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

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 Flare scores 81.5 overall with a 86.5% pass rate. The biggest difference is truthfulness: Reve 2.1 passes 55.6% of those prompts vs 85.2% for GPT Image 2.5 Flare. Reve 2.1 is an API model ($0.04 / image); GPT Image 2.5 Flare is an API model (token-based).

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

GPT Image 2.5 Flare is better overall on ImageBench V1, scoring 81.5 vs 74.8. Reve 2.1 is strongest at text rendering (100%). GPT Image 2.5 Flare is strongest at text rendering (100%).

Is GPT Image 2.5 Flare 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 Flare passes 85.2%. That is the largest per-category difference between Reve 2.1 and GPT Image 2.5 Flare.

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

The ImageBench gallery shows Reve 2.1 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.

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-flare

API

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.

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