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Flux 1.1 Pro vs Gemini 2.5 Flash — Which Is Better in 2026?

Flux 1.1 Pro vs Gemini 2.5 Flash: independent head-to-head scored on Performance, Value, Reliability, and Ease of Use. See scores, pros, cons, and our verdict.

Updated: 2026-04-11How we score →

Black Forest Labs

Flux 1.1 Pro

Best new open-source image model

Google

Gemini 2.5 Flash

Best value LLM — ultra-fast and cheap

8.2

Overall Score

8.9

Overall Score

WINNER
8.8
Performance
8.5
8.5
Value
9.8
7.5
Reliability
8.5
7.0
Ease of Use
8.8

Our Verdict

Gemini 2.5 Flash scores higher overall (8.9/10 vs 8.2/10), winning on Value and Reliability. Best value LLM — ultra-fast, incredibly cheap, strong for high-volume tasks.

Pricing — Flux 1.1 Pro

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

Pricing — Gemini 2.5 Flash

API: $0.075/M input · $0.30/M output (ultra-cheap)

Flux 1.1 Pro

Pros

  • Near-Midjourney photorealism quality
  • Open-source weights — self-host for free
  • API access via Replicate, fal.ai, Together AI

Cons

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

Best For

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

Gemini 2.5 Flash

Pros

  • Cheapest capable LLM available
  • Sub-second latency for real-time apps
  • Strong at structured extraction and classification

Cons

  • Lower reasoning quality than Gemini Pro
  • Less suited for complex multi-step tasks
  • Google dependency for infrastructure

Best For

High-volume classification, chatbots, real-time applications, cost optimisation

Choose Flux 1.1 Pro if…

  • Performance is your top priority — Flux 1.1 Pro leads by 0.3 points
  • Developers wanting API access
  • Black Forest Labs support, documentation, and community suit your team

Choose Gemini 2.5 Flash if…

  • Value is your top priority — Gemini 2.5 Flash leads by 1.3 points
  • High-volume classification
  • You also value Reliability — Gemini 2.5 Flash wins that dimension too

Frequently Asked Questions

Is Flux 1.1 Pro better than Gemini 2.5 Flash?

Gemini 2.5 Flash 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 performance is your priority. The right choice depends on your use case.

What is the pricing difference between Flux 1.1 Pro and Gemini 2.5 Flash?

Flux 1.1 Pro: Via Replicate from $0.003/image · Free if self-hosted. Gemini 2.5 Flash: API: $0.075/M input · $0.30/M output (ultra-cheap). Compare usage volumes and features needed to determine total cost of ownership for your team.

Which is better for high-volume classification?

Gemini 2.5 Flash is generally stronger here, scoring 8.9/10 overall. Best value LLM — ultra-fast, incredibly cheap, strong for high-volume tasks. For more niche requirements like performance, Flux 1.1 Pro may be worth evaluating.

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