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Models/Google

Nano Banana 2

Image model for prompt-driven generation, editing, and visual design workflows

Source-linked gemini-flash Closed weights Released 2026-02-26
API data Report
Input modalitiesT
Output modalitiesT
Input price$0.5/1M tokens
Output price$3/1M tokens
Context window65.536K
Max output65.536K
Overview

Capabilities and specifications

✓ Reasoning Yes
× Tool calling No
? Structured output Unknown
✓ Attachments Yes
✓ Vision input Yes
× Open weights No
Creator
Google
Model family
gemini-flash
Knowledge cutoff
2025-01
License
Not documented
Release date
2026-02-26
Model ID
google/gemini-3.1-flash-image-preview
Inference availability

Provider pricing and availability

Provider-specific identifiers, limits, and prices per million tokens.

Report a price
Providers offering Nano Banana 2
ProviderProvider model IDContextInputOutputCache readCapabilitiesSource
Vercel AI Gateway google/gemini-3.1-flash-image-preview 131.072K $0.5 $3 $0.05 Reasoning Docs
Google gemini-3.1-flash-image-preview 65.536K $0.5 $60 - Reasoning Docs
Abacus gemini-3.1-flash-image-preview 1.04858M $0.5 $3 - Reasoning Docs
Kilo Gateway google/gemini-3.1-flash-image-preview 65.536K $0.5 $3 - Reasoning Docs
OpenRouter google/gemini-3.1-flash-image-preview 65.536K $0.5 $3 - ReasoningJSON Docs
FastRouter google/gemini-3.1-flash-image-preview 65.536K $0.5 $3 - Reasoning Docs
Vertex gemini-3.1-flash-image 131.072K $0.5 $60 - Reasoning Docs

Capability badges appear only when the provider catalog explicitly lists support.

Serving quality

Performance and reliability

Observed serving measurements stay separate from model specifications and are never estimated from price or model size.

Throughput Not reported

Generation speed; higher is faster.

Latency / TTFT Not reported

Time until the first output token arrives.

Uptime Not reported

Successful requests over a measured period.

Performance varies by inference provider, region, and load. Provider-level measurements appear only when a source reports them.

Published evaluations

Benchmarks

Raw results remain attached to their original source and version.

Benchmark registry
Design Arena: graphicdesign - Unversioned - eloTop 5 reported models
Nano Banana 2
1287.0
Nano Banana Pro
1277.0
OpenAI: GPT-5 Image
1199.0
Nano Banana
1194.0
OpenAI: GPT-5 Image Mini
1193.0
Design Arena: image - Unversioned - eloTop 5 reported models
Nano Banana 2
1299.0
Nano Banana Pro
1266.0
OpenAI: GPT-5 Image
1214.0
Nano Banana
1209.0
OpenAI: GPT-5 Image Mini
1206.0
Design Arena: logo - Unversioned - eloTop 5 reported models
Nano Banana 2
1276.0
Nano Banana Pro
1254.0
OpenAI: GPT-5 Image Mini
1222.0
OpenAI: GPT-5 Image
1215.0
Nano Banana
1182.0
Catalog activity

Recent record changes

Detected changes from successful source imports.

Full change log
Price Completion60.0 → 3.0
Price Completion3.0 → 60.0
Price Completion60.0 → 3.0
Price Completion3.0 → 60.0
Price Completion60.0 → 3.0
Price Completion3.0 → 60.0
Price Completion60.0 → 3.0
Max Output Tokens32768 → 65536
Public API

Use this record

Fetch the complete source-linked model record without an API key.

API documentation
Endpoint
GET https://www.modelbench.lol/api/v1/models/google/gemini-3.1-flash-image-preview
curl
curl "https://www.modelbench.lol/api/v1/models/google/gemini-3.1-flash-image-preview"