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Black Forest Labs

FLUX.1 Kontext [max]

VS
OpenAI

GPT Image 1.5

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

Decision Recommendation

🎨 Editorial Verdict: Both FLUX.1 Kontext [max] and GPT Image 1.5 represent highly competitive options. If prompt adherence or specific styles are key, check the strengths table below: FLUX.1 Kontext [max] excels at In-Context Editing, Character Consistency, while GPT Image 1.5 offers strengths in Text Rendering, In-Context Editing.

Model Specs

FLUX.1 Kontext [max]

Pricing & Speed

Cost per Generation
$80.00per 1,000 images
Speed Tier
standard
Max Resolution2K

Model Strengths

In-Context EditingCharacter ConsistencyRealismPrompt AdherenceTypography
Model Specs

GPT Image 1.5

Pricing & Speed

Cost per Generation2.4x cheaper
$34.00per 1,000 images
Speed TierFaster
fast
Max Resolution1.5K

Model Strengths

Text RenderingIn-Context EditingPrompt AdherenceCharacter Consistency

Frequently Asked Questions

GPT Image 1.5 is cheaper, costing $0.0340 per image generation compared to FLUX.1 Kontext [max] at $0.0800 per image.

GPT Image 1.5 is faster, operating in the fast speed tier compared to FLUX.1 Kontext [max] which is in the standard speed tier.

Both models share key strengths in: in context-editing, character consistency, prompt adherence. FLUX.1 Kontext [max] specializes in: in context-editing, character consistency, realism, prompt adherence, typography. GPT Image 1.5 specializes in: text rendering, in context-editing, prompt adherence, character consistency.

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