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  5. DeepSeek V4 Flash Vision ExpvsOpenAI o4-mini
Updated Aug 2026

DeepSeek V4 Flash Vision ExpvsOpenAI o4-mini

DeepSeek V4 Flash Vision Exp is cheaper than OpenAI o4-mini at $0.22/M vs $1.1/M input tokens.

DeepSeek V4 Flash Vision Exp and OpenAI o4-mini compared across 8 shared prompts
SpecDeepSeek V4 Flash Vision ExpOpenAI o4-mini
Input price$0.22/M tokens$1.1/M tokens
Output price$0.66/M tokens$4.4/M tokens
Context window1.0M tokens—
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedAug 2026Apr 2025
Our Verdict
DeepSeek V4 Flash Vision Exp
DeepSeek V4 Flash Vision Exp
OpenAI o4-mini
OpenAI o4-miniRunner-up

Not enough votes to call it. On the specs, DeepSeek V4 Flash Vision Exp has the edge: bigger model tier, newer, bigger context window.

DeepSeek V4 Flash Vision Exp costs 6.7x less per token.

Too close to call
API pricing

Cost per 1M tokens

DeepSeek V4 Flash Vision Exp
Input
$0.22
5.0× cheaper
Output
$0.66
6.7× cheaper
OpenAI o4-mini
Input
$1.10
Output
$4.40

DeepSeek V4 Flash Vision Exp is cheaper on both: 5.0× input, 6.7× output.

Where to run it

6 hosts, cheapest first

DeepSeek V4 Flash Vision Exp5 hosts
HostInOutContextUptime
FFireworks$0.22 in·$0.66 out·1M·99.8% upGGMI Cloudfp8$0.44 in·$1.32 out·1M·99.8% upNNovita$0.44 in·$1.32 out·1M·100% upSSiliconFlowfp8$0.44 in·$1.32 out·1M·97.4% upDDeepInfrafp8degraded$0.22 in·$0.65 out·1M·66.3% up
OpenAI o4-mini1 host
HostInOutContextUptime
OpenAI$1.10 in·$4.40 out·200k·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

DeepSeek V4 Flash Vision Exp is developed by DeepSeek while OpenAI o4-mini is developed by OpenAI. 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 V4 Flash Vision Exp and OpenAI o4-mini 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 V4 Flash Vision Exp costs $0.22/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. DeepSeek V4 Flash Vision Exp is $0.88/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 V4 Flash Vision Exp and OpenAI o4-mini 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 V4 Flash Vision Exp logo
DeepSeek V4 Flash Vision Exp8 outputs, specs and price
OpenAI o4-mini logo
OpenAI o4-mini59 outputs, specs and price
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