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  5. DeepSeek R1 0528vsDeepSeek V4 Flash Vision Exp
Updated Aug 2026

DeepSeek R1 0528vsDeepSeek V4 Flash Vision Exp

DeepSeek R1 0528 is cheaper than DeepSeek V4 Flash Vision Exp at $0/M vs $0.22/M input tokens.

DeepSeek R1 0528 and DeepSeek V4 Flash Vision Exp compared across 8 shared prompts
SpecDeepSeek R1 0528DeepSeek V4 Flash Vision Exp
Input priceFree$0.22/M tokens
Output priceFree$0.66/M tokens
Context window164K tokens1.0M tokens
WeightsOpenOpen
Free API (OpenRouter)NoNo
ReleasedMay 2025Aug 2026
Our Verdict
DeepSeek R1 0528
DeepSeek R1 0528
DeepSeek V4 Flash Vision Exp
DeepSeek V4 Flash Vision Exp

Not enough votes to call it. On the specs, nothing separates them.

Too close to call
API pricing

Cost per 1M tokens

DeepSeek R1 0528
Input
$0.000
Output
$0.000
DeepSeek V4 Flash Vision Exp
Input
$0.22
Output
$0.66
Where to run it

9 hosts, cheapest first

DeepSeek R1 05284 hosts
HostInOutContextUptime
DDeepInfrafp4$0.50 in·$2.15 out·164k·100% upSSiliconFlowfp8$0.50 in·$2.18 out·164k·99.7% upSStreamLake$0.57 in·$2.29 out·128k·99.4% upNNovitafp8$0.70 in·$2.50 out·164k·100% up
DeepSeek V4 Flash Vision Exp5 hosts
HostInOutContextUptime
FFireworks$0.22 in·$0.66 out·1M·99.9% upGGMI Cloudfp8$0.44 in·$1.32 out·1M·99.8% upNNovita$0.44 in·$1.32 out·1M·99.9% upSSiliconFlowfp8$0.44 in·$1.32 out·1M·97.1% upDDeepInfrafp8degraded$0.22 in·$0.65 out·1M·77.7% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Both are developed by DeepSeek but target different use cases. DeepSeek R1 0528 has a 164K token context window vs DeepSeek V4 Flash Vision Exp's 1.0M. You can compare their actual outputs across 8 challenges on Rival to see how they differ in practice.

It depends on your use case. DeepSeek R1 0528 and DeepSeek V4 Flash Vision Exp each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 8 challenges so you can judge which fits your needs best.

DeepSeek R1 0528 costs $0/M input tokens and DeepSeek V4 Flash Vision Exp costs $0.22/M input tokens. DeepSeek R1 0528 is $0.22/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of DeepSeek R1 0528 and DeepSeek V4 Flash Vision Exp 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.

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Model pages

DeepSeek R1 0528 logo
DeepSeek R1 052858 outputs, specs and price
DeepSeek V4 Flash Vision Exp logo
DeepSeek V4 Flash Vision Exp8 outputs, specs and price
Rival
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