DeepSeek V4 FlashvsGPT-5 Mini
DeepSeek V4 Flash is cheaper than GPT-5 Mini at $0.14/M vs $0.25/M input tokens.
| Spec | DeepSeek V4 Flash | GPT-5 Mini |
|---|---|---|
| Input price | $0.14/M tokens | $0.25/M tokens |
| Output price | $0.28/M tokens | $2/M tokens |
| Context window | 1.0M tokens | — |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Apr 2026 | Aug 2025 |
Our Verdict
DeepSeek V4 Flash
GPT-5 MiniRunner-up
Not enough votes to call it. On the specs, DeepSeek V4 Flash has the edge: bigger model tier, newer, bigger context window.
DeepSeek V4 Flash costs 7.1x less per token.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
DeepSeek V4 Flash
Input
$0.14
1.8× cheaper
Output
$0.28
7.1× cheaper
GPT-5 Mini
Input
$0.25
Output
$2.00
DeepSeek V4 Flash is cheaper on both: 1.8× input, 7.1× output.
Where to run it
18 hosts, cheapest first
DeepSeek V4 Flash16 hosts
DigitalOcean$0.07 in$0.17 out1M99% upStreamLakefp8$0.09 in$0.17 out1M95.6% upBaidu Qianfanfp8$0.09 in$0.17 out1M98.8% upDeepInfrafp8$0.09 in$0.18 out1M99.5% upGMI Cloudfp8$0.09 in$0.18 out1M99% upWafer$0.10 in$0.25 out1M99.3% up
10 more hostsFewer hosts
SiliconFlowfp8$0.13 in$0.28 out1M99.6% upAlibaba Cloudfp8$0.13 in$0.27 out1M97.3% upVenice$0.14 in$0.28 out1M99.4% upAtlasCloudfp4$0.14 in$0.28 out1M97.6% upNovitafp8$0.14 in$0.28 out1M99.9% upParasailfp8$0.14 in$0.28 out1M99.9% upNextBitfp8$0.15 in$0.35 out1M99.4% upMancerfp8$0.19 in$0.50 out1M98.8% upPhala$0.20 in$0.40 out1M99.9% upAzure AI Foundry$0.21 in$0.56 out1M92.7% up
Per million tokens. Prices and uptime via OpenRouter, checked 11 Sep 2026.
Writing DNA
Style Comparison
Similarity
54%
DeepSeek V4 Flash uses 363.7x more bold
DeepSeek V4 Flash
GPT-5 Mini
54%Vocabulary62%
17wSentence Length22w
0.52Hedging0.21
3.6Bold0.0
2.6Lists3.8
0.00Emoji0.00
0.41Headings0.00
0.19Transitions0.04
Based on 27 + 21 text responses
Research
What we learned reading every model
FAQ
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