Data points: 178
Model compare
The readout for DeepSeek V4 Flash 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 46.7 to 53.3.
Evidence depth
178 data points
Includes 41 benchmark rows, 6 audit samples, and 9 provider examples.
Selection signal
Start with GLM-5.2
The charts below split 56 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 DeepSeek V4 Flash and GLM-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | DeepSeek V4 Flash | GLM-5.2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 46.7 pts | 53.3 pts |
| Benchmark category leads | 2 categories | 4 categories |
| Operational advantages | Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage | No data |
| Context window | 1.0M tokens | 1.0M tokens |
| Max output | 393.2K 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 | DeepSeek V4 Flash | GLM-5.2 |
|---|---|---|
| Developer | DeepSeek | Z.ai |
| Released | Apr 2026 | Jun 2026 |
| Parameters | No data | No data |
| Tokenizer | DeepSeek | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | deepseek/deepseek-v4-flash | z-ai/glm-5.2 |
| References | No data | No data |
This report only uses LMSpeed data for DeepSeek V4 Flash and GLM-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
DeepSeek V4 Flash
DeepSeek V4 Flash is stronger in benchmark categories (Reasoning, Instruction following) and operational dimensions (Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage).
GLM-5.2
GLM-5.2 leads these benchmark categories: Agents, Coding, Knowledge, Math.
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
DeepSeek V4 Flash
47.2
Avg. score
GLM-5.2
59.1
GLM-5.2 leads by 12.6
GLM-5.2 leads by 4.3
DeepSeek V4 Flash leads by 0.1
GLM-5.2 leads by 20.2
GLM-5.2 leads by 34.1
No data
No data
DeepSeek V4 Flash leads by 0.1
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
DeepSeek V4 Flash
56.0
Rank #48/91 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner70.0
Rank #16/91 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
winner$0.280/M
Rank #7/170 · confidence 4
GLM-5.2
$4.40/M
Rank #103/170 · confidence 4
DeepSeek V4 Flash
winner$0.175/M
Rank #12/170 · confidence 4
GLM-5.2
$2.15/M
Rank #110/170 · confidence 4
DeepSeek V4 Flash
winner$0.140/M
Rank #18/170 · confidence 4
GLM-5.2
$1.40/M
Rank #122/170 · confidence 4
DeepSeek V4 Flash
7.1
Rank #33/78 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner20.9
Rank #10/78 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
27.8%
Rank #42/194 · confidence 4
GLM-5.2
winner40.1%
Rank #14/194 · confidence 4
DeepSeek V4 Flash
63.0
Rank #57/94 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner71.3
Rank #15/94 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
86.7%
Rank #41/195 · confidence 4
GLM-5.2
winner89.5%
Rank #28/195 · confidence 4
DeepSeek V4 Flash
winner54.2
Rank #1/11 · confidence 2 · eval date 2026-07-31
GLM-5.2
48.9
Rank #2/11 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
35.6
Rank #10/13 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner50.8
Rank #5/13 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
56.9
Rank #26/31 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner81.0
Rank #7/31 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
52.6
Rank #37/43 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner62.1
Rank #10/43 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
56.2
Rank #26/64 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner68.8
Rank #17/64 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
42.0%
Rank #57/192 · confidence 4
GLM-5.2
winner50.5%
Rank #18/192 · confidence 4
DeepSeek V4 Flash
44.9
Rank #45/101 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner50.5
Rank #22/101 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
46.8
Rank #52/72 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner50.4
Rank #43/72 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
winner94.8
Rank #3/15 · confidence 2 · eval date 2026-07-31
GLM-5.2
92.5
Rank #6/15 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
winner81.6
Rank #6/58 · confidence 2 · eval date 2026-07-31
GLM-5.2
81.4
Rank #7/58 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
winner50.0
Rank #1/9 · confidence 2 · eval date 2026-07-31
GLM-5.2
44.4
Rank #3/9 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
winner95.8
Rank #1/95 · confidence 2 · eval date 2026-07-31
GLM-5.2
28.1
Rank #89/95 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
60.1
Rank #46/61 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner82.4
Rank #11/61 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
88.1
Rank #19/26 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner91.2
Rank #12/26 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
32.1
Rank #30/101 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner40.1
