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FLUX.1 Pro vs Nano Banana Pro (Gemini 3 Pro Image Preview)

Signal-by-Signal Comparison
SignalFLUX.1 ProDeltaNano Banana Pro (Gemini 3 Pro Image Preview)
Capabilities
14
-71
86
Pricing
5
-83
88
Context window size
0
-86
86
Recency
0
-85
85
Output Capacity
20
-68
88
Overall Result
0 wins
of 5
5 wins
Nano Banana Pro (Gemini 3 Pro Image Preview) wins 5 of 5 signals

Score History

Score History (25 data points)
FLUX.1 ProNano Banana Pro (Gemini 3 Pro Image Preview)
FLUX.1 Pro

8

current score

Leader

Nano Banana Pro (Gemini 3 Pro Image Preview)

right now

Nano Banana Pro (Gemini 3 Pro Image Preview)

40

current score

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

FLUX.1 Pro

Black Forest Labs

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

Nano Banana Pro (Gemini 3 Pro Image Preview)

Google

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

FLUX.1 Pro saves you $800.00/month

That's $9600.00/year compared to Nano Banana Pro (Gemini 3 Pro Image Preview) at your current usage level of 100K calls/month.

100% cheaper
Choose FLUX.1 Pro for cost optimization

FLUX.1 Pro pricing:
Input:$0.00/M tokens
Output:$0.00/M tokens
Nano Banana Pro (Gemini 3 Pro Image Preview) pricing:
Input:$2.00/M tokens
Output:$12.00/M tokens
FLUX.1 Pro

Black Forest Labs

8

Composite Score

Signal-by-Signal Comparison
MetricFLUX.1 ProNano Banana Pro (Gemini 3 Pro Image Preview)Winner
Overall Score
8
40
Nano Banana Pro (Gemini 3 Pro Image Preview)
Rank#13#8
Nano Banana Pro (Gemini 3 Pro Image Preview)
Quality Rank#13#8
Nano Banana Pro (Gemini 3 Pro Image Preview)
Adoption Rank#13#8
Nano Banana Pro (Gemini 3 Pro Image Preview)
Parameters------
Context Window--66K--
PricingFree$2.00/$12.00/M--
Signal Scores
Capabilities
14
86
Nano Banana Pro (Gemini 3 Pro Image Preview)
Pricing
5
88
Nano Banana Pro (Gemini 3 Pro Image Preview)
Context window size
0
86
Nano Banana Pro (Gemini 3 Pro Image Preview)
Recency
0
85
Nano Banana Pro (Gemini 3 Pro Image Preview)
Output Capacity
20
88
Nano Banana Pro (Gemini 3 Pro 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.

FLUX.1 ProLimited

Scores 8/100 (rank #13), placing it in the top 96% of all 290 models tracked.

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

Scores 40/100 (rank #8), placing it in the top 98% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Nano Banana Pro (Gemini 3 Pro 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 FLUX.1 Pro when you need:

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

Choose Nano Banana Pro (Gemini 3 Pro 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
FLUX.1 Pro
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 Pro (Gemini 3 Pro Image Preview)
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

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

Latency & Speed
FLUX.1 ProFaster
Speed score0/100
Nano Banana Pro (Gemini 3 Pro 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

FLUX.1 Pro

Customer support chatbot

Suitable for user-facing chat with competitive response times. FLUX.1 Pro also offers lower per-token costs for high-volume support

FLUX.1 Pro

Long document analysis

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

Nano Banana Pro (Gemini 3 Pro Image Preview)

Batch data extraction

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

FLUX.1 Pro

Creative writing & content

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

Nano Banana Pro (Gemini 3 Pro Image Preview)

Image understanding & OCR

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

Nano Banana Pro (Gemini 3 Pro Image Preview)
Which Should You Choose?
Our recommendation:
Nano Banana Pro (Gemini 3 Pro Image Preview)

Nano Banana Pro (Gemini 3 Pro Image Preview) clearly outperforms FLUX.1 Pro with a significant 32-point lead. For most general use cases, Nano Banana Pro (Gemini 3 Pro Image Preview) is the stronger choice. However, FLUX.1 Pro may still excel in niche scenarios.

by Black Forest Labs

  • 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
CapabilityFLUX.1 ProNano Banana Pro (Gemini 3 Pro 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)

FLUX.1 Pro

Black Forest Labs

Best Value
$0.000000
estimated monthly cost

Nano Banana Pro (Gemini 3 Pro Image Preview)

Google

$18.00
estimated monthly cost

FLUX.1 Pro saves you $18.00/month

That's 100% cheaper than Nano Banana Pro (Gemini 3 Pro 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
ParameterFLUX.1 ProNano Banana Pro (Gemini 3 Pro Image Preview)
Context Window--66K
Max Output Tokens--32,768
Open SourceNoNo
CreatedAug 1, 2024Nov 20, 2025
Frequently Asked Questions

The 4166.7x price difference appears deliberate, positioning FLUX.1 Pro as an enterprise-only solution despite its limited capabilities (no vision, streaming, or reasoning) and lower performance score of 13/100. This pricing strategy effectively gates access to Black Forest Labs' image generation, which may reflect either extreme computational costs or artificial scarcity compared to Google's more accessible Gemini 3 Pro offering at $12/M output tokens.

Nano Banana Pro's 44-point score advantage stems from its text+image->text+image multimodality versus FLUX.1 Pro's limited text->image generation, plus its 66K token context window enabling complex visual reasoning tasks. The scoring likely reflects both output quality and versatility, where FLUX.1 Pro's singular focus on image generation without vision understanding, streaming, or JSON mode severely limits its practical applications despite potentially high-quality outputs.

FLUX.1 Pro's specialization in pure text->image generation might produce superior artistic results for specific creative workflows, justifying the $50/image cost at 1K resolution for premium applications. However, Nano Banana Pro's vision capabilities, 33K max output tokens, and reasonable $2/M input pricing enable iterative editing workflows that FLUX.1 Pro simply cannot support, making the Google option more practical for 99% of photo editing use cases.

FLUX.1 Pro's zero-token context window and lack of vision/reasoning capabilities suggest a dedicated diffusion architecture optimized solely for image synthesis, while Nano Banana Pro's 66K context window and multimodal design indicates a transformer-based foundation model approach. The 4166.7x pricing differential and Nano Banana Pro's streaming support point to Google leveraging existing Gemini infrastructure for efficiency, whereas Black Forest Labs appears to run computationally expensive specialized hardware.

At Nano Banana Pro's $12/M output rate, you could generate 4,166 images for the cost of one FLUX.1 Pro image, but the real advantage lies in the $2/M input pricing and vision capabilities enabling closed-loop refinement. For any application requiring more than 24 images per year (at $50 each versus $0.012 each), Nano Banana Pro becomes cost-effective, not counting the additional value from its reasoning capabilities and 33K token outputs for detailed image descriptions.

Last updated: 25m ago

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