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Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)

google/gemini-3-1-flash-image-preview
CompareAPITry this model

Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed.

Modalities
In / out per 1M$0.50 / $3.00
Context64K
ReleasedFeb 26, 2026

Providers

1 provider serves this model upstream.

Providers serving this model
ProviderInput /MOutput /MCache read /MLatency P50Throughput P50Uptime
Google AI Studio$0.50$3.00Variable1.56s157 tps98.96%

Market-wide measurements, refreshed every 15 minutes. They describe who serves Nano Banana 2 (Gemini 3.1 Flash Image Preview) in general, not how ProjectCOZY routes your requests.

Pricing

List rates per 1M tokens — what Nano Banana 2 (Gemini 3.1 Flash Image Preview) costs pay-as-you-go elsewhere, not what you pay here.

Input
$0.50
per 1M tokens
Output
$3.00
per 1M tokens
Cache read
—
not published
Included in every pass
Nano Banana 2 (Gemini 3.1 Flash Image Preview) is included in every ProjectCOZY pass at no extra cost — one flat rate, no per-token metering. The rates above are there for comparison.

Performance

Time to first token and output speed across every provider, over the last 3 days.

0.0s50.0s100.0s150.0s200.0s
Oct 29, 12 AMOct 29, 8 AMOct 29, 5 PMOct 30, 6 AMOct 30, 3 PMOct 31, 6 AMOct 31, 6 PMNov 1, 7 AM
Median 90th percentile 99th percentile
0 tok/s100 tok/s200 tok/s300 tok/s400 tok/s
Oct 29, 12 AMOct 29, 8 AMOct 29, 5 PMOct 30, 6 AMOct 30, 3 PMOct 31, 6 AMOct 31, 6 PMNov 1, 7 AM
Median 90th percentile 99th percentile

Uptime

100% of requests were served successfully over the last 3 days, across all providers.

Last 3 daysAvailability 97.58%
Oct 29, 6:00 PMNow
Availability over the last 24 hoursAvailability 97.06%
100% 95% 90% 85%
Oct 31, 6:10 PMNow

Apps

Tools that most often run Nano Banana 2 (Gemini 3.1 Flash Image Preview), by tokens this week.

TurnMeRoyal41.2% of tokens191.1MDragstrip20.4% of tokens94.7MGoogle Sheets Plugin17.2% of tokens79.8MOpenClawPersonal Agent · 10.8% of tokens50.3MStylematch10.3% of tokens47.8M

Activity

3.6B tokens processed market-wide in the last month.

050.0M100.0M150.0M200.0M
Oct 2Oct 7Oct 12Oct 17Oct 22Oct 27Nov 1
Tokens

FAQ

Which model id do I use for Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
google/gemini-3.1-flash-image-preview. Send it as the model field from any OpenAI-compatible client, against https://minuykh.app/v1.
How much context does Nano Banana 2 (Gemini 3.1 Flash Image Preview) hold?
65,536 tokens per request, of which up to 58,982 can be the response.
What can it accept and return?
Input: image, text. Output: image, text.
What does Nano Banana 2 (Gemini 3.1 Flash Image Preview) cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $0.50 per 1M input tokens and $3.00 per 1M output tokens.
Who built Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
Google, in the Nano family.

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