Nano Banana 2.1 Text-to-Image
Nano Banana 2.1 Text-to-Image is an advanced text-to-image synthesis model built on the upgraded Nano Banana 2.1 architecture. Engineered to convert complex natural language prompts directly into high-fidelity visual assets, it excels at composition execution, intricate lighting mechanics, and sharp typography rendering. Operating with support for dynamic aspect ratios and native resolutions up to 4K, it ensures precise photorealistic textures and consistent stylistic control across diverse artistic styles.
Pricing Notice: Prices listed here reflect iCreat AI's standard rates. Some models may be eligible for promotional discounts or special offers. Final charges are based on the real-time prices displayed in each model's Playground.
| Resolution | Price (USD) | Billing Unit |
|---|---|---|
| 1K | 0.04 | Per image |
| 2K | 0.06 | Per image |
| 4K | 0.135 | Per image |
Total cost = Price for the selected resolution + Number of reference images × $0.02.
Related Models
Nano Banana 2 Economy
Nano Banana 2 Economy offers an ultra-low-cost deployment channel for the Nano Banana 2 image generation model architecture. Engineered for scalable visual content workflows, it delivers sharp photorealistic textures, dynamic style adaptation, and precise prompt obedience across resolution tiers up to 4K at a flat cost per output. While retaining the core image synthesis capabilities of Nano Banana 2, this Economy channel operates with dynamic concurrency management and standard execution priority compared to the Official channel. It stands as an optimal choice for high-volume graphic design, social media content scaling, and automated design batching where unit cost efficiency is paramount.
Nano Banana 2.1
Nano Banana 2.1 Text-to-Image is a high-performance image generation model built upon a brand-new architecture—a significant evolution from Nano Banana 2.0. The model possesses exceptional natural language semantic understanding, enabling it to precisely translate complex text prompts into ultra-high-definition images featuring cinematic composition, nuanced lighting and shadows, realistic textures, and high-precision text rendering. It supports native resolutions up to 4K and customizable aspect ratios, demonstrating remarkable stability when handling complex scene compositions and the arrangement of multiple elements.
Nano Banana 2 Lite
Nano Banana 2 Lite is an ultra-fast, lightweight image generation model engineered for high-volume visual workflows and real-time interactive applications. Operating on an optimized Flash-Lite vision architecture, it achieves sub-2-second rendering latencies while dramatically lowering compute overhead. Despite its blazing speed, Nano Banana 2 Lite maintains vibrant color fidelity, accurate prompt comprehension, and reliable in-image typography rendering. It is the definitive workhorse for high-frequency social media assets, rapid design prototyping, interactive consumer apps, and automated e-commerce batch processing where instant generation speed and unit cost optimization take priority.
Nano Banana
Nano Banana is an ultra-fast, high-performance image generation model engineered for high-efficiency visual workflows. Built on next-generation vision technology, it excels at translating text prompts into crisp, vivid artwork, social media graphics, e-commerce assets, and stylized illustrations within seconds. Balancing rapid generation speed with rich texture quality and accurate prompt comprehension, Nano Banana provides digital creators, designers, and marketers with a dependable, cost-effective engine for high-volume content production and instant creative experimentation.
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Nano Banana 2.1 Text-to-Image API
Nano Banana 2.1 Text-to-Image is Google's high-fidelity multimodal image generation model, released as GA on 2026-10-06 (with Nano Banana 2 now marked as deprecated by Google). It delivers strong character and subject consistency, precise instruction following, natural language understanding, and support for multi-line text prompts, enabling fast generation of high-quality visual content.
On the iCreat platform, this model is served through the text-to-image endpoint https://api.icreat.ai/v1/task/submit/google/gemini-nano-banana-2-1/text-to-image, running as an asynchronous two-step task (submit, then poll for results). It supports three resolution tiers — 1K, 2K, and 4K — priced at $0.04, $0.06, and $0.135 per image respectively, with billing increasing as the resolution tier rises.
