Kie.ai vs Elyumfor Nano Banana Pro
Kie.ai bills Nano Banana Pro from a prepaid wallet; Elyum previews for free and charges 10 credits ($0.10) only when you keep a 4K take.
Nano Banana Pro is Google's 4K image model. It is the one you open when the brief is a poster, a product label, or a UI mock with type that has to read as type, not texture. Native 4K sits at 10 credits ($0.10) on Elyum; 1K is 5 credits ($0.05) and 2K is 7.5 credits ($0.07). Text-to-image and image editing live in the same weights, with 11 aspect ratios. The Nano Banana Pro page is the right place if you need the studio tagline in one line: best 4K images, near-perfect text.
The weights do not change. The bill does. Kie.ai sells Nano Banana Pro as one more Google image tier on a reseller API: one key, one prepaid credit wallet, failed tasks unpaid, no subscription table in the materials checked. Elyum is a studio with a published ladder and a keep/kill preview: credits move only when you keep a take. Elyum pricing is 1 credit = $0.01, with a Free grant of up to 150 credits (our algorithm may grant them) and paid seats from $9 a month. Kie.ai's documented edge is the wallet itself (minimum $5, credits that do not expire) and prices that third-party reviews put 30-70% under official APIs on other models. Kie.ai does not publish a Pro unit price, a watermark rule, or a commercial-use line for this model.
Two caveats sit on the table. Kie.ai's own pricing page returned 403 to automated fetch, so every Kie.ai dollar figure here is from third-party reviews and Kie.ai model pages, not a live rate card. Elyum does not ship a timeline editor, stock footage, avatars, a mobile app, team seats, or a community feed; if that is the job, stay on a tool that has it. For a wider Kie.ai rundown see the Kie.ai alternative page.
Nano Banana Pro on Kie.ai
Nano Banana Pro is listed among Kie.ai's Google Nano Banana image tiers. There is no plan gate in the research. Kie.ai is an API-first prepaid wallet, $5 minimum, plus a browser Playground and an async createTask API with webhooks. Signup is described in a BitDoze review as about 80 free test credits; that figure is not confirmed on Kie.ai's own pricing page. A Nano Banana Pro per-image price is not published. Sibling Nano Banana 2 is reported around $0.04 at 1K and $0.06 at 2K. Failed tasks are not charged, per Kie.ai's FAQ as cited by reviews.
A finished render you dislike is still a completed task. The research does not describe a keep/kill refund for ugly-but-successful images. Reviews on Aisofting and Ai Insights News report credits vanishing in platform glitches, support concentrated in Asian time zones, and a Trustpilot score around 2.5/5. Max resolution, watermark, and commercial terms for paid Nano Banana Pro files are not published. If you are pricing the cheaper Nano Banana 2 tier instead, use the Kie.ai vs Elyum Nano Banana 2 page.
Nano Banana Pro on Elyum
On Elyum, Nano Banana Pro is on the Free plan. 1K is 4.8 credits per render ($0.05). 2K is 7.2 credits per render ($0.07). 4K is 9.6 credits per render ($0.10). Capabilities are text to image and image editing. Every render returns as a free preview. You keep the take (that is when credits leave) or you kill it and the charge is refunded in full. A failed generation is never billed. Free accounts get one kill a month; Plus, Pro, and Ultra kill without that cap.
Kept files download without a watermark and include commercial use. You can run the same model from the web studio or from Claude, ChatGPT, and Cursor via the Elyum MCP server and a REST API. Pro ($29/mo) and Ultra ($69/mo) add fair-use unlimited image generation on selected image models; this page does not claim Nano Banana Pro is in that selected set. Plus is $9/mo. Credits can be topped up on any paid seat.
What a Nano Banana Pro take costs
| Scenario | Kie.ai | Elyum |
|---|---|---|
| One 4K render you keep | Not published for Nano Banana Pro (Kie.ai lists the tier). Sibling Nano Banana 2 is cited at about $0.04 to $0.06. | 10 credits ($0.10) at 4K. 1K is 5 credits ($0.05); 2K is 7.5 credits ($0.07). |
| Ten 4K renders, keep three | Ten successful tasks bill as ten. No keep/kill refund is described. Pro unit price not published. | 10 credits ($0.10). Seven kills refund in full on paid plans. |
| A failed generation | Not charged, per Kie.ai FAQ cited by reviews. Users also report credits vanishing without refund. | Never charged. |
| Monthly plan needed to access the model | None listed. Prepaid wallet, $5 minimum top-up. About 80 signup test credits (third-party). | None. Free plan includes up to 150 credits once (our algorithm may grant them), no card. Previews do not spend credits. |
| Watermark on the paid file | Not published. | No watermark on kept takes. Full quality download. |
| A bad take you discard | Treated as a completed task. No preview-kill refund described in the research. | Kill refunds the keep price in full. Free plan: one kill a month. Paid: unlimited kills. |
Elyum: 1 credit = $0.01, charged only when you keep a take. Kie.ai figures from its own pricing pages and independent reviews, verified 2026-09-07; sources at the end. Full rate card on the Nano Banana Pro page.
