| Signal | GPT-5 Image Mini | Delta | Nano Banana 2 (Gemini 3.1 Flash Image) |
|---|---|---|---|
Capabilities | 86 | -- | |
Benchmarks | 88 | +88 | |
Pricing | 98 | +1 | |
Context window size | 100 | +9 | |
Recency | 88 | -12 | |
Output Capacity | 100 | +6 | |
| Overall Result | 4 wins | of 6 | 1 wins |
Score History
88.5
current score
GPT-5 Image Mini
right now
40
current score
OpenAI
Nano Banana 2 (Gemini 3.1 Flash Image) saves you $150.00/month
That's $1800.00/year compared to GPT-5 Image Mini at your current usage level of 100K calls/month.
| Metric | GPT-5 Image Mini | Nano Banana 2 (Gemini 3.1 Flash Image) | Winner |
|---|---|---|---|
| Overall Score | 89 | 40 | GPT-5 Image Mini |
| Rank | #2 | #5 | GPT-5 Image Mini |
| Quality Rank | #2 | #5 | GPT-5 Image Mini |
| Adoption Rank | #2 | #5 | GPT-5 Image Mini |
| Parameters | -- | -- | -- |
| Context Window | 400K | 131K | GPT-5 Image Mini |
| Pricing | $2.50/$2.00/M | $0.50/$3.00/M | -- |
| Signal Scores | |||
| Capabilities | 86 | 86 | GPT-5 Image Mini |
| Benchmarks | 88 | -- | GPT-5 Image Mini |
| Pricing | 98 | 97 | GPT-5 Image Mini |
| Context window size | 100 | 91 | GPT-5 Image Mini |
| Recency | 88 | 100 | Nano Banana 2 (Gemini 3.1 Flash Image) |
| Output Capacity | 100 | 94 | 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 #5), placing it in the top 99% 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.
GPT-5 Image Mini offers 22% 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 $67.50/month with GPT-5 Image Mini - a $15.00 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 2 (Gemini 3.1 Flash Image) with a significant 48.5-point lead. For most general use cases, GPT-5 Image Mini is the stronger choice. However, Nano Banana 2 (Gemini 3.1 Flash Image) may still excel in niche scenarios.
Best for Quality
GPT-5 Image Mini
Marginally better benchmark scores; both are excellent
Best for Cost
Nano Banana 2 (Gemini 3.1 Flash Image)
22% 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
by Google
| Capability | GPT-5 Image Mini | Nano Banana 2 (Gemini 3.1 Flash Image) |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Search | ||
| Image Output |
OpenAI
Nano Banana 2 (Gemini 3.1 Flash Image) saves you $2.40/month
That's 35% cheaper than GPT-5 Image Mini 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 2 (Gemini 3.1 Flash Image) |
|---|---|---|
| Context Window | 400K | 131K |
| Max Output Tokens | 128,000 | 65,536 |
| Open Source | No | No |
| Created | Oct 16, 2025 | Jun 18, 2026 |