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Comparison

Best AI image generators in 2026

Most “best AI image generator” lists rank web apps. This one ranks the models behind the API, because that is what determines your cost and quality once you are shipping something. Every price below is read from the live price list.

How this list is ranked

We rank by three things: price per image at the resolution you actually need, output quality on a fixed prompt set, and whether the model can be called from code. Editor features, preset libraries and community galleries are not counted — they do not survive contact with a production pipeline.

  1. 1

    GPT Image 2

    OpenAIfrom $0.0094 / image

    Best for: Cheap drafts and high-volume iteration

    • Lowest per-image cost in the catalogue
    • Strong prompt adherence
    • OpenAI-compatible call
    • Lower resolution tiers only on the base model
    • Draft quality, not final artwork
    Pricing and API details →
  2. 2

    Gemini 3.1 Flash Image

    Googlefrom $0.0113 / image (0.5K)

    Best for: Resolution tiers from 0.5K to 4K

    • Four resolution tiers with published prices
    • Good at text inside images
    • Cheap at 0.5K
    • 4K costs roughly 3× the 0.5K tier
    • Different prompt style from GPT Image
    Pricing and API details →
  3. 3

    Gemini 3 Pro Image

    Googlefrom $0.0251 / image

    Best for: Final assets at 4K

    • High-detail output
    • Same 1K price as 2K
    • 4K tier available
    • Most expensive per image
    • Overkill for thumbnails
    Pricing and API details →
  4. 4

    Grok Imagine Image 2.0

    xAIfrom $0.012 / image

    Best for: Image input and low/medium quality tiers

    • Separate low/medium tiers
    • Accepts image input
    • Useful for image-to-image
    • Pricing tiers are non-standard (1K low, 2K medium)
    • Newer, less documented
    Pricing and API details →

Questions

What makes one image model better than another?
For production use: cost per image at your target resolution, prompt adherence on your actual prompts, and whether the API returns a usable asset. A model that is 30% cheaper but needs three retries is not cheaper.
Are these prices live?
The model pages read from the gateway price list. The shortlist above reflects the catalogue at the time of writing; always check the pricing page for the current number.
Can I use several models with one key?
Yes. TokWork routes by model name, so switching vendors is a parameter change, not a new integration.

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