Claude Fable 5.1vsDeepSeek V4 Pro
DeepSeek V4 Pro is cheaper than Claude Fable 5.1 at $1.74/M vs $10/M input tokens.
| Spec | Claude Fable 5.1 | DeepSeek V4 Pro |
|---|---|---|
| Input price | $10/M tokens | $1.74/M tokens |
| Output price | $50/M tokens | $3.48/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Apr 2026 |
Our Verdict
Claude Fable 5.1
DeepSeek V4 Pro
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
Claude Fable 5.1
Input
$10.00
Output
$50.00
DeepSeek V4 Pro
Input
$1.74
5.7× cheaper
Output
$3.48
14× cheaper
DeepSeek V4 Pro is cheaper on both: 5.7× input, 14× output.
Where to run it
19 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.
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