Data points: 45
The readout for DeepSeek V2.5 and DeepSeek V3, before the detailed comparison sheet.
Decision read
DeepSeek V3
DeepSeek V3 currently has the stronger profile, with verified wins split 1 to 5.
Evidence depth
45 data points
Includes 1 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with DeepSeek V3
The charts below split 7 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 V2.5 vs DeepSeek V3deepseek-v2-5-vs-deepseek-v3 | Model A DeepSeek V2.5 | Model B DeepSeek V3 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 1 wins | 5 wins |
| Where it leads | First-token latency | Cheapest input price, Average speed, 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 V2.5
76.3
Avg. score
DeepSeek V3
52.7
Selected category
Math
DeepSeek V2.5 leads by 19.3
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
DeepSeek V2.5
76.3%
Rank #35/38 · confidence 4
DeepSeek V3
winner88.7%
Rank #22/38 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek V2.5 | DeepSeek V3 |
|---|---|---|
| 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 V2.5 | DeepSeek V3 |
|---|---|---|
40 tests | DeepSeek V2.5 speed / latency 16 tok/s / 964ms input / output No data |
This report only uses LMSpeed data for DeepSeek V2.5 and DeepSeek V3: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | DeepSeek V2.5 | DeepSeek V3 |
|---|---|---|
| When to choose each model | DeepSeek V2.5 DeepSeek V2.5 is stronger when you prioritize First-token latency. | DeepSeek V3 DeepSeek V3 is stronger when you prioritize Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests. |
TL;DR: DeepSeek V3 leads across 45 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from DeepSeek V2.5 vs DeepSeek V3 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | No OpenRouter metadata is available yet for this model. | No OpenRouter metadata is available yet for this model. |
|---|---|---|
| Developer | DeepSeek | No data |
| Context window | No data | No data |
| Max output | No data | No data |
| Released | No data | No data |
| Modalities | No data | No data |
| Features | None listed | None listed |
| Parameters | No data | No data |
| Tokenizer | No data | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | No data | No data |
| References | No data | No data |
DeepSeek V3
speed / latency
15 tok/s / 2662ms
input / output
No data
IXIOCCAPI0 tests | DeepSeek V2.5 deepseek-ai/DeepSeek-V2.5 speed / latency N/A / N/A input / output $1.00/M / $0.500/M | DeepSeek V3 deepseek-v3-0324 speed / latency N/A / N/A input / output $75.00/M / $75.00/M |
|---|
OpenRouter Fans0 tests | DeepSeek V2.5 speed / latency N/A / N/A input / output No data | DeepSeek V3 speed / latency N/A / N/A input / output No data |
|---|
Synapse0 tests | DeepSeek V2.5 speed / latency N/A / N/A input / output No data | DeepSeek V3 speed / latency N/A / N/A input / output No data |
|---|
WAADRI0 tests | DeepSeek V2.5 deepseek-ai/DeepSeek-V2.5 speed / latency N/A / N/A input / output $0.190/M / $0.190/M | DeepSeek V3 DeepSeek-V3 speed / latency N/A / N/A input / output $2.00/M / $2.00/M |
|---|
DeepSeek V2.5 deepseek-ai/DeepSeek-V2.5 speed / latency No data input / output $0.979/M / $3.92/M | DeepSeek V3 siliconflow/deepseek-v3-0324 speed / latency No data input / output $36.71/M / $36.71/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
