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Checked on October 26, 2026

Replicate alternative for image generation APIs

Replicate is a platform where models are run through an HTTP API: thousands of community models and more than a hundred official ones. Below are the prices for our models from their public pages and the terms that affect your choice.

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A Rendergrid article. We’re one of the parties in this comparison, so the Replicate figures come only from its public pages, each with a link and a date, and below we say separately when Replicate is the better choice. How we check and correct

01Who it is

What Replicate is

Briefly, and only from their own pages. Website: replicate.com.

Replicate (replicate.com) is a platform where models are run through an HTTP API. The pricing page talks about thousands of open community models, and the documentation about more than a hundred official models with a predictable price: per output image, per second of video, or per token.

A request creates a “prediction”: asynchronous by default, with polling or a webhook; the Prefer: wait header holds the connection until the result is ready (60 seconds by default). For the Google and OpenAI models in our table, the price on the page is given per output image.

02Pricing

Prices for our models

How much one image costs at Replicate and at Rendergrid. The Replicate prices are from its public pages, checked on .

Comparable cells: 10. Cheaper with us: 10, at Replicate: 0, the same: 0.

Image prices: Replicate and Rendergrid
ModelResolutionReplicateRendergridDifference
Nano Banana Pronano-banana-pro1K$0.151$0.04Cheaper with us by 73%
Nano Banana Pro2K$0.15$0.04Cheaper with us by 73%
Nano Banana Pro4K$0.30$0.07Cheaper with us by 76%
Nano Banana 2nano-banana-21K$0.0672$0.025Cheaper with us by 62%
Nano Banana 22K$0.101$0.04Cheaper with us by 60%
Nano Banana 24K$0.151$0.06Cheaper with us by 60%
Nano Banana 2.1nano-banana-2.11K$0.03363$0.02Cheaper with us by 40%
Nano Banana 2.12K$0.0504$0.03Cheaper with us by 40%
Nano Banana 2.14K$0.1134$0.04Cheaper with us by 64%
GPT Image 2gpt-image-21K$0.047any size4$0.02Cheaper with us by 57%
GPT Image 2.5gpt-image-2.51Knot availablenot on their pages5$0.025can’t be compared
  1. 1Nano Banana Pro. Per output image; for the fallback model used under overload, see the terms below. Source: replicate.com/google/nano-banana-pro. Checked on October 26, 2026.
  2. 2Nano Banana 2. Per output image. Source: replicate.com/google/nano-banana-2. Checked on October 26, 2026.
  3. 3Nano Banana 2.1. Per output image. Source: replicate.com/google/nano-banana-2.1. Checked on October 26, 2026.
  4. 4GPT Image 2. Quality medium; low—$0.012, high—$0.128; the price depends only on quality, and size isn’t part of the price table; sizes on the page run from 1024×1024 to 3840×2160, and anything above 2560×1440 carries an “experimental” label. Source: replicate.com/openai/gpt-image-2. Checked on October 26, 2026.
  5. 5GPT Image 2.5. The list of OpenAI models on Replicate has no “GPT Image 2.5” without a suffix (the replicate.com/openai/gpt-image-2.5 page was not found); GPT Image 2.5 Flare and GPT Image 2.5 Sunburst are separate models, in the rows below. Source: replicate.com/openai. Checked on October 26, 2026.

The difference is measured from the larger of the two prices, rounded down to a whole percent. The “≈” sign is an estimate that the provider’s own page gives. For GPT Image, quality and size differ between providers: each one’s conditions are in the footnote. We compare prices, not image quality. Nano Banana Flash, Nano Banana 2 Lite, and GPT Image 2 HD are not in the table: we haven’t checked the provider’s prices for them. Our own prices and the official Google and OpenAI prices are on the “Pricing” page.

03Terms

Payment, starter credits, and operating mode

What Replicate’s pages say, next to our terms. Where a page is silent, we say so.

