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Gemini 2.5 Flash Lite vs Phi 4 Reasoning Plus (Comparative Analysis)

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Comparative Analysis: Gemini 2.5 Flash Lite vs. Phi 4 Reasoning Plus
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Overview

Phi 4 Reasoning Plus was released 2 months before Gemini 2.5 Flash Lite.
Gemini 2.5 Flash LiteGemini 2.5 Flash Lite
Phi 4 Reasoning PlusPhi 4 Reasoning Plus
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
1M
tokens
32.8K
tokens
Output Token Limit
Maximum output tokens this model can generate at once
65.5K
tokens
Not specified
tokens
Release Date
When this model first became publicly available
July 22nd, 2025
May 1st, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
Gemini 2.5 Flash Lite
Phi 4 Reasoning Plus
Input Types
Supported input formats
📁File🖼️Image📝Text🎵Audio
📝Text
Output Types
Supported output formats
📝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

Gemini 2.5 Flash Lite is roughly 1.4x more expensive compared to Phi 4 Reasoning Plus for input tokens and roughly 1.1x more expensive for output tokens.
Gemini 2.5 Flash LiteGemini 2.5 Flash Lite
Phi 4 Reasoning PlusPhi 4 Reasoning Plus
Input Token Cost
Cost per million input tokens
$0.10
per million tokens
$0.07
per million tokens
Output Token Cost
Cost per million outut tokens
$0.40
per million tokens
$0.35
per million tokens

Benchmarks

Compare relevant benchmarks between Gemini 2.5 Flash Lite and Phi 4 Reasoning Plus.
Gemini 2.5 Flash LiteGemini 2.5 Flash Lite
Phi 4 Reasoning PlusPhi 4 Reasoning Plus
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 Gemini 2.5 Flash Lite and Phi 4 Reasoning Plus unique.
Google logoGemini 2.5 Flash Lite by Google understands both text and images, handles audio, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1M token context window. Very affordable at $0.10/M input and $0.40/M output tokens. Released July 22nd, 2025.
Microsoft logoPhi 4 Reasoning Plus by Microsoft offers advanced reasoning, generates structured data. It can handle standard conversations with its 32.8K token context window. Very affordable at $0.07/M input and $0.35/M output tokens. Released May 1st, 2025.

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