FLUX.1 Fill [pro] vs Grok Imagine Image
Comparing FLUX.1 Fill [pro] and Grok Imagine Image across benchmarks, pricing, and capabilities.
Black Forest Labs · xAI · Updated for 2026
Which is better?
FLUX.1 Fill [pro] and Grok Imagine Image trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
Grok Imagine Image also accepts a larger context window (10,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current benchmark, pricing, and model metadata for 2026.
Choose FLUX.1 Fill [pro]
- you are already invested in the Black Forest Labs ecosystem
Choose Grok Imagine Image
- you process long inputs — it offers a 10,000 token context window
At a glance
The differences that matter most.
Arena Performance
Human preference votes
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Grok Imagine Image was released on 2026-01-28, while FLUX.1 Fill [pro]'s release date is not specified.
We can confirm Grok Imagine Image's release timeline, but cannot make a direct age comparison without FLUX.1 Fill [pro]'s release date.
—
Jan 28, 2026
7 months ago
Provider Availability
FLUX.1 Fill [pro] is available from Fal. Grok Imagine Image is available from xAI.
FLUX.1 Fill [pro]
Grok Imagine Image
Outputs Comparison
Judge for yourself.
Run your own prompts against FLUX.1 Fill [pro] and Grok Imagine Image side-by-side, then vote on the output you prefer.
FAQ
Common questions about FLUX.1 Fill [pro] vs Grok Imagine Image.