Data points: 84
The readout for DeepSeek V4 Pro and Gemini 3 Flash Preview, before the detailed comparison sheet.
Decision read
DeepSeek V4 Pro
DeepSeek V4 Pro currently has the stronger profile, with verified wins split 4 to 0.
Evidence depth
84 data points
Includes 11 benchmark rows, 0 audit samples, and 5 provider examples.
Selection signal
Start with DeepSeek V4 Pro
The charts below split 16 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 Pro vs Gemini 3 Flash Previewdeepseek-v4-pro-vs-gemini-3-flash-preview | Model A DeepSeek V4 Pro | Model B Gemini 3 Flash Preview |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 0 wins |
| Where it leads | Cheapest input price, 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 Pro
72.6
Avg. score
Gemini 3 Flash Preview
71
Selected category
Reasoning
Gemini 3 Flash Preview leads by 8.9
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
DeepSeek V4 Pro
63.9 tok/s
Rank #77/113 · confidence 4
Gemini 3 Flash Preview
winner208.1 tok/s
Rank #11/113 · confidence 4
DeepSeek V4 Pro
winner1.10 s
Rank #49/113 · confidence 4
Gemini 3 Flash Preview
5.75 s
Rank #91/113 · confidence 4
DeepSeek V4 Pro
32.26 s
Rank #92/113 · confidence 4
Gemini 3 Flash Preview
winner5.75 s
Rank #57/113 · confidence 4
DeepSeek V4 Pro
winner$0.870/M
Rank #31/138 · confidence 4
Gemini 3 Flash Preview
$3.00/M
Rank #72/138 · confidence 4
DeepSeek V4 Pro
winner$0.544/M
Rank #40/138 · confidence 4
Gemini 3 Flash Preview
$1.13/M
Rank #70/138 · confidence 4
DeepSeek V4 Pro
winner$0.435/M
Rank #55/138 · confidence 4
Gemini 3 Flash Preview
$0.500/M
Rank #58/138 · confidence 4
DeepSeek V4 Pro
87.5%
Rank #7/113 · confidence 2 · eval date 2026-04-24
Gemini 3 Flash Preview
winner89.0%
Rank #2/113 · confidence 4
DeepSeek V4 Pro
winner90.5%
Rank #10/152 · confidence 4
Gemini 3 Flash Preview
89.8%
Rank #12/152 · confidence 4
DeepSeek V4 Pro
33.5%
Rank #13/150 · confidence 4
Gemini 3 Flash Preview
winner34.7%
Rank #11/150 · confidence 4
DeepSeek V4 Pro
winner93.5%
Rank #1/108 · confidence 2 · eval date 2026-04-24
Gemini 3 Flash Preview
90.8%
Rank #3/108 · confidence 4
DeepSeek V4 Pro
46.4%
Rank #20/149 · confidence 4
Gemini 3 Flash Preview
winner50.6%
Rank #8/149 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek V4 Pro | Gemini 3 Flash Preview |
|---|---|---|
| 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 | DeepSeek V4 Pro | Gemini 3 Flash Preview |
|---|---|---|
0 tests | DeepSeek V4 Pro deepseek-v4-pro speed / latency N/A / N/A input / output $75.00/M / $75.00/M |
This report only uses LMSpeed data for DeepSeek V4 Pro and Gemini 3 Flash Preview: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | DeepSeek V4 Pro | Gemini 3 Flash Preview |
|---|---|---|
| When to choose each model | DeepSeek V4 Pro DeepSeek V4 Pro is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | Gemini 3 Flash Preview Gemini 3 Flash Preview does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: DeepSeek V4 Pro leads across 84 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from DeepSeek V4 Pro vs Gemini 3 Flash Preview into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | DeepSeek V4 Pro exposes 1.0M tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. | Gemini 3 Flash Preview exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. |
|---|---|---|
| Developer | DeepSeek | |
| Context window | 1.0M tokens | 1.0M tokens |
| Max output | 384K tokens | 65.5K tokens |
| Released | Apr 2026 | No data |
| Modalities | Input Text Output Text | Input TextImageFileAudiovideo Output Text |
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | DeepSeek | Gemini |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | deepseek/deepseek-v4-pro | google/gemini-3-flash-preview |
| References | No data | No data |
Gemini 3 Flash Preview
gemini-3-flash-preview-免费
speed / latency
N/A / N/A
input / output
$15.00/M / $15.00/M
Nova AI0 tests | DeepSeek V4 Pro deepseek-v4-pro speed / latency N/A / N/A input / output $2.10/M / $4.20/M | Gemini 3 Flash Preview [次]gemini-3-flash-preview speed / latency N/A / N/A input / output $0.020/M / $0.020/M |
|---|
Sliam0 tests | DeepSeek V4 Pro deepseek-v4-pro speed / latency N/A / N/A input / output $75.00/M / $75.00/M | Gemini 3 Flash Preview 假流式-gemini-3-flash-preview speed / latency N/A / N/A input / output $75.00/M / $75.00/M |
|---|
北极星星0 tests | DeepSeek V4 Pro speed / latency N/A / N/A input / output No data | Gemini 3 Flash Preview speed / latency N/A / N/A input / output No data |
|---|
情酱的API站0 tests | DeepSeek V4 Pro speed / latency N/A / N/A input / output No data | Gemini 3 Flash Preview speed / latency N/A / N/A input / output No data |
|---|
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
