DeepSeek V4 ProvsGPT-6 Astra
DeepSeek V4 Pro is cheaper than GPT-6 Astra at $1.74/M vs $10/M input tokens.
| Spec | DeepSeek V4 Pro | GPT-6 Astra |
|---|---|---|
| Input price | $1.74/M tokens | $10/M tokens |
| Output price | $3.48/M tokens | $50/M tokens |
| Context window | 1.0M tokens | 1.1M tokens |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Apr 2026 | Sep 2026 |
Our Verdict
DeepSeek V4 Pro
GPT-6 Astra
Not enough votes to call it. On the specs, nothing separates them.
DeepSeek V4 Pro costs 14x less per token.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V4 Pro
Input
$1.74
5.7× cheaper
Output
$3.48
14× cheaper
GPT-6 Astra
Input
$10.00
Output
$50.00
DeepSeek V4 Pro is cheaper on both: 5.7× input, 14× output.
Where to run it
17 hosts, cheapest first
DeepSeek V4 Pro15 hosts
Baidu Qianfanfp8$0.87 in$1.74 out1M99.9% upDigitalOcean$0.87 in$1.74 out1M99% upStreamLakefp8$0.87 in$1.74 out1M99.1% upGMI Cloudfp8$0.96 in$1.91 out1M97.9% upDeepInfrafp8$1.30 in$2.60 out1M99.2% upAlibaba Cloudfp8$1.42 in$2.83 out1M99.9% up
9 more hostsFewer hosts
SiliconFlowfp8$1.50 in$3.13 out1M97% upNovitafp8$1.60 in$3.20 out1M100% upVenice$1.65 in$3.30 out1M96.5% upAtlasCloudfp4$1.68 in$3.38 out1M96.1% upBasetenfp4$1.74 in$3.48 out1M98.8% upNextBitfp8$1.80 in$3.55 out1M100% upAzure AI Foundry$1.91 in$3.83 out1M98.9% upFireworksdegraded$1.20 in$1.20 out1M0% upParasailfp8degraded$1.74 in$3.48 out1M98.9% up
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
74%
GPT-6 Astra uses 1.7x more headings
DeepSeek V4 Pro
GPT-6 Astra
57%Vocabulary62%
18wSentence Length15w
0.52Hedging0.87
3.3Bold4.0
2.3Lists2.3
0.04Emoji0.04
0.45Headings0.77
0.15Transitions0.10
Based on 27 + 27 text responses
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