Nano Banana Pro (Gemini 3 Pro Image)
vercel/gemini-3-pro-imageBy vercel · family: gemini-pro · released 2025-09 · knowledge: 2025-03
⚠ This is a community fine-tune or derivative — not an official vendor release.
Prices in USD per 1M tokens. Unknown means the provider does not publish per-token pricing.
Capabilities
Model fit scores
0–100 · higher is betterThese scores reward declared capabilities, context size, price and provider availability — they are not benchmark results. Use them as a directional signal alongside your own evaluation.
Coding1
- Tool calling0/40
- Structured output0/20
- Reasoning0/10
- Context window (100K → 1M)0/20
- Provider availability1/10
Agents16
- Tool calling0/35
- Structured output0/25
- Reasoning0/15
- Output token limit15/15
- Provider availability1/10
JSON / structured output10
- Structured output / JSON mode0/50
- Tool calling0/20
- Temperature control10/10
- Price-friendly for high-volume0/20
Cost efficiency10
- Headline price (log-scaled)10/95
- Has prompt-cache pricing0/5
Long context0
- Context ≥ 100K0/100
Production-readiness50
- Number of independent providers5/40
- Has published per-token price20/20
- Context window ≥ 8K15/15
- No data inconsistencies across providers10/10
- Official model (not derivative)0/15
Cost Efficiency Index
Open full calculator →Estimated cost using the recommended provider's headline rate. Each scenario fixes average input/output tokens — the assumptions are shown in the third column.
| Scenario | Cost | Assumption |
|---|---|---|
RAG answer per 1,000 RAG answers | $70.00 $0.07 per request | 5K input tokens (query + 4 retrieved chunks of ~1K each) and a 500-token answer. Typical SaaS knowledge-base bot. |
Support ticket triage per 10,000 tickets | $140 $0.01 per request | 1K input tokens (ticket body + system prompt) and a 100-token JSON classification reply. High-volume customer support. |
Data extraction per 1,000 documents | $64.00 $0.06 per request | 2K input tokens (a single document page) and a 500-token JSON extraction. ETL / invoice / form pipelines. |
Code review per 1,000 PRs | $136 $0.14 per request | 8K input tokens (diff + surrounding files) and a 1K-token review comment. PR-bot workloads. |
Agent step per 1,000 steps | $96.00 $0.10 per request | 12K input tokens (long-running tool history) and a 600-token tool-call decision. Cost per agent step. |
Pricing detail
Recommended pricing from vercel · google/gemini-3-pro-image
Available on 1 providers
| Provider | Provider model id | Input / 1M | Output / 1M | Context | Released |
|---|---|---|---|---|---|
| Vercel AI Gateway vercel | google/gemini-3-pro-image | $2.00 | $120.00 | 66K | 2025-09 |
Frequently asked questions
How much does Nano Banana Pro (Gemini 3 Pro Image) cost?
Nano Banana Pro (Gemini 3 Pro Image) costs $2.00 per 1M input tokens and $120.00 per 1M output tokens, sourced from vercel. Cache reads, audio tokens and >200K-context tiers (where applicable) are listed in the Pricing detail block above.
What is the context window of Nano Banana Pro (Gemini 3 Pro Image)?
Nano Banana Pro (Gemini 3 Pro Image) has a context window of 66K tokens, with a max output of 33K tokens per reply. This is the total combined size of prompt + completion.
Does Nano Banana Pro (Gemini 3 Pro Image) support tool calling?
No. Nano Banana Pro (Gemini 3 Pro Image) does not support tool calling (function calling). If your workflow requires it, look at the /capabilities/tool-calling list for alternatives.
Does Nano Banana Pro (Gemini 3 Pro Image) support structured output / JSON mode?
Support for structured output / JSON-schema-constrained decoding is not reported for Nano Banana Pro (Gemini 3 Pro Image) in our data source. Verify with vercel's official documentation before relying on it in production.
Can Nano Banana Pro (Gemini 3 Pro Image) accept image input?
No. Nano Banana Pro (Gemini 3 Pro Image) only accepts text as input. If you need image input, see our /capabilities/vision list for current vision-capable models.
Is Nano Banana Pro (Gemini 3 Pro Image) open-weight?
No. Nano Banana Pro (Gemini 3 Pro Image) is a proprietary model — only vercel (and any approved hosting partners) can serve it. The pricing above reflects the cheapest API access.
What are the best alternatives to Nano Banana Pro (Gemini 3 Pro Image)?
If Nano Banana Pro (Gemini 3 Pro Image) doesn't fit, consider Trinity Mini, Trinity Large Thinking, Trinity Large Preview. Each one targets the same use case — see the Related links below for direct head-to-head pages.
Where does this data come from?
All numbers come from the public models.dev API and are normalised into a single canonical model record. We re-pull daily and write any changes (price, context, capability) to the /changelog page.
Explore more
More vercel models
- Trinity Mini$0.05 in / $0.15 out
- Trinity Large Thinking$0.25 in / $0.90 out
- Trinity Large Preview$0.25 in / $1.00 out
- INTELLECT 3$0.20 in / $1.10 out
- Titan Text Embeddings V2$0.02 in / $0.00 out
Last updated:
Data is sourced from models.dev and normalized for comparison. Prices and capabilities may change. Always verify critical production decisions with the provider's official documentation.