What are the main differences between Reve 2.1 and GPT Image 2.5 Sunburst?

On ImageBench V1 (192 prompts, 6 categories), Reve 2.1 scores 74.8 overall with a 79.7% task pass rate, while GPT Image 2.5 Sunburst scores 82.1 overall with a 88% pass rate. The biggest difference is truthfulness: Reve 2.1 passes 55.6% of those prompts vs 77.8% for GPT Image 2.5 Sunburst. Reve 2.1 is an API model ($0.04 / image); GPT Image 2.5 Sunburst is an API model (token-based).

Which is better, Reve 2.1 or GPT Image 2.5 Sunburst?

GPT Image 2.5 Sunburst is better overall on ImageBench V1, scoring 82.1 vs 74.8. Reve 2.1 is strongest at text rendering (100%). GPT Image 2.5 Sunburst is strongest at text rendering (100%).

Is GPT Image 2.5 Sunburst better than Reve 2.1 for truthfulness?

Yes — on the Truthfulness category of ImageBench V1, Reve 2.1 passes 55.6% of prompts and GPT Image 2.5 Sunburst passes 77.8%. That is the largest per-category difference between Reve 2.1 and GPT Image 2.5 Sunburst.

Where can I see Reve 2.1 and GPT Image 2.5 Sunburst images side by side?

The ImageBench gallery shows Reve 2.1 and GPT Image 2.5 Sunburst 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.

vs

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.

Generation Details

Source-backed model context, size, cost, and request settings for this ImageBench V1 run.

fal/reve/2.1

API

Reve 2.1 is Reve AI's flagship text-to-image model, generating natively at 4K (4096x4096) with layout intelligence — it reasons about structure and spatial hierarchy before generating. It is a standout at in-image typography (including foreign scripts) and ranks #2 on the Text-to-Image Arena, well suited to posters, packaging, and marketing design. The older fal-ai/reve/text-to-image endpoint serves the earlier Reve Image 1.0.

Maker: Reve AI
Family: Reve Image 2.1
Model Size: not disclosed
unknown
Cost: $0.04 / image
high
Run Target: fal/reve/2.1/text-to-image
Effective Request: aspect_ratio: 1:1 · seed: 7
Sources: Reve 2.1 (Text to Image) API on fal Reve 2.1 — Native 4K Image Generation with Layout Intelligence (fal)

openai/gpt-image-2.5-sunburst

API

GPT Image 2.5 Sunburst is one of two API variants OpenAI released alongside ChatGPT Images 2.5 (September 2026), built for workflows where editing precision matters most.

Maker: OpenAI
Family: GPT Image
Model Size: not disclosed
unknown
Cost: token-based
high
Run Target: openai/gpt-image-2.5-sunburst
Effective Request: model: gpt-image-2.5-sunburst · size: 1024x1024 · quality: auto
Sources: GPT Image 2.5 Sunburst model docs OpenAI image generation guide OpenAI API pricing