AI 模型情報

Nano Banana 2 (Gemini 3.1 Flash Image)

openrouter/gemini-3-1-flash-image

出品方: openrouter · 系列: gemini · 發布 2026-06-18

⚠ 本模型為社群微調 / 衍生版本,並非廠商官方發布。

$0.500
輸入 / 1M token
$3.00
輸出 / 1M token
131K
上下文長度
33K
最大輸出

Prices in USD per 1M tokens. Unknown means the provider does not publish per-token pricing.

能力清單

工具呼叫推理結構化輸出附件開放權重溫度可調
支援模態: 輸入 image, text · 輸出 image, text

Model fit scores

0–100 · higher is better

These 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.

Coding33
  • Tool calling0/40
  • Structured output20/20
  • Reasoning10/10
  • Context window (100K → 1M)2/20
  • Provider availability1/10
Agents56
  • Tool calling0/35
  • Structured output25/25
  • Reasoning15/15
  • Output token limit15/15
  • Provider availability1/10
JSON / structured output73
  • Structured output / JSON mode50/50
  • Tool calling0/20
  • Temperature control10/10
  • Price-friendly for high-volume13/20
Cost efficiency49
  • Headline price (log-scaled)49/95
  • Has prompt-cache pricing0/5
Long context46
  • Context window (100K → 2M)36/90
  • Has published price for full window10/10
Vision78
  • Accepts image input50/50
  • Context window (10K → 1M)17/30
  • Has published price10/10
  • Provider availability1/10
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.

ScenarioCostAssumption
RAG answer
per 1,000 RAG answers
$4.00
< $0.01 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
$8.00
< $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
$2.50
< $0.01 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
$7.00
< $0.01 per request
8K input tokens (diff + surrounding files) and a 1K-token review comment. PR-bot workloads.
Agent step
per 1,000 steps
$7.80
< $0.01 per request
12K input tokens (long-running tool history) and a 600-token tool-call decision. Cost per agent step.

定價詳情

推薦定價來自 openrouter · google/gemini-3.1-flash-image

$0.500
輸入
$3.00
輸出

於 1 家供應商可用

服務商服務商模型 ID輸入 / 1M輸出 / 1M上下文發布日期
OpenRouter
openrouter
google/gemini-3.1-flash-image$0.500$3.00131K2026-06-18

Frequently asked questions

How much does Nano Banana 2 (Gemini 3.1 Flash Image) cost?

Nano Banana 2 (Gemini 3.1 Flash Image) costs $0.500 per 1M input tokens and $3.00 per 1M output tokens, sourced from openrouter. 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 2 (Gemini 3.1 Flash Image)?

Nano Banana 2 (Gemini 3.1 Flash Image) has a context window of 131K tokens, with a max output of 33K tokens per reply. This is the total combined size of prompt + completion.

Does Nano Banana 2 (Gemini 3.1 Flash Image) support tool calling?

No. Nano Banana 2 (Gemini 3.1 Flash 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 2 (Gemini 3.1 Flash Image) support structured output / JSON mode?

Yes. Nano Banana 2 (Gemini 3.1 Flash Image) supports structured output / JSON-schema-constrained decoding. This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.

Can Nano Banana 2 (Gemini 3.1 Flash Image) accept image input?

Yes. Nano Banana 2 (Gemini 3.1 Flash Image) accepts both text and image input. Vision pricing per image is usually billed on top of the regular token rate — check openrouter's docs for the exact rule.

Is Nano Banana 2 (Gemini 3.1 Flash Image) open-weight?

No. Nano Banana 2 (Gemini 3.1 Flash Image) is a proprietary model — only openrouter (and any approved hosting partners) can serve it. The pricing above reflects the cheapest API access.

What are the best alternatives to Nano Banana 2 (Gemini 3.1 Flash Image)?

If Nano Banana 2 (Gemini 3.1 Flash Image) doesn't fit, consider Ling-2.6-1T, Ring-2.6-1T, Ling-2.6-flash. 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 are normalised into a single canonical model record and reconciled with each provider's official documentation. We re-pull daily and write any changes (price, context, capability) to the /changelog page.

More openrouter models

最近更新:

Pricing and capabilities are refreshed daily and reconciled against each provider's official documentation. Always verify critical production decisions with the provider directly.