Best AI Image Generation Models

The leading text-to-image and image-editing models, FLUX, Seedream, Nano Banana and more, priced per image and callable through one API on thalam.

  1. 1
    GG
    Nano Banana Pro
    $0.134 / image · Slow

    Nano Banana Pro, Google's Gemini 3 Pro Image, frontier text-to-image with best-in-class in-image text.

  2. 2
    BD
    Seedream 5.0 Pro
    $0.045 / image · Medium

    The top tier of the Seedream 5 line. Single-image output up to 2K, with multi-image fusion for style and character references.

  3. 3
    AI
    GPT Image 2
    $0.053 / image · Medium

    OpenAI's image model, billed by the tokens it actually generates. Strong prompt-following and legible text in images.

  4. 4
    BF
    FLUX 2 Pro
    $0.030 / image · Fast

    FLUX 2 Pro, frontier text-to-image. State-of-the-art aesthetics, prompt fidelity, fine detail.

  5. 5
    BD
    Seedream 4.0
    $0.030 / image · Fast

    Seedream 4.0, best image deal in the catalog.

  6. 6
    BD
    Seedream 4.5
    $0.030 / image · Fast

    Seedream 4.5, refresh of 4.0, same anchor pricing, slightly better fidelity.

Use any of these through one API

One OpenAI-compatible endpoint for every model above. Pay per token, no subscription, credits never expire.

FAQ

What is the best AI image generator API?

Frontier image models like FLUX, Seedream and Nano Banana lead on quality; the best pick depends on style, editing needs and price per image. thalam lists all of them with per-image pricing on one API.

How much does AI image generation cost?

Most models on thalam are a few cents per image, billed per generation with no subscription. Exact per-image rates are on each model page.

More best-of lists