DeepSeek V4 Flash 0731 vs 
Quasar Alpha
DeepSeek V4 Flash 0731 has a larger context window than Quasar Alpha (1.0M tokens vs 1.0M tokens).
Minimalist Landing Page
Whole landing page for a startup that reads your face. It renders or it doesn't.
Loading the build
Loading the build
Which answer wins?
Price and specs
Not enough votes to call it. On the specs, DeepSeek V4 Flash 0731 has the edge: newer, major provider backing.
| Spec | DeepSeek V4 Flash 0731 | Quasar Alpha |
|---|---|---|
| Input price | $0.14/M tokens | — |
| Output price | $0.28/M tokens | — |
| Context window | 1.0M tokens | 1.0M tokens |
| Weights | Open | — |
| Free API (OpenRouter) | No | — |
| Released | Jul 2026 | Apr 2025 |
| At 10M a month | $1.40 | not listed |
Input tokens at list price. No caching, no batch discount.
Where to run it
DeepSeek V4 Flash 073124 hosts
- Relacefp4$0.009 in$1.28 out1M100% up
- Wafer$0.01 in$1.00 out1M100% up
- OpenInferencefp4$0.01 in$0.27 out1M100% up
- Reka$0.02 in$0.53 out262k100% up
- DeepInfrafp8$0.06 in$0.18 out1M100% up
- StreamLakefp8$0.09 in$0.26 out1M100% up
18 more hostsFewer hosts
- Inceptronfp4$0.10 in$0.60 out1M99.5% up
- Sail Researchfp4$0.10 in$0.30 out1M99.9% up
- DigitalOcean$0.12 in$0.24 out1M100% up
- Basetenfp8$0.13 in$0.26 out1M100% up
- Venice$0.13 in$0.26 out1M100% up
- CoreWeavefp8$0.13 in$0.28 out262k99.5% up
- Cohere$0.14 in$0.28 out1M99.6% up
- Parasailfp8$0.14 in$0.28 out1M99.9% up
- Together$0.14 in$0.28 out1M100% up
- Alibaba Cloud$0.18 in$0.53 out1M99.5% up
- Mancerfp8$0.20 in$0.60 out1M100% up
- SiliconFlowfp8$0.22 in$0.66 out1M99.3% up
- GMI Cloudfp8$0.29 in$0.86 out1M100% up
- Phala$0.31 in$0.92 out1M100% up
- Novitafp8$0.41 in$1.23 out1M100% up
- AtlasCloudfp4$0.44 in$1.32 out1M99.9% up
- Baidu Qianfanfp8$0.44 in$1.32 out1M100% up
- Cloudflare Workers AI$0.44 in$1.32 out1M98.6% up
Quasar Alpha
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
Common questions
What is the difference between DeepSeek V4 Flash 0731 and Quasar Alpha?
DeepSeek V4 Flash 0731 is developed by DeepSeek while Quasar Alpha is developed by OpenRouter. DeepSeek V4 Flash 0731 has a 1.0M token context window vs Quasar Alpha's 1.0M. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.
Which is better, DeepSeek V4 Flash 0731 or Quasar Alpha?
It depends on your use case. DeepSeek V4 Flash 0731 and Quasar Alpha each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 6 challenges so you can judge which fits your needs best.
How can I compare DeepSeek V4 Flash 0731 and Quasar Alpha on Rival?
This page shows a side-by-side comparison of DeepSeek V4 Flash 0731 and Quasar Alpha across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.
More comparisons
Against the newest arrivals
- DeepSeek V4 Flash 0731 vs Step 5 PreviewLanded Oct 2026
- Quasar Alpha vs Claude Haiku 5.5Landed Oct 2026
- DeepSeek V4 Flash 0731 vs Ling 3.1 FlashLanded Oct 2026
- Quasar Alpha vs Mistral Large 4Landed Oct 2026
- DeepSeek V4 Flash 0731 vs GPT-6.1 SolLanded Sep 2026
- Quasar Alpha vs Claude Sonnet 5.5Landed Sep 2026
- DeepSeek V4 Flash 0731 vs Solar Mini 4Landed Sep 2026
- Quasar Alpha vs Qwen3.8 Max PrimeLanded Sep 2026
Same lab, same size, long tail
- DeepSeek V4 Flash 0731 vs DeepSeek V4 Flash Vision ExpSame lab
- DeepSeek V4 Flash 0731 vs DeepSeek V4.1 FlashSame lab
- Quasar Alpha vs Ox AlphaSame lab
- Quasar Alpha vs OpenRouter Fusion · Budget (Jun 2026)Same lab
- DeepSeek V4 Flash 0731 vs Andromeda AlphaCross-provider
- DeepSeek V4 Flash 0731 vs Aurora AlphaSame size
- DeepSeek V4 Flash 0731 vs Bert-Nebulon AlphaSame size
- DeepSeek V4 Flash 0731 vs ChatGPT-4o (March 2025)New provider