Where the two differ
Kie.ai uses a prepaid credit wallet at a third-party-reported $0.005 per credit, $5 minimum, credits do not expire. Elyum uses 1 credit = $0.01 and publishes Nano Banana Pro as 4.8 / 7.2 / 10 credits ($0.05 / $0.07 / $0.10).
Kie.ai does not charge failed tasks. It does not describe a refund for a successful image you hate. Elyum previews free, charges only on keep, and auto-refunds a kill. Reviews of Kie.ai also describe credits disappearing in glitches with uneven refunds.
Elyum publishes 1K, 2K, and 4K tiers and states no watermark plus commercial use on kept files. Kie.ai's max resolution, watermark, and commercial-use terms for Nano Banana Pro are not published.
Kie.ai's core product is one async createTask API plus a Playground. Elyum is a web studio plus MCP and REST; the API docs cover the latter. Kie.ai is the cleaner fit if your stack already uses that one createTask shape.
Kie.ai lists no monthly plans in the research. Elyum sells Free, Plus $9, Pro $29, Ultra $69. Access to Nano Banana Pro on Elyum does not require a paid seat; the Free 150-credit grant is enough for keeps after free previews.
Pick Kie.ai when
- One API key and one prepaid wallet across image, video, music, and chat models, with webhook-backed createTask.
- Credits do not expire, and the documented floor is a $5 top-up rather than a monthly seat.
- Third-party reviews put many Kie.ai model prices 30-70% under official APIs, including Nano Banana 2 around $0.04 to $0.06.
- Failed generation tasks are not charged, which matters if you are scripting retries.
Pick Elyum when
- Published Nano Banana Pro ladder: 4.8 / 7.2 / 9.6 credits ($0.05 / $0.07 / $0.10) and a free preview before any charge.
- Kill refunds a bad take in full. Paid plans kill without a monthly cap; failed jobs never bill.
- Kept files have no watermark and include commercial use, from the studio or via MCP and REST.
- Same Google weights, plus 50+ other models on one credit balance if the next job is video or audio.
Nano Banana Pro in three styles, rendered on Elyum
Getting the most out of Nano Banana Pro
- Put the exact on-image copy in quotes, including line breaks. Nano Banana Pro is sold on near-perfect type; vague 'headline about summer' is how you get pretty gibberish.
- Name the aspect ratio in the prompt. The model has 11. 4:5 or 1:1 for packaging, 9:16 for stories, 16:9 for banners. Do not crop a square after the fact if you need 4K type on the long edge.
- For ads, assign regions: hero product left, headline top third, legal line at the bottom. 4K will invent a layout if you only describe a vibe.
- On edits, lock what must not move. Replace the headline only. Keep the bottle, the label die-line, and the three-quarter key light. Open-ended 'make it better' shifts type you already approved.
- Specify the camera for product work: 85mm, f/8, softbox at 45 degrees, no tilt-shift. Do not write video language (dolly, 24fps, camera move). This is a still.
- Avoid packing a full ingredients panel or a 12-row pricing table into one frame. Near-perfect text still collapses when you treat the image like a PDF.
Frequently asked questions
How much does a Nano Banana Pro image cost on Elyum vs Kie.ai?
Is Nano Banana Pro the same model on both?
What happens to a bad Nano Banana Pro take?
Do I need a subscription to use Nano Banana Pro on Elyum?
Does Kie.ai charge for failed Nano Banana Pro jobs?
Can I call Nano Banana Pro from Claude or Cursor?
- Kie.ai Review 2026: One Cheap API for Nano Banana, Veo & Suno (accessed 2026-09-07)
- Kie AI Review 2026: Is This Cheap Multi-Model API Actually Worth The Risk? - Aisofting (accessed 2026-09-07)
- Kie AI Review (2026): Cheap AI APIs Come With a Catch - Ai Insights News (accessed 2026-09-07)
- Kie.ai Video Generation Guide: Veo 3.1, Kling 3.0 & Seedance API (accessed 2026-09-07)
- Seedance 2.5 Pricing: What We Know (2026) (accessed 2026-09-07)
- Wan3.0 API product page (accessed 2026-09-07)
- Kling 3.0 docs (accessed 2026-09-07)
- The Most Affordable Veo 3 AI API by Kie.ai (accessed 2026-09-07)
- What Is Hailuo H3? MiniMax Video Model Guide (accessed 2026-09-07)
- SaaSHub comparison: Veo 3 Prompt vs Kie.ai Veo 3 AI API (accessed 2026-09-07)
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Create everything. Keep the best.
Nano Banana Pro is a AI image generator you can preview free on Elyum. Keep the takes you love, kill the rest for a full refund.