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Black Forest Labs

FLUX 1.1 [pro] Ultra

VS
Black Forest Labs

FLUX.1 Kontext [dev]

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

👑 Editorial Verdict: FLUX 1.1 [pro] Ultra stands out as the superior choice over FLUX.1 Kontext [dev]. It is more cost-effective (costing $0.0600 per image vs $N/A), generates images in a faster speed tier (fast), and supports a wider range of key feature strengths (like Realism, High Resolution, Prompt Adherence).

Model Specs

FLUX 1.1 [pro] Ultra

Pricing & Speed

Cost per Generation
$60.00per 1,000 images
Speed TierFaster
fast
Max Resolution4K

Model Strengths

✨ Realism✨ High Resolution✨ Prompt Adherence
Model Specs

FLUX.1 Kontext [dev]

Pricing & Speed

Cost per Generation
Self Host
Speed Tier
standard
Max Resolution2K

Model Strengths

✨ In-Context Editing✨ Character Consistency✨ Prompt Adherence
Read our data collection methodology

Frequently Asked Questions

FLUX.1 Kontext [dev] is cheaper as it is open source and can be self-hosted, whereas FLUX 1.1 [pro] Ultra costs $0.0600 per image generation.

FLUX 1.1 [pro] Ultra is faster, operating in the fast speed tier compared to FLUX.1 Kontext [dev] which is in the standard speed tier.

Both models share key strengths in: prompt adherence. FLUX 1.1 [pro] Ultra specializes in: realism, high resolution, prompt adherence. FLUX.1 Kontext [dev] specializes in: in context-editing, character consistency, prompt adherence.

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