GPT-5 Image Mini vs Nano Banana Pro (Gemini 3 Pro Image Preview)
| Signal | GPT-5 Image Mini | Delta | Nano Banana Pro (Gemini 3 Pro Image Preview) |
|---|---|---|---|
Capabilities | 86 | -- | |
Benchmarks | 88 | +88 | |
Pricing | 98 | +10 | |
Context window size | 100 | +14 | |
Recency | 79 | -6 | |
Output Capacity | 100 | +12 | |
| Overall Result | 4 wins | of 6 | 1 wins |
Score History
88.5
current score
GPT-5 Image Mini
right now
40
current score
GPT-5 Image Mini
OpenAI
Nano Banana Pro (Gemini 3 Pro Image Preview)
GPT-5 Image Mini saves you $450.00/month
That's $5400.00/year compared to Nano Banana Pro (Gemini 3 Pro Image Preview) at your current usage level of 100K calls/month.
| Metric | GPT-5 Image Mini | Nano Banana Pro (Gemini 3 Pro Image Preview) | Winner |
|---|---|---|---|
| Overall Score | 89 | 40 | GPT-5 Image Mini |
| Rank | #2 | #8 | GPT-5 Image Mini |
| Quality Rank | #2 | #8 | GPT-5 Image Mini |
| Adoption Rank | #2 | #8 | GPT-5 Image Mini |
| Parameters | -- | -- | -- |
| Context Window | 400K | 66K | GPT-5 Image Mini |
| Pricing | $2.50/$2.00/M | $2.00/$12.00/M | -- |
| Signal Scores | |||
| Capabilities | 86 | 86 | GPT-5 Image Mini |
| Benchmarks | 88 | -- | GPT-5 Image Mini |
| Pricing | 98 | 88 | GPT-5 Image Mini |
| Context window size | 100 | 86 | GPT-5 Image Mini |
| Recency | 79 | 85 | Nano Banana Pro (Gemini 3 Pro Image Preview) |
| Output Capacity | 100 | 88 | GPT-5 Image Mini |
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.
Scores 89/100 (rank #2), placing it in the top 100% of all 290 models tracked.
Scores 40/100 (rank #8), placing it in the top 98% of all 290 models tracked.
GPT-5 Image Mini has a 49-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.
Choose GPT-5 Image Mini when you need:
- High-volume production workloads where API costs must be minimized
- Processing long documents or large codebases (400K token context)
- Step-by-step reasoning and chain-of-thought problem solving
Choose Nano Banana Pro (Gemini 3 Pro Image Preview) when you need:
- Step-by-step reasoning and chain-of-thought problem solving
GPT-5 Image Mini offers 68% better value per quality point. At 1M tokens/day, you'd spend $67.50/month with GPT-5 Image Mini vs $210.00/month with Nano Banana Pro (Gemini 3 Pro Image Preview) - a $142.50 monthly difference.
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.
Code generation & review
Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Suitable for user-facing chat with competitive response times. GPT-5 Image Mini also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (400K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($2.00/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (89/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
GPT-5 Image Mini clearly outperforms Nano Banana Pro (Gemini 3 Pro Image Preview) with a significant 48.5-point lead. For most general use cases, GPT-5 Image Mini is the stronger choice. However, Nano Banana Pro (Gemini 3 Pro Image Preview) may still excel in niche scenarios.
By Use Case
Best for Quality
GPT-5 Image Mini
Marginally better benchmark scores; both are excellent
Best for Cost
GPT-5 Image Mini
68% lower pricing; better value at scale
Best for Reliability
GPT-5 Image Mini
Higher uptime and faster response speeds
Best for Prototyping
GPT-5 Image Mini
Stronger community support and better developer experience
Best for Production
GPT-5 Image Mini
Wider enterprise adoption and proven at scale
by OpenAI
- Choose for Quality - Marginally better benchmark scores; both are excellent
- Choose for Cost - 68% 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
| Capability | GPT-5 Image Mini | Nano Banana Pro (Gemini 3 Pro Image Preview) |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Search | ||
| Image Output |
GPT-5 Image Mini
OpenAI
Nano Banana Pro (Gemini 3 Pro Image Preview)
GPT-5 Image Mini saves you $11.10/month
That's 62% 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.
| Parameter | GPT-5 Image Mini | Nano Banana Pro (Gemini 3 Pro Image Preview) |
|---|---|---|
| Context Window | 400K | 66K |
| Max Output Tokens | 128,000 | 32,768 |
| Open Source | No | No |
| Created | Oct 16, 2025 | Nov 20, 2025 |
GPT-5 Image Mini leverages OpenAI's latest architecture optimizations that deliver superior image generation quality at $2/M output tokens versus Nano Banana Pro's $12/M. The 43-point score gap reflects GPT-5 Image Mini's advantages in function calling and web search capabilities, which enable more sophisticated image generation workflows that Google's preview model can't match.
The 6.1x larger context window (400K vs 66K tokens) allows GPT-5 Image Mini to handle multi-page design briefs, extensive style references, and detailed scene descriptions in a single request. At 10M requests monthly, you'd save approximately $100,000/month using GPT-5 Image Mini ($20K vs $120K output costs), while also avoiding the token limit errors that would force you to chunk prompts with Nano Banana Pro.
Nano Banana Pro remains viable for organizations already invested in Google's Vertex AI ecosystem who need basic image generation without function calling or web search. Its 33K max output tokens still exceed many use cases, and teams using Gemini models elsewhere may accept the 6x output cost premium ($12/M vs $2/M) to maintain single-vendor simplicity.
Without function calling, Nano Banana Pro can't dynamically invoke external tools for asset validation, style checking, or automated post-processing - forcing developers to build separate orchestration layers. GPT-5 Image Mini's function calling enables direct integration with image optimization APIs and quality assessment tools, which partially explains its perfect 100/100 score versus Nano Banana Pro's 57/100.
GPT-5 Image Mini's 'text+image+file->text+image' modality means it can process PDFs, documents, and structured data files alongside images, enabling workflows like generating images from design specifications or brand guidelines. Nano Banana Pro's limited 'text+image->text+image' modality restricts it to basic image-to-image transformations, contributing to its #4 ranking versus GPT-5 Image Mini's #1 position among 14 models.