Model Positioning
Nano Banana 2.1 Text-to-Image is a dedicated pure text-to-image endpoint on the iCreat platform. It carries no image reference field, so it is purpose-built for generating images directly from a text prompt rather than for image-to-image or editing workflows. This distinguishes it from other endpoints in the same family, such as the Economy version (google/gemini-3-pro-image-economy) and the Pro version, which accept reference images for image-to-image generation and editing.
With a tiered pricing structure tied to output resolution, the model is positioned for users who need clean, prompt-driven image synthesis with flexible control over both resolution and aspect ratio. It is a strong fit for teams that want high-fidelity generation with predictable per-image costs and broad framing options.
Core Capabilities
Character and Subject Consistency
The model maintains strong consistency across generated subjects and characters, making it reliable for producing coherent visual content where identity and appearance need to remain stable.
Precise Instruction Following
It follows detailed prompts accurately, translating complex or layered instructions into the intended visual output with a high degree of fidelity.
Natural Language Understanding
Built on Google's multimodal foundation, the model interprets natural language prompts fluently, reducing the need for heavily engineered or keyword-stuffed inputs.
Multi-Line Text Prompts
The prompt field supports multi-line text, allowing users to structure detailed descriptions across several lines for richer, more controlled generation.
Fast, High-Quality Generation
It produces high-quality visual content quickly, supporting efficient iteration and production workflows.
Pricing
| Resolution | Price (USD) | Billing Unit |
|---|---|---|
| 1K | $0.04 | Per image |
| 2K | $0.06 | Per image |
| 4K | $0.135 | Per image |
Total cost = the price of the selected resolution tier × the number of images generated. Price increases with the resolution tier (1K $0.04 → 2K $0.06 → 4K $0.135), which differs from the flat $0.04 per image billing of Nano Banana 2.1 Economy.
Application Scenarios
- Generating high-fidelity images directly from text prompts
- Producing consistent characters and subjects for series or campaign visuals
- Creating marketing and social media assets across multiple aspect ratios
- Rapid concepting and storyboard visualization from detailed written descriptions
- Generating images at 1K, 2K, or 4K depending on the required output quality
Model Comparison
Comparison Table 1: Nano Banana 2.1 Text-to-Image vs Nano Banana 2.1 Economy
| Feature | Nano Banana 2.1 Text-to-Image | Nano Banana 2.1 Economy |
|---|---|---|
| Model ID | google/gemini-nano-banana-2-1/text-to-image |
google/gemini-3-pro-image-economy |
| Pricing | Tiered: 1K $0.04, 2K $0.06, 4K $0.135 per image | Flat $0.04 per image (same for 1K/2K/4K) |
| Reference Images | None (pure text-to-image endpoint) | Up to 11 reference images (image-to-image / editing) |
| Best For | Pure text-to-image generation | Editing and reference-guided generation |
Note: At the 4K tier, the two options differ in price by nearly 3×. Choose the Economy version when reference-image editing is required; for pure 1K text-to-image, both are priced the same.
Comparison Table 2: Same-Tier Text-to-Image Model Comparison
| Model | Developer | Pricing | Aspect Ratios |
|---|---|---|---|
| Nano Banana 2.1 Text-to-Image | 1K $0.04, 2K $0.06, 4K $0.135 per image | 10 options | |
| Seedream 5.0 Pro | ByteDance | 2K $0.09 per image | Seven sizes |
| Qwen Image 2.1 | Alibaba Cloud | Reference pricing: 2K-tier per-image billing | — |
Note: At the 1K tier, $0.04 is on par with comparable models; at the 2K tier, $0.06 is lower than Seedream 5.0 Pro's $0.09.
Why Choose Nano Banana 2.1 Text-to-Image?