Terms: Replicate and Rendergrid

ConditionReplicateRendergrid
PaymentPrepaid credit: you buy credit first, and spending is deducted from it. The credit is valid for 1 year and isn’t refunded; there’s an automatic top-up (threshold from $5, amount from $15). Which payment methods they accept is not named on the checked pagessourceUSDT (crypto top-up): the full amount sent is credited to the balance
Credits at no chargenot checked: the home page has a button to start at no charge, and the size of a starter balance is not named on the pagesThere’s no trial balance
Synchronous or asynchronousAsynchronous by default: a prediction is created, and the result comes through polling or a webhook. Synchronous mode is the Prefer: wait header (it waits 60 seconds by default; if it doesn’t finish in time, an unfinished prediction comes back)sourceAsynchronous: POST returns 202 and an ID; the result comes through polling GET /creations/{id} (no more than once every 5 seconds) or a webhook
WebhooksYes: the webhook field in the request and the event filter webhook_events_filter (start, output, logs, completed); the delivery is signed (the webhook-id, webhook-timestamp, and webhook-signature headers); on a resend, webhook-id stays the samesource 1 source 2Yes: webhook_url in every request; the creation.completed and creation.failed events; an HMAC-SHA256 signature over the timestamp and the whole request body
Failed requestFor all models: if a run ends in an error, nothing is charged. A canceled run of an official model may be chargedsourceIf a generation fails, the charge is returned to the balance automatically; a declined request is refunded the same way
LimitsCreating a prediction: 600 requests per minute; other requests: 3,000 per minute; as the balance approaches zero, the limits tighten; a credit with no payment method attached: 1 request per second and no more than 6 per minutesourceBy default for a new account: 120 requests per minute and up to 100 generations queued or running; account limits can be adjusted to match your traffic
Result storageFor requests through the API, the input data, the result, files, and logs are deleted after an hour by defaultsourceResult files are stored for one day

Also on their pages

  • The Nano Banana Pro page has an allow_fallback_model option: if the model is overloaded, the request goes to another model and is charged at its price (on the page, $0.035 per image). source
  • Credit can’t be refunded: a top-up is valid for a year and isn’t refunded. source

Our terms in detail are in the documentation.

04Strengths

Where we’re stronger, and where Replicate is

Only what can be verified from public pages and our documentation.

Where Rendergrid is stronger

  • Result files stay with us for a day; at Replicate, for requests through the API, for an hour: to avoid losing the image, you have to take it right away or accept a webhook.
  • A common request format for all ten models: model, prompt, aspect_ratio, resolution. At Replicate the fields depend on the model: for Nano Banana, resolution; for GPT Image, pixel sizes in aspect_ratio and a separate quality field.
  • The webhook retry schedule is named in the documentation: up to five attempts with pauses of 60, 120, 240, and 480 seconds, and the delivery identifier doesn’t change. In the Replicate pages we checked, the retry schedule is not named.

Where Replicate is stronger

  • The catalog is wider: thousands of community models and more than a hundred official ones.
  • The request-creation limit is higher than our default: 600 per minute against 120.
  • A synchronous mode with one header: Prefer: wait returns the finished result in the response to the request.
  • GPT Image 2 has three qualities and GPT Image 2.5 has five; low costs $0.012 on their pages.
  • The webhook_events_filter field lets you receive only the events you need (start, output, logs, completed).

05Choosing

When to pick Replicate instead

We write this page as a participant in the comparison, so we name separately the cases where Replicate suits you better.

Pick Replicate if

  • You need a very broad catalog of models, including open ones, run through an HTTP API.
  • You need a synchronous call that waits within one request.
  • You need a request-creation limit above 120 per minute (our default).
  • You need GPT Image’s quality options and the low draft mode.

06Migration

Migrating to Rendergrid in three steps

If you decide to give it a try, here is what to change in the code. Parameters and responses are in the documentation.

  1. Key and address

    At Replicate, requests go to https://api.replicate.com/v1/models/<owner>/<model>/predictions with an Authorization: Bearer header. For us it is https://api.rendergrid.io/api/public/v1 with the same Authorization: Bearer header (or X-API-Key).

  2. Request

    Instead of a body of {"input": {...}}, call POST /images/generate: model, prompt, aspect_ratio, and resolution sit at the root of the JSON body; the webhook is set with the webhook_url field instead of webhook and webhook_events_filter. We don’t need the Prefer: wait header, since the response is always asynchronous. Add X-Idempotency-Key.

  3. Result

    Instead of a prediction with the statuses starting, processing, and succeeded, save the ID from the 202 response and poll GET /creations/{id} (queued, processing, completed, and failed; links in result_urls) or accept the creation.completed webhook. Our files are kept for a day, not an hour.

