GPT-5.4 mini vs DeepSeek V4 Flash
Rank, tier, score and price side by side, from our weekly rankings. Scores are editorial opinion based on public sources.
A
GPT-5.4 mini
B
DeepSeek V4 Flash
- ProviderOpenAIDeepSeek
- Rank#68#67Higher rank
- TierAA
- Score71.371.5Higher score
- PriceFree tier · Plus $20/moOpen weights (MIT); the deepseek-v4-flash API name now routes to V4.1-Flash at $0.30 input / $1.20 output per 1M tokens peak ($0.15 / $0.60 off-peak)
- TaglineFaster smaller-tier reasoning with wide availabilityCost-efficient open-weight sibling of V4 aimed at production agent pipelines.
| Attribute | GPT-5.4 mini | DeepSeek V4 Flash |
|---|---|---|
| Provider | OpenAI | DeepSeek |
| Rank | #68 | #67Higher rank |
| Tier | A | A |
| Score | 71.3 | 71.5Higher score |
| Price | Free tier · Plus $20/mo | Open weights (MIT); the deepseek-v4-flash API name now routes to V4.1-Flash at $0.30 input / $1.20 output per 1M tokens peak ($0.15 / $0.60 off-peak) |
| Tagline | Faster smaller-tier reasoning with wide availability | Cost-efficient open-weight sibling of V4 aimed at production agent pipelines. |