Claude Opus 4.6vsDeepSeek V4 Pro
DeepSeek V4 Pro is cheaper than Claude Opus 4.6 at $1.74/M vs $5/M input tokens.
| Spec | Claude Opus 4.6 | DeepSeek V4 Pro |
|---|---|---|
| Input price | $5/M tokens | $1.74/M tokens |
| Output price | $25/M tokens | $3.48/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Feb 2026 | Apr 2026 |
Our Verdict
Claude Opus 4.6
DeepSeek V4 Pro
Not enough votes to call it. On the specs, nothing separates them.
DeepSeek V4 Pro costs 7.2x less per token.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
Claude Opus 4.6
Input
$5.00
Output
$25.00
DeepSeek V4 Pro
Input
$1.74
2.9× cheaper
Output
$3.48
7.2× cheaper
DeepSeek V4 Pro is cheaper on both: 2.9× input, 7.2× output.
Where to run it
18 hosts, cheapest first
DeepSeek V4 Pro14 hosts
StreamLakefp8$0.65 in$1.29 out1M98.6% upBaidu Qianfanfp8$0.66 in$1.31 out1M100% upDigitalOcean$0.87 in$1.74 out1M100% upGMI Cloudfp8$0.96 in$1.91 out1M99.7% upDeepInfrafp8$1.30 in$2.60 out1M99.5% upAlibaba Cloudfp8$1.42 in$2.83 out1M100% up
8 more hostsFewer hosts
SiliconFlowfp8$1.50 in$3.13 out1M98.4% upNovitafp8$1.60 in$3.20 out1M100% upVenice$1.65 in$3.30 out1M98.4% upAtlasCloudfp4$1.68 in$3.38 out1M99.3% upBasetenfp4$1.74 in$3.48 out1M99.8% upParasailfp8$1.74 in$3.48 out1M99.8% upAzure AI Foundry$1.91 in$3.83 out1M99.3% upNextBitfp8$2.00 in$4.00 out1M99.9% up
Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.
Writing DNA
Style Comparison
Similarity
41%
Claude Opus 4.6 uses 33.0x more emoji
Claude Opus 4.6
DeepSeek V4 Pro
56%Vocabulary57%
33wSentence Length18w
0.73Hedging0.52
5.3Bold3.3
2.7Lists2.3
1.16Emoji0.04
1.23Headings0.45
0.02Transitions0.15
Based on 26 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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