POST /images/generate · example request
IDEMPOTENCY_KEY="$(uuidgen)"
curl -X POST https://api.rendergrid.io/api/public/v1/images/generate \
  -H "Authorization: Bearer $RENDERGRID_API_KEY" \
  -H "Content-Type: application/json" \
  -H "X-Idempotency-Key: $IDEMPOTENCY_KEY" \
  -d '{
    "model": "nano-banana-2",
    "prompt": "a ceramic mug on a marble table",
    "resolution": "2K",
    "aspect_ratio": "1:1"
  }'

07FAQ

Frequently asked questions

How much does Nano Banana 2 cost at Replicate and at Rendergrid?
According to Replicate’s page, $0.067 per image at 1K (checked on ). At Rendergrid, Nano Banana 2 at 1K costs $0.025 per image. Prices change, so open the provider’s page before you decide: replicate.com/google/nano-banana-2.
How do you pay at Replicate and at Rendergrid?
Prepaid credit: you buy credit first, and spending is deducted from it. The credit is valid for 1 year and isn’t refunded; there’s an automatic top-up (threshold from $5, amount from $15). Which payment methods they accept is not named on the checked pages. At Rendergrid: USDT (crypto top-up): the full amount sent is credited to the balance.
Does Replicate work synchronously or asynchronously?
Asynchronous by default: a prediction is created, and the result comes through polling or a webhook. Synchronous mode is the Prefer: wait header (it waits 60 seconds by default; if it doesn’t finish in time, an unfinished prediction comes back). Rendergrid is asynchronous: POST returns 202 and an ID; the result comes through polling GET /creations/{id} (no more than once every 5 seconds) or a webhook.
How do I move from Replicate to Rendergrid?
Three steps: 1) key and address; 2) request; 3) result. The details and an example request are in the “Migration in three steps” section on this page.
What does allow_fallback_model mean for Nano Banana Pro on Replicate?
Replicate’s Nano Banana Pro page says the model can be overloaded. If you select the allow_fallback_model checkbox, the request goes to another model when capacity is short and is charged at that model’s price; the page gives that price as $0.035 per image. Without the checkbox, the request stays on Nano Banana Pro.
Where do these figures come from, and when were they checked?
All the Replicate data comes from its public pages, with links in the “Sources” section. Checked on . Rendergrid wrote this page, so we give a source for every figure.

08Sources

Sources and check date

All the Replicate data was taken from these pages, checked on . Prices change: open the provider’s page before you decide.

  1. 1
    Nano Banana Pro on Replicatereplicate.com/google/nano-banana-pro · checked on October 26, 2026
  2. 2
    Nano Banana 2 on Replicatereplicate.com/google/nano-banana-2 · checked on October 26, 2026
  3. 3
    Nano Banana 2.1 on Replicatereplicate.com/google/nano-banana-2.1 · checked on October 26, 2026
  4. 4
    GPT Image 2 on Replicatereplicate.com/openai/gpt-image-2 · checked on October 26, 2026
  5. 5
    GPT Image 2.5 Flare on Replicatereplicate.com/openai/gpt-image-2.5-flare · checked on October 26, 2026
  6. 6
    GPT Image 2.5 Sunburst on Replicatereplicate.com/openai/gpt-image-2.5-sunburst · checked on October 26, 2026
  7. 7
  8. 8
    Replicate: pricingreplicate.com/pricing · checked on October 26, 2026
  9. 9
    Replicate: official modelsreplicate.com/docs/topics/models/official-models · checked on October 26, 2026
  10. 10
    Replicate: billing (failed runs)replicate.com/docs/topics/billing · checked on October 26, 2026
  11. 11
    Replicate: prepaid creditreplicate.com/docs/topics/billing/prepaid-credit · checked on October 26, 2026
  12. 12
    Replicate: rate limitsreplicate.com/docs/topics/predictions/rate-limits · checked on October 26, 2026
  13. 13
    Replicate: creating a prediction (synchronous and asynchronous)replicate.com/docs/topics/predictions/create-a-prediction · checked on October 26, 2026
  14. 14
    Replicate: prediction lifecyclereplicate.com/docs/topics/predictions/lifecycle · checked on October 26, 2026
  15. 15
    Replicate: webhook setupreplicate.com/docs/topics/webhooks/setup-webhook · checked on October 26, 2026
  16. 16
    Replicate: webhook signature verificationreplicate.com/docs/topics/webhooks/verify-webhook · checked on October 26, 2026
  17. 17
    Replicate: data retentionreplicate.com/docs/topics/predictions/data-retention · checked on October 26, 2026
  18. 18
    Replicate: home pagereplicate.com · checked on October 26, 2026

Found an inaccuracy? Write to support@rendergrid.io. The correction process is described in “About the editors”.

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One price per image and resolution, signed webhooks, an automatic refund for a failed request.

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