- Strong character and subject consistency for coherent, repeatable results
- Precise instruction following and fluent natural language understanding
- Multi-line text prompt support for detailed control
- Three resolution tiers (1K/2K/4K) with predictable per-image pricing
- Ten aspect ratios covering standard, portrait, landscape, and ultrawide formats
- Fast generation of high-quality visual content
- Competitive 2K pricing compared with same-tier alternatives
Specifications
| Field | Value |
|---|---|
| Model Name | Nano Banana 2.1 Text-to-Image |
| Developer | |
| Model ID | google/gemini-nano-banana-2-1/text-to-image |
| Model Type | Image generation (text-to-image; high-fidelity multimodal AI image generation) |
| Endpoint | https://api.icreat.ai/v1/task/submit/google/gemini-nano-banana-2-1/text-to-image |
| Task Result Endpoint | https://api.icreat.ai/v1/task/result |
| Authentication | Authorization: Bearer ${ICREAT_API_KEY} |
| Input Modalities | Text (prompt) |
| Output Modalities | Image |
| Supported Resolutions | 1K, 2K, 4K |
| Aspect Ratios | 1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9 |
| Prompt | Multi-line text supported |
| Billing Unit | Per image, tiered by resolution |
| API Mode | Asynchronous two-step (submit task, then poll for result) |
Architecture
Nano Banana 2.1 Text-to-Image is built on Google's Nano Banana 2.1 multimodal image generation foundation. The upstream model provides a context window of 131,072 tokens with a maximum output of 32,768 tokens, supporting rich prompt interpretation and detailed visual synthesis.
On the iCreat platform, the model is exposed as an asynchronous task API. A request is submitted to the text-to-image endpoint with a top-level, flat request body containing prompt, image_size, and aspect_ratio. The platform returns a task_id, which is then used against the task result endpoint to poll for completion. During processing, the result field is an empty array; once the task succeeds, result contains Image resources with url and download_url, and costUSD is returned only on success.
Notes
- Both steps use the same
task_id; while processing,resultis[], so polling must continue until the task reaches a terminal state. FAILEDis a terminal state. If a task fails, check the prompt, aspect ratio, and other request parameters.- The request body uses top-level flat fields.
- The
promptfield supports multi-line text. image_sizeaccepts three tiers: 1K, 2K, and 4K.aspect_ratioaccepts 10 values: 1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9.- This endpoint is pure text-to-image and has no reference image input field. For image-to-image or editing, use a same-family endpoint that supports reference images.
costUSDis returned only when the task succeeds.
Frequently Asked Questions
How do I call Nano Banana 2.1 Text-to-Image?
Call it as an asynchronous two-step task. Submit a request to https://api.icreat.ai/v1/task/submit/google/gemini-nano-banana-2-1/text-to-image with Bearer authentication and a top-level flat request body containing prompt, image_size, and aspect_ratio. Then poll https://api.icreat.ai/v1/task/result with the returned task_id until the task completes.
How is the cost calculated?
Billing is tiered by resolution: $0.04 per image at 1K, $0.06 per image at 2K, and $0.135 per image at 4K. For example, generating 2 images at 2K costs $0.12. The response includes costUSD only when the task succeeds.
Which resolution tiers are supported?
Three tiers are supported: 1K, 2K, and 4K. Price increases as the resolution tier rises.
Which aspect ratios are supported?
Ten aspect ratios are supported: 1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, and 21:9.
What is the difference between this and Nano Banana 2.1 Economy?
This endpoint is pure text-to-image and bills by resolution tier. The Economy version is billed at a flat $0.04 per image and supports up to 11 reference images for editing. At the 4K tier, the Economy version is cheaper, while for pure 1K text-to-image both are priced the same.
What upgrades does it offer over Nano Banana 2?
Per Google's official statements, it delivers better visual detail and prompt adherence, more accurate text rendering and infographic layout, stronger subject consistency across multi-turn editing, and fixes for panoramic aspect ratio tiling artifacts at 2K and 4K.