Rank #13/101 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
40.3
Rank #31/104 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner51.1
Rank #13/104 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
89.4
Rank #30/101 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner89.5
Rank #29/101 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
winner37.2
Rank #37/95 · confidence 2 · eval date 2026-07-31
GLM-5.2
25.1
Rank #62/95 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
1233.0
Rank #36/69 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner1341.0
Rank #2/69 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
winner79.2
Rank #5/86 · confidence 2 · eval date 2026-07-31
GLM-5.2
73.3
Rank #26/86 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
95.0
Rank #21/84 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner99.1
Rank #1/84 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
81.3
Rank #14/17 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner91.0
Rank #6/17 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
31.5
Rank #11/12 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner42.7
Rank #6/12 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
833.0
Rank #16/18 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner1254.0
Rank #8/18 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
69.0
Rank #18/27 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner76.8
Rank #8/27 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
56.9
Rank #36/51 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner81.0
Rank #8/51 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
22.9
Rank #15/17 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner26.8
Rank #9/17 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
39.6
Rank #13/17 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner42.7
Rank #10/17 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
1189.0
Rank #25/60 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner1510.0
Rank #10/60 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
34.4
Rank #25/55 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner50.5
Rank #10/55 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
31.1
Rank #20/60 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner43.1
Rank #12/60 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
47.8
Rank #13/22 · confidence 2 · eval date 2026-07-31
GLM-5.2
winner48.2
Rank #12/22 · confidence 2 · eval date 2026-06-16
DeepSeek V4 Flash
46.7
Rank #44/60 · confidence 2 · eval date 2026-07-31
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 | DeepSeek V4 Flash | GLM-5.2 |
|---|---|---|
Xinjianya APIWinner: GLM-5.2 | DeepSeek V4 Flash deepseek-ai/deepseek-v4-flash No audit yet | GLM-5.2 z-ai/glm-5.2 Audit score 96 10084100100 |
AutoRouterWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 93 1008486100 | GLM-5.2 glm-5.2 No audit yet |
PICO APIWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 92 10068100100 | GLM-5.2 glm-5.2 No audit yet |
向量引擎Winner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 92 1008484100 | GLM-5.2 glm-5.2 No audit yet |
速创APIWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 92 10068100100 | GLM-5.2 glm-5.2 No audit yet |
YUNWU APIWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 85 846886100 | GLM-5.2 glm-5.2 No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | DeepSeek V4 Flash | GLM-5.2 |
|---|---|---|
OpenCode140 tests | DeepSeek V4 Flash speed / latency 69 tok/s / 17982ms input / output No data | GLM-5.2 speed / latency 62 tok/s / 8564ms input / output No data |
NVIDIA NIM75 tests | DeepSeek V4 Flash speed / latency 24 tok/s / 13618ms input / output No data | GLM-5.2 speed / latency 49 tok/s / 1704ms input / output No data |
Ollama60 tests | DeepSeek V4 Flash speed / latency N/A / N/A input / output No data | GLM-5.2 speed / latency 91 tok/s / 6210ms input / output No data |
火山引擎 Ark35 tests | DeepSeek V4 Flash speed / latency 73 tok/s / 3161ms input / output No data | GLM-5.2 speed / latency 48 tok/s / 7975ms input / output No data |
SiliconFlow30 tests | DeepSeek V4 Flash speed / latency 45 tok/s / 9731ms input / output No data | GLM-5.2 speed / latency 52 tok/s / 10991ms input / output No data |
DeepSeek V4 Flash deepseek-ai/deepseek-v4-flash speed / latency No data input / output $0/request | GLM-5.2 glm-5.2 speed / latency No data input / output $0.200/request | |
DeepSeek V4 Flash deepseek-v4-flash speed / latency No data input / output $0.012/M/$0.023/M | GLM-5.2 glm-5.2 speed / latency No data input / output $0/M/$0/M | |
DeepSeek V4 Flash deepseek-v4-flash 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 | |
DeepSeek V4 Flash deepseek-v4-flash 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 |
Weighted outcome: GLM-5.2. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
