Model comparison · text
DeepSeek-V3 vs DeepSeek-V4-Flash
Symmetrical, primary-source facts with unknown values left visible. No winner is assigned without comparable measurements.
FieldAt a glance
DeepSeek · activeDeepSeek-V3Verified Aug 28, 2026
DeepSeek · activeDeepSeek-V4-FlashVerified Aug 28, 2026
Technical differences
Side-by-side facts
| Field | DeepSeek-V3 | DeepSeek-V4-Flash |
|---|---|---|
| Developer | DeepSeek | DeepSeek |
| Family | Deepseek V3 | Deepseek V4 Flash |
| Model | DeepSeek-V3 | DeepSeek-V4-Flash |
| Version | DeepSeek-V3 | DeepSeek-V4-Flash |
| Lifecycle | active | active |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 163840 | 1048576 |
| Total parameters | 684531386000 | 290944616402 |
| Active parameters | 37000000000 | 13000000000 |
| License | Unknown | mit |
| Open weights | Yes | Yes |
| API available | Yes | Yes |
| Self-hostable | Yes | Yes |
| Capabilities | chat, generation | chat, generation, reasoning |
14 comparable fields · 7 material differences · Pair passes the primary-source comparison gate
Primary benchmark evidence
Comparable performance
No protocol-matched benchmark yet.Results appear here only when both models share the same benchmark version, metric, evaluation protocol, and evidence class.
DeepSeek-V3 capabilities
Input price—
Output price—
Serving providers0
Canonical IDdeepseek-ai/DeepSeek-V3
DeepSeek-V4-Flash capabilities
Input price$0.0868
Output price$0.1736
Serving providers1
Canonical IDdeepseek-ai/DeepSeek-V4-Flash
Internal comparison graph
Related comparisons
Primary evidence