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Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Phi 4 (Comparative Analysis)

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Comparative Analysis: Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs. Phi 4
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Overview

Phi 4 was released 1 year before Nano Banana 2 (Gemini 3.1 Flash Image Preview).
Nano Banana 2 (Gemini 3.1 Flash Image Preview)Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Phi 4Phi 4
Model Provider
The organization behind this AI's development
Google logoGoogle
Microsoft logoMicrosoft
Input Context Window
Maximum input tokens this model can process at once
65.5K
tokens
16.4K
tokens
Output Token Limit
Maximum output tokens this model can generate at once
65.5K
tokens
16.4K
tokens
Release Date
When this model first became publicly available
February 26th, 2026
January 10th, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Phi 4
Input Types
Supported input formats
🖼️Image📝Text
📝Text
Output Types
Supported output formats
🖼️Image📝Text
📝Text
Tokenizer
Text encoding system
GeminiOther
Key Features
Advanced capabilities
Function CallingStructured OutputReasoning ModeContent Moderation
Function CallingStructured OutputReasoning ModeContent Moderation
Open Source
Model availability
ProprietaryAvailable on HuggingFace →

Pricing

Nano Banana 2 (Gemini 3.1 Flash Image Preview) is roughly 7.1x more expensive compared to Phi 4 for input tokens and roughly 21.4x more expensive for output tokens.
Nano Banana 2 (Gemini 3.1 Flash Image Preview)Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Phi 4Phi 4
Input Token Cost
Cost per million input tokens
$0.50
per million tokens
$0.07
per million tokens
Output Token Cost
Cost per million outut tokens
$3.00
per million tokens
$0.14
per million tokens

Benchmarks

Compare relevant benchmarks between Nano Banana 2 (Gemini 3.1 Flash Image Preview) and Phi 4.
Nano Banana 2 (Gemini 3.1 Flash Image Preview)Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Phi 4Phi 4
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.

At a Glance

Quick overview of what makes Nano Banana 2 (Gemini 3.1 Flash Image Preview) and Phi 4 unique.
Google logoNano Banana 2 (Gemini 3.1 Flash 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 $0.50/M input and $3.00/M output tokens. Released February 26th, 2026.
Microsoft logoPhi 4 by Microsoft generates structured data. It can handle standard conversations with its 16.4K token context window. Very affordable at $0.07/M input and $0.14/M output tokens. Released January 10th, 2025.

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