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Leonardo Phoenix vs Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Signal-by-Signal Comparison
SignalLeonardo PhoenixDeltaNano Banana 2 (Gemini 3.1 Flash Image Preview)
Capabilities
14
-71
86
Pricing
100
+3
97
Context window size
0
-86
86
Recency
0
-100
100
Output Capacity
20
-74
94
Overall Result
1 wins
of 5
4 wins
Nano Banana 2 (Gemini 3.1 Flash Image Preview) wins 4 of 5 signals

Score History

Score History (25 data points)
Leonardo PhoenixNano Banana 2 (Gemini 3.1 Flash Image Preview)
Leonardo Phoenix

8

current score

Leader

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

right now

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

40

current score

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

Leonardo Phoenix

Leonardo AI

Best Value
Per request$0.000000
Daily$0.00
Monthly$0.00
Annual$0.00

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Google

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

Leonardo Phoenix saves you $200.00/month

That's $2400.00/year compared to Nano Banana 2 (Gemini 3.1 Flash Image Preview) at your current usage level of 100K calls/month.

100% cheaper
Choose Leonardo Phoenix for cost optimization

Leonardo Phoenix pricing:
Input:$0.00/M tokens
Output:$0.00/M tokens
Nano Banana 2 (Gemini 3.1 Flash Image Preview) pricing:
Input:$0.50/M tokens
Output:$3.00/M tokens
Leonardo Phoenix

Leonardo AI

8

Composite Score

Signal-by-Signal Comparison
MetricLeonardo PhoenixNano Banana 2 (Gemini 3.1 Flash Image Preview)Winner
Overall Score
8
40
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Rank#15#7
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Quality Rank#15#7
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Adoption Rank#15#7
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Parameters------
Context Window--66K--
PricingFree$0.50/$3.00/M--
Signal Scores
Capabilities
14
86
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Pricing
100
97
Leonardo Phoenix
Context window size
0
86
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Recency
0
100
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Output Capacity
20
94
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
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.

Leonardo PhoenixLimited

Scores 8/100 (rank #15), placing it in the top 95% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Nano Banana 2 (Gemini 3.1 Flash Image Preview)Entry Level

Scores 40/100 (rank #7), placing it in the top 98% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Nano Banana 2 (Gemini 3.1 Flash Image Preview) has a 32-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Leonardo Phoenix when you need:

  • High-volume production workloads where API costs must be minimized

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

  • Processing long documents or large codebases (66K token context)
  • Multimodal workflows that require image understanding
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Leonardo Phoenix
Input cost$0.00/M tokens
Output cost$0.00/M tokens
Cost per quality point$0.000
Est. monthly (1M tokens/day)$0.00
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
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

Compare the cost per quality point to find the best value for your specific workload.

Latency & Speed
Leonardo PhoenixFaster
Speed score0/100
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
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

Leonardo Phoenix

Customer support chatbot

Suitable for user-facing chat with competitive response times. Leonardo Phoenix also offers lower per-token costs for high-volume support

Leonardo Phoenix

Long document analysis

Larger context window (66K tokens) can process longer documents, contracts, and research papers in a single pass

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Batch data extraction

Lower output pricing ($0.00/M) reduces costs when processing thousands of records daily

Leonardo Phoenix

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 Preview)

Image understanding & OCR

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

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

Nano Banana 2 (Gemini 3.1 Flash Image Preview) clearly outperforms Leonardo Phoenix with a significant 32-point lead. For most general use cases, Nano Banana 2 (Gemini 3.1 Flash Image Preview) is the stronger choice. However, Leonardo Phoenix may still excel in niche scenarios.

by Leonardo AI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 100% 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
CapabilityLeonardo PhoenixNano Banana 2 (Gemini 3.1 Flash Image Preview)
Vision (Image Input)differs
Function Calling
Streamingdiffers
JSON Modediffers
Reasoningdiffers
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Leonardo Phoenix

Leonardo AI

Best Value
$0.000000
estimated monthly cost

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Google

$4.50
estimated monthly cost

Leonardo Phoenix saves you $4.50/month

That's 100% cheaper than Nano Banana 2 (Gemini 3.1 Flash Image Preview) 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
ParameterLeonardo PhoenixNano Banana 2 (Gemini 3.1 Flash Image Preview)
Context Window--66K
Max Output Tokens--65,536
Open SourceNoNo
CreatedAug 1, 2024Feb 26, 2026
Frequently Asked Questions

Nano Banana 2's 62/100 score reflects its multimodal capabilities beyond pure image generation - it handles text+image inputs and outputs with a 66K token context window, while Leonardo Phoenix is limited to text-to-image conversion with 0 tokens. The score gap also reflects Nano Banana 2's additional features like vision understanding, streaming, and reasoning capabilities that Leonardo Phoenix lacks entirely.

Leonardo Phoenix would cost $0 for 100K generations while Nano Banana 2 would cost $300 ($3/M output × 0.1M generations). However, Nano Banana 2's multimodal capabilities mean you're paying for image analysis, JSON-structured outputs, and reasoning about images - features Leonardo Phoenix doesn't offer at any price point.

Leonardo Phoenix makes sense for pure text-to-image workflows where you need zero API costs and don't require vision analysis or structured outputs. Its 16/100 score and bottom-tier ranking indicate lower image quality, but for prototyping or non-critical image generation at scale, the $0 pricing beats Nano Banana 2's $3/M output cost by infinite margin.

Leonardo Phoenix's single-purpose architecture means 0 token context and no ability to iterate on images or understand visual inputs, limiting it to one-shot generations. Nano Banana 2's 66K token context enables complex multi-turn image editing workflows, visual Q&A, and combining image generation with reasoning - explaining its 9-position rank advantage despite higher costs.

The primary challenge is cost - going from $0 to $3/M output pricing requires budget approval and usage monitoring. Additionally, Leonardo's simple text-to-image API differs fundamentally from Nano Banana 2's multimodal interface that expects structured prompts and can return JSON-formatted responses, requiring code rewrites to leverage its vision and reasoning capabilities.

Last updated: 41m ago

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Leonardo Phoenix vs Nano Banana 2 (Gemini 3.1 Flash Image Preview) (2026) | LM Market Cap