | GPT-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 | GPT-5 |
|---|---|---|
20 tests | GLM-5 GLM-5 speed / latency N/A / N/A input / output $0.040/request | GPT-5 gpt-5-chat-latest speed / latency 95 tok/s / 1234ms input / output $2.50/M/$20.00/M |
10 tests | GLM-5 speed / latency 41 tok/s / 18111ms input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
10 tests | GLM-5 speed / latency 23 tok/s / 39702ms input / output No data | GPT-5 speed / latency 38 tok/s / 15844ms input / output No data |
5 tests | GLM-5 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 45 tok/s / 3704ms input / output No data |
5 tests | GLM-5 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 46 tok/s / 6577ms input / output No data |
GLM-5 glm-5 speed / latency No data input / output $0.068/M/$0.219/M | GPT-5 gpt-5 speed / latency No data input / output $0.086/M | |
GLM-5 GLM-5 speed / latency No data input / output $0.040/request | GPT-5 gpt-5 speed / latency No data input / output $2.50/M |
Weighted outcome: GPT-5. 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 |
|---|
