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Flux 1.1 Pro vs Google Imagen 4 โ€” Which Is Better in 2026?

Flux 1.1 Pro vs Google Imagen 4: independent head-to-head scored on Performance, Value, Reliability, and Ease of Use. See scores, pros, cons, and our verdict.

Updated: 2026-04-13How we score โ†’

Black Forest Labs

Flux 1.1 Pro

Best new open-source image model

Google

Google Imagen 4

Best value frontier image model

8.2

Overall Score

8.9

Overall Score

WINNER
8.8
Performance
8.8
8.5
Value
9.2โ–ฒ
7.5
Reliability
9.0โ–ฒ
7.0
Ease of Use
8.5โ–ฒ

Our Verdict

Google Imagen 4 scores higher overall (8.9/10 vs 8.2/10), winning on Value and Reliability. Best value frontier image model. $0.02/image at native 2K resolution via Vertex AI.

Pricing โ€” Flux 1.1 Pro

Via Replicate from $0.003/image ยท Free if self-hosted

Pricing โ€” Google Imagen 4

See website for current pricing

Flux 1.1 Pro

Pros

  • โœ“Near-Midjourney photorealism quality
  • โœ“Open-source weights โ€” self-host for free
  • โœ“API access via Replicate, fal.ai, Together AI

Cons

  • โœ—No native web UI โ€” requires third-party platform
  • โœ—Less community resources than Midjourney
  • โœ—Quality varies by hosting platform

Best For

Developers wanting API access, open-source workflows, photorealistic image generation

Google Imagen 4

Pros

  • โœ“Strong performance on key benchmarks
  • โœ“Active development and regular updates
  • โœ“Growing ecosystem and community

Cons

  • โœ—May have less documentation than larger platforms
  • โœ—Ecosystem still growing
  • โœ—Evaluate for your specific use case

Best For

Google ecosystem users and teams looking for Google Imagen 4 capabilities

Choose Flux 1.1 Pro ifโ€ฆ

  • โ†’Flux 1.1 Pro better fits your existing Black Forest Labs ecosystem
  • โ†’Developers wanting API access
  • โ†’Black Forest Labs support, documentation, and community suit your team

Choose Google Imagen 4 ifโ€ฆ

  • โ†’Value is your top priority โ€” Google Imagen 4 leads by 0.7 points
  • โ†’Google ecosystem users and teams looking for Google Imagen 4 capabilities
  • โ†’You also value Reliability โ€” Google Imagen 4 wins that dimension too

Frequently Asked Questions

Is Flux 1.1 Pro better than Google Imagen 4?

Google Imagen 4 scores 8.9/10 overall vs 8.2/10 for Flux 1.1 Pro, with an edge on Value and Reliability and Ease of Use. That said, "Flux 1.1 Pro" may be the better pick if specific workflow fit is your priority. The right choice depends on your use case.

What is the pricing difference between Flux 1.1 Pro and Google Imagen 4?

Flux 1.1 Pro: Via Replicate from $0.003/image ยท Free if self-hosted. Google Imagen 4: See website for current pricing. Compare usage volumes and features needed to determine total cost of ownership for your team.

Which is better for google ecosystem users and teams looking for google imagen 4 capabilities?

Google Imagen 4 is generally stronger here, scoring 8.9/10 overall. Best value frontier image model. $0.02/image at native 2K resolution via Vertex AI. For more niche requirements like specific integrations, Flux 1.1 Pro may be worth evaluating.

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