Data points: 86
The readout for DeepSeek V4 Flash and GLM-5.2, before the detailed comparison sheet.
Decision read
DeepSeek V4 Flash
DeepSeek V4 Flash currently has the stronger profile, with verified wins split 6 to 0.
Evidence depth
86 data points
Includes 0 benchmark rows, 4 audit samples, and 8 provider examples.
Selection signal
Start with DeepSeek V4 Flash
The charts below split 12 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.
Model compare DeepSeek V4 Flash vs GLM-5.2deepseek-v4-flash-vs-glm-5-2 | Model A DeepSeek V4 Flash | Model B GLM-5.2 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 6 wins | 0 wins |
| Where it leads | Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage, Recent tests |
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
68.6
Avg. score
GLM-5.2
-
Selected category
Agents
DeepSeek V4 Flash
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
No shared professional benchmark scores are available yet.
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek V4 Flash | GLM-5.2 |
|---|---|---|
Winner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 84 78 |
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 |
|---|---|---|
25 tests | DeepSeek V4 Flash speed / latency 45 tok/s / 9731ms input / output 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.
| Guidance | DeepSeek V4 Flash | GLM-5.2 |
|---|---|---|
| When to choose each model | DeepSeek V4 Flash DeepSeek V4 Flash is stronger when you prioritize Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage, Recent tests. | GLM-5.2 GLM-5.2 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: DeepSeek V4 Flash leads across 86 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from DeepSeek V4 Flash vs GLM-5.2 into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | DeepSeek V4 Flash exposes 1.0M tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. | GLM-5.2 exposes 1.0M tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. |
|---|---|---|
| Developer | DeepSeek | Zhipu AI |
| Context window | 1.0M tokens | 1.0M tokens |
| Max output | 65.5K tokens | 262.1K tokens |
| Released | Apr 2026 | Jun 2026 |
| Modalities | Input Text Output Text | Input Text Output Text |
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON modeReasoning |
| 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 |
GLM-5.2 glm-5.2 No audit yet |
小水管 APIWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 81 727280100 | GLM-5.2 glm-5.2 No audit yet |
|---|
TokenessWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 79 648468100 | GLM-5.2 glm-5.2 No audit yet |
|---|
VSLLMWinner: GLM-5.2 | DeepSeek V4 Flash deepseek-v4-flash-free No audit yet | GLM-5.2 glm-5.2 Audit score 79 698463100 |
|---|
GLM-5.2
speed / latency
N/A / N/A
input / output
No data
小水管 API20 tests | DeepSeek V4 Flash sensenova/deepseek-v4-flash speed / latency 83 tok/s / 5114ms input / output $0/M / $0/M | GLM-5.2 glm-5.2 speed / latency N/A / N/A input / output $0/M / $0/M |
|---|
天云港模型开放平台10 tests | DeepSeek V4 Flash speed / latency 69 tok/s / 4591ms input / output No data | GLM-5.2 speed / latency 47 tok/s / 15698ms input / output No data |
|---|
OpenRouter5 tests | DeepSeek V4 Flash speed / latency 88 tok/s / 3315ms input / output No data | GLM-5.2 speed / latency N/A / N/A input / output No data |
|---|
Tokeness5 tests | DeepSeek V4 Flash speed / latency 73 tok/s / 2520ms input / output No data | GLM-5.2 speed / latency N/A / N/A input / output No data |
|---|
DeepSeek V4 Flash deepseek-v4-flash-free speed / latency No data input / output $0.0007/M / $0.0007/M | GLM-5.2 glm-5.2 speed / latency No data input / output $0.036/M / $0.036/M |
DeepSeek V4 Flash deepseek-v4-flash speed / latency No data input / output $0.0012/M / $0.0012/M | GLM-5.2 glm-5.2 speed / latency No data input / output $1.10/M / $3.84/M |
DeepSeek V4 Flash deepseek-v4-flash speed / latency No data input / output $0.025/M / $0.058/M | GLM-5.2 glm-5.2 speed / latency No data input / output $0.027/M / $0.027/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
