 Nano Banana Pro (Gemini 3 Pro Image Preview) |  GPT-5.1 Chat | |
|---|---|---|
Model Provider The organization behind this AI's development | Google | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 65.5K tokens | 128K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 32.8K tokens | 16.4K tokens |
Release Date When this model first became publicly available | November 20, 2025 3 months ago November 20th, 2025 | November 13, 2025 3 months ago November 13th, 2025 |
Nano Banana Pro (Gemini 3 Pro Image Preview) | GPT-5.1 Chat | |
|---|---|---|
Input Types Supported input formats | 🖼️Image📝Text | 📁File🖼️Image📝Text |
Output Types Supported output formats | 🖼️Image📝Text | 📝Text |
Tokenizer Text encoding system | Gemini | GPT |
Key Features Advanced capabilities | Function Calling✓Structured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured OutputReasoning Mode✓Content Moderation |
| Nano Banana Pro (Gemini 3 Pro Image Preview) | GPT-5.1 Chat | |
|---|---|---|
Input Token Cost Cost per million input tokens | $2.00 per million tokens | $1.25 per million tokens |
Output Token Cost Cost per million outut tokens | $12.00 per million tokens | $10.00 per million tokens |
| Nano Banana Pro (Gemini 3 Pro Image Preview) | GPT-5.1 Chat | |
|---|---|---|
MMLU Measures knowledge across 57 subjects like law, math, history, and science | Benchmark not available. | Benchmark not available. |
MMMU Measures understanding of combined text and images across various domains | Benchmark not available. | Benchmark not available. |
HellaSwag Measures common sense reasoning by having models complete sentences about everyday situations | Benchmark not available. | Benchmark not available. |
Nano Banana Pro (Gemini 3 Pro Image Preview) by Google understands both text and images, offers advanced reasoning, generates structured data. It can handle standard conversations with its 65.5K token context window. Reasonably priced at $2.00/M input and $12.00/M output tokens. Released November 20th, 2025.GPT-5.1 Chat by OpenAI understands both text and images, can use external tools and APIs, generates structured data. It can handle standard conversations with its 128K token context window. Reasonably priced at $1.25/M input and $10.00/M output tokens. Includes built-in content moderation for safer outputs. Released November 13th, 2025.Compare your models with top performers across different categories
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