192 evaluations across 6 categories
Benchmark V1 verdicts are produced by VLM judges and can contain mistakes. Treat PASS/FAIL labels as machine-assisted assessments, and inspect the images yourself. Learn more about the methodology.
Source-backed model context, size, cost, and request settings for this ImageBench V1 run.
Grok Imagine Image 2.0 is xAI's text-to-image model (released Aug 2026), emphasizing photorealism, natural lighting, physics, and textures. Served via xAI's first-party API (OpenAI-images-compatible). The first xAI model on this board.
GPT Image 2.5 Flare is one of two API variants OpenAI released alongside ChatGPT Images 2.5 (September 2026), positioned as OpenAI's fastest model for high-quality, everyday image generation.
On ImageBench V1 (192 prompts, 6 categories), Grok Imagine 2.0 scores 73.6 overall with a 75.5% task pass rate, while GPT Image 2.5 Flare scores 81.5 overall with a 86.5% pass rate. The biggest difference is truthfulness: Grok Imagine 2.0 passes 55.6% of those prompts vs 85.2% for GPT Image 2.5 Flare. Grok Imagine 2.0 is an API model ($0.04 / image); GPT Image 2.5 Flare is an API model (token-based).
GPT Image 2.5 Flare is better overall on ImageBench V1, scoring 81.5 vs 73.6. Grok Imagine 2.0 is strongest at text rendering (100%). GPT Image 2.5 Flare is strongest at text rendering (100%).
Yes — on the Truthfulness category of ImageBench V1, Grok Imagine 2.0 passes 55.6% of prompts and GPT Image 2.5 Flare passes 85.2%. That is the largest per-category difference between Grok Imagine 2.0 and GPT Image 2.5 Flare.
The ImageBench gallery shows Grok Imagine 2.0 and GPT Image 2.5 Flare outputs for the same 192 prompts side by side, filterable by category and difficulty — the fastest way to judge them with your own eyes instead of trusting aggregate scores. Open them in the gallery.