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  1. Home/
  2. Compare/
  3. FLUX 2 Dev vs FLUX.3 Image
Updated Oct 2026

FLUX 2 Dev vs FLUX.3 Image

FLUX.3 Image is the newer model, released after FLUX 2 Dev.

Hyperrealistic Portrait

One prompt, one photorealistic portrait. Skin, eyes, light.

Loading the build
FLUX 2 Dev
Loading the build
FLUX.3 Image

Which answer wins?

Price and specs

FLUX 2 Dev and FLUX.3 Image compared across 17 shared prompts
SpecFLUX 2 DevFLUX.3 Image
WeightsOpen—
Free API (OpenRouter)—No
ReleasedNov 2025Oct 2026
Where to run it1 host
FLUX 2 Dev

No hosts listed on OpenRouter.

FLUX.3 Image1 host
HostInOutContextUptime
  • BBlack Forest Labs–not listed in·–not listed out·47k·99.5% up

Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.

Common questions

What is the difference between FLUX 2 Dev and FLUX.3 Image?

Both are developed by Black Forest Labs but target different use cases. You can compare their actual outputs across 17 challenges on Rival to see how they differ in practice.

Which is better, FLUX 2 Dev or FLUX.3 Image?

It depends on your use case. FLUX 2 Dev and FLUX.3 Image each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 17 challenges so you can judge which fits your needs best.

How can I compare FLUX 2 Dev and FLUX.3 Image on Rival?

This page shows a side-by-side comparison of FLUX 2 Dev and FLUX.3 Image 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

  • FLUX 2 Dev vs Hy Image 3.5 PreviewLanded Oct 2026
  • FLUX.3 Image vs Nano Banana 2.1Landed Oct 2026
  • FLUX 2 Dev vs Recraft V4.1 FlashLanded Sep 2026
  • FLUX.3 Image vs GPT Image 2.5 SunburstLanded Sep 2026
  • FLUX 2 Dev vs GPT Image 2.5 FlareLanded Sep 2026
  • FLUX.3 Image vs Nano Banana 2 LiteLanded Jun 2026
  • FLUX 2 Dev vs Riverflow V2.5 FastLanded Jun 2026
  • FLUX.3 Image vs Riverflow V2.5 ProLanded Jun 2026

Same lab, same size, long tail

  • FLUX 2 Dev vs Nano Banana 2.1Same size
  • FLUX 2 Dev vs GPT Image 2.5 SunburstSame size
  • FLUX.3 Image vs FLUX 2 MaxVersion compare
  • FLUX.3 Image vs FLUX Kontext MaxSame lab
  • FLUX.3 Image vs Midjourney v6.1Same size
  • FLUX.3 Image vs MiniMax Image-01Same size
  • FLUX.3 Image vs Nano BananaSame size
  • FLUX.3 Image vs Nano Banana 2Same size

Model pages

  • FLUX 2 Dev17 outputs, specs and price
  • FLUX.3 Image19 outputs, specs and price
Workshop · 150 skills

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Editable skills and working examples for your agent.

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Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare models
  • All models
  • Image comparison
  • Audio comparison
  • Image generation
  • Best AI for...
  • Arena
  • API pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model updates
  • Provider status
  • AI creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy policy
  • Terms
  • RSS feed