FLUX.1 Fill [pro] vs Grok Imagine Image Pro
Comparing FLUX.1 Fill [pro] and Grok Imagine Image Pro across benchmarks, pricing, and capabilities.
Black Forest Labs · xAI · Updated for 2026
Which is better?
FLUX.1 Fill [pro] and Grok Imagine Image Pro trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
Grok Imagine Image Pro also accepts a larger context window (131,072 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 Pro
- you process long inputs — it offers a 131,072 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 Pro was released on 2026-02-01, while FLUX.1 Fill [pro]'s release date is not specified.
We can confirm Grok Imagine Image Pro's release timeline, but cannot make a direct age comparison without FLUX.1 Fill [pro]'s release date.
—
Feb 1, 2026
6 months ago
Provider Availability
FLUX.1 Fill [pro] is available from Fal. Grok Imagine Image Pro is available from xAI.
FLUX.1 Fill [pro]
Grok Imagine Image Pro
Outputs Comparison
Judge for yourself.
Run your own prompts against FLUX.1 Fill [pro] and Grok Imagine Image Pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about FLUX.1 Fill [pro] vs Grok Imagine Image Pro.