The cheapest and fastest way to generate an image

Just updated my benchmark for image generating models on Vercel AI Gateway.

One single prompt, 25 models from 6 providers, 18x price diff, 10x speed diff.

Here are the winners:

Cost

1. bfl/flux-2-klein-4b at $0.014 per image
2. bfl/flux-2-klein-9b at $0.015
3. google/imagen-4.0-fast-generate-001 and xai/grok-imagine-image tied at $0.02

Latency

1. bfl/flux-pro-1.1 at 3.6s
2. xai/grok-imagine-image at 4.1s
3. bfl/flux-2-klein-9b at 6.2s

Check out the full report with the images and behind-the-scenes on my site.