Skip to content

Nano Banana 2 (Gemini 3.1 Flash Image) vs Nano Banana Pro (Gemini 3 Pro Image)

Signal-by-Signal Comparison
SignalNano Banana 2 (Gemini 3.1 Flash Image)DeltaNano Banana Pro (Gemini 3 Pro Image)
Capabilities
86
-14
100
Pricing
97
+9
88
Context window size
91
--
91
Recency
100
--
100
Output Capacity
88
--
88
Overall Result
1 wins
of 5
1 wins
It's a tie - both models win 1 signals each

Score History

Score History (8 data points)
Nano Banana 2 (Gemini 3.1 Flash Image)Nano Banana Pro (Gemini 3 Pro Image)
Nano Banana 2 (Gemini 3.1 Flash Image)

40

current score

Leader

Tied

right now

Nano Banana Pro (Gemini 3 Pro Image)

40

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Nano Banana 2 (Gemini 3.1 Flash Image)

Google

Best Value
Per request$0.002000
Daily$6.67
Monthly$200.00
Annual$2400.00

Nano Banana Pro (Gemini 3 Pro Image)

Google

Per request$0.008000
Daily$26.67
Monthly$800.00
Annual$9600.00

Nano Banana 2 (Gemini 3.1 Flash Image) saves you $600.00/month

That's $7200.00/year compared to Nano Banana Pro (Gemini 3 Pro Image) at your current usage level of 100K calls/month.

75% cheaper
Choose Nano Banana 2 (Gemini 3.1 Flash Image) for cost optimization

Nano Banana 2 (Gemini 3.1 Flash Image) pricing:
Input:$0.50/M tokens
Output:$3.00/M tokens
Nano Banana Pro (Gemini 3 Pro Image) pricing:
Input:$2.00/M tokens
Output:$12.00/M tokens
Tie
Nano Banana 2 (Gemini 3.1 Flash Image)

Google

40

Composite Score

Tie
Nano Banana Pro (Gemini 3 Pro Image)

Google

40

Composite Score

Signal-by-Signal Comparison
MetricNano Banana 2 (Gemini 3.1 Flash Image)Nano Banana Pro (Gemini 3 Pro Image)Winner
Overall Score
40
40
--
Rank#5#6
Nano Banana 2 (Gemini 3.1 Flash Image)
Quality Rank#5#6
Nano Banana 2 (Gemini 3.1 Flash Image)
Adoption Rank#5#6
Nano Banana 2 (Gemini 3.1 Flash Image)
Parameters------
Context Window131K131K--
Pricing$0.50/$3.00/M$2.00/$12.00/M--
Signal Scores
Capabilities
86
100
Nano Banana Pro (Gemini 3 Pro Image)
Pricing
97
88
Nano Banana 2 (Gemini 3.1 Flash Image)
Context window size
91
91
Nano Banana 2 (Gemini 3.1 Flash Image)
Recency
100
100
Nano Banana 2 (Gemini 3.1 Flash Image)
Output Capacity
88
88
Nano Banana 2 (Gemini 3.1 Flash Image)
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Nano Banana 2 (Gemini 3.1 Flash Image)Entry Level

Scores 40/100 (rank #5), placing it in the top 99% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Nano Banana Pro (Gemini 3 Pro Image)Entry Level

Scores 40/100 (rank #6), placing it in the top 98% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose Nano Banana 2 (Gemini 3.1 Flash Image) when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving

Choose Nano Banana Pro (Gemini 3 Pro Image) when you need:

  • Agentic applications using tool/function calling
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Nano Banana 2 (Gemini 3.1 Flash Image)Best Value
Input cost$0.50/M tokens
Output cost$3.00/M tokens
Cost per quality point$0.087
Est. monthly (1M tokens/day)$52.50
Nano Banana Pro (Gemini 3 Pro Image)
Input cost$2.00/M tokens
Output cost$12.00/M tokens
Cost per quality point$0.350
Est. monthly (1M tokens/day)$210.00

Nano Banana 2 (Gemini 3.1 Flash Image) offers 75% better value per quality point. At 1M tokens/day, you'd spend $52.50/month with Nano Banana 2 (Gemini 3.1 Flash Image) vs $210.00/month with Nano Banana Pro (Gemini 3 Pro Image) - a $157.50 monthly difference.

Latency & Speed
Nano Banana 2 (Gemini 3.1 Flash Image)Faster
Speed score0/100
Nano Banana Pro (Gemini 3 Pro Image)
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Nano Banana 2 (Gemini 3.1 Flash Image)

Customer support chatbot

Suitable for user-facing chat with competitive response times. Nano Banana 2 (Gemini 3.1 Flash Image) also offers lower per-token costs for high-volume support

Nano Banana 2 (Gemini 3.1 Flash Image)

Long document analysis

Larger context window (131K tokens) can process longer documents, contracts, and research papers in a single pass

Nano Banana 2 (Gemini 3.1 Flash Image)

Batch data extraction

Lower output pricing ($3.00/M) reduces costs when processing thousands of records daily

Nano Banana 2 (Gemini 3.1 Flash Image)

Creative writing & content

Higher overall composite score (40/100) correlates with better nuance, coherence, and style in long-form content

Nano Banana 2 (Gemini 3.1 Flash Image)

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Nano Banana 2 (Gemini 3.1 Flash Image)
Which Should You Choose?
Our recommendation:
Nano Banana 2 (Gemini 3.1 Flash Image)

Nano Banana 2 (Gemini 3.1 Flash Image) and Nano Banana Pro (Gemini 3 Pro Image) are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

by Google

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 75% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by Google

Consider for specialized use cases.

Capability Comparison
CapabilityNano Banana 2 (Gemini 3.1 Flash Image)Nano Banana Pro (Gemini 3 Pro Image)
Vision (Image Input)
Function Callingdiffers
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Nano Banana 2 (Gemini 3.1 Flash Image)

Google

Best Value
$4.50
estimated monthly cost

Nano Banana Pro (Gemini 3 Pro Image)

Google

$18.00
estimated monthly cost

Nano Banana 2 (Gemini 3.1 Flash Image) saves you $13.50/month

That's 75% cheaper than Nano Banana Pro (Gemini 3 Pro Image) at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterNano Banana 2 (Gemini 3.1 Flash Image)Nano Banana Pro (Gemini 3 Pro Image)
Context Window131K131K
Max Output Tokens32,76832,768
Open SourceNoNo
CreatedJun 18, 2026Jun 18, 2026
Last updated: 58m ago

相关对比

Nano Banana 2 (Gemini 3.1 Flash Image) vs Nano Banana Pro (Gemini 3 Pro Image) (2026) | LM Market Cap