AI model matchup
DeepSeek-V4-Flash-0731 vs Seed 2.1 Pro
A side-by-side look at published capability scores, listed API pricing, speed, context, and license - to help you decide which trade-offs fit your work.
DeepSeek-V4-Flash-0731vsSeed 2.1 Pro
Seed 2.1 Pro leads the RankLLMs Index by 0.9 points (47.0 vs 46.1). Verified API Pricing: Free/Open Source (DeepSeek-V4-Flash-0731) vs $0.89 (Seed 2.1 Pro) per 1M tokens.
Capability profile
Speed duel
tpsPrice duel
$/1MShorter bar = cheaper. Blended per 1M tokens.
| Metric | DeepSeek-V4-Flash-0731 | Seed 2.1 Pro |
|---|---|---|
| RankLLMs Overall Score | 46.1 pts | 47.0 pts ▲ |
| Reasoning | 43.3 | 47.9 ▲ |
| Coding | 36.2 ▲ | 36.0 |
| Agentic Tool Use | 33.2 ▲ | 33.1 |
| Code Arena Elo | 2407 | null |
| Inference Speed | 227 tps ▲ | 50 tps |
| API Price (per 1M tokens) | Free/Open Source | $0.89 |
| Context Window | 1M | 256K |
| License | Open Source | Proprietary |
| Global Rank | #44 | #43 ▲ |
Decision notes
What the numbers suggest
Seed 2.1 Pro leads the RankLLMs overall score by 0.9 points. DeepSeek-V4-Flash-0731 has the lower listed API rate (Free/Open Source per 1M tokens).
Treat the overall index as a starting point, then prioritize the benchmark that resembles your task. Published scores and provider pricing can change; this comparison does not represent a first-party test of either model.
- Overall index
- Seed 2.1 Pro leads
- 46.1 to 47.0 pts
- Coding score
- DeepSeek-V4-Flash-0731 leads
- 36.2 to 36.0 pts
- Reasoning score
- Seed 2.1 Pro leads
- 43.3 to 47.9 pts
- Agentic score
- DeepSeek-V4-Flash-0731 leads
- 33.2 to 33.1 pts
Choose by workload
Which profile fits your use?
DeepSeek
Consider DeepSeek-V4-Flash-0731 when
your workload gives more weight to the higher listed coding score, the lower listed API rate. Compare those signals with your own task mix, latency needs, and budget.
View DeepSeek-V4-Flash-0731 profileByteDance
Consider Seed 2.1 Pro when
your workload gives more weight to the higher listed reasoning score, the higher overall index score. Compare those signals with your own task mix, latency needs, and budget.
View Seed 2.1 Pro profile