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ERNIE 4.5 21B A3B vs Gemini 2.5 Flash Image (Nano Banana) (Comparative Analysis)

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Comparative Analysis: ERNIE 4.5 21B A3B vs. Gemini 2.5 Flash Image (Nano Banana)
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Overview

ERNIE 4.5 21B A3B was released 1 month before Gemini 2.5 Flash Image (Nano Banana).
ERNIE 4.5 21B A3BERNIE 4.5 21B A3B
Gemini 2.5 Flash Image (Nano Banana)Gemini 2.5 Flash Image (Nano Banana)
Model Provider
The organization behind this AI's development
Baidu logoBaidu
Google logoGoogle
Input Context Window
Maximum input tokens this model can process at once
120K
tokens
32.8K
tokens
Output Token Limit
Maximum output tokens this model can generate at once
8K
tokens
32.8K
tokens
Release Date
When this model first became publicly available
August 12th, 2025
October 7th, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
ERNIE 4.5 21B A3B
Gemini 2.5 Flash Image (Nano Banana)
Input Types
Supported input formats
📝Text
🖼️Image📝Text
Output Types
Supported output formats
📝Text
🖼️Image📝Text
Tokenizer
Text encoding system
OtherGemini
Key Features
Advanced capabilities
Function CallingStructured OutputReasoning ModeContent Moderation
Function CallingStructured OutputReasoning ModeContent Moderation
Open Source
Model availability
Available on HuggingFace →Proprietary

Pricing

ERNIE 4.5 21B A3B is roughly 0.2x less expensive compared to Gemini 2.5 Flash Image (Nano Banana) for input tokens and roughly 0.09x less expensive for output tokens.
ERNIE 4.5 21B A3BERNIE 4.5 21B A3B
Gemini 2.5 Flash Image (Nano Banana)Gemini 2.5 Flash Image (Nano Banana)
Input Token Cost
Cost per million input tokens
$0.06
per million tokens
$0.30
per million tokens
Output Token Cost
Cost per million outut tokens
$0.22
per million tokens
$2.50
per million tokens

Benchmarks

Compare relevant benchmarks between ERNIE 4.5 21B A3B and Gemini 2.5 Flash Image (Nano Banana).
ERNIE 4.5 21B A3BERNIE 4.5 21B A3B
Gemini 2.5 Flash Image (Nano Banana)Gemini 2.5 Flash Image (Nano Banana)
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 ERNIE 4.5 21B A3B and Gemini 2.5 Flash Image (Nano Banana) unique.
Baidu logoERNIE 4.5 21B A3B by Baidu can use external tools and APIs. It can handle standard conversations with its 120K token context window. Very affordable at $0.06/M input and $0.22/M output tokens. Released August 12th, 2025.
Google logoGemini 2.5 Flash Image (Nano Banana) by Google understands both text and images, generates structured data. It can handle standard conversations with its 32.8K token context window. Reasonably priced at $0.30/M input and $2.50/M output tokens. Released October 7th, 2025.

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