Gemini 2.5 Flash Lite vs GPT-4 (Comparative Analysis)
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Comparative Analysis: Gemini 2.5 Flash Lite vs. GPT-4
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Overview
GPT-4 was released 2 years before Gemini 2.5 Flash Lite.
 Gemini 2.5 Flash Lite |  GPT-4 | |
|---|---|---|
Model Provider The organization behind this AI's development | Google | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 1M tokens | 8.2K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 65.5K tokens | 4.1K tokens |
Release Date When this model first became publicly available | July 22, 2025 1 year ago July 22nd, 2025 | May 28, 2023 3 years ago May 28th, 2023 |
Knowledge Cutoff Latest training-data date reported by the provider | January 31, 2025 | September 30, 2021 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
Gemini 2.5 Flash Lite | GPT-4 | |
|---|---|---|
Input Types Supported input formats | 📝Text🖼️Image📁File🎵Audio🎬Video | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | Optional | Not reported |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Gemini | GPT |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | ✓Function Calling✓Structured OutputReasoning ModeContent Moderation |
Pricing
Gemini 2.5 Flash Lite is significantly less expensive compared to GPT-4 for input tokens and significantly less expensive for output tokens.
| Gemini 2.5 Flash Lite | GPT-4 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.10 per million tokens | $30.00 per million tokens |
Output Token Cost Cost per million output tokens | $0.40 per million tokens | $60.00 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.014 per search | Not specified |
Cache Read Cost Cost to reuse cached input tokens | $0.01 per million tokens | Not specified |
Cache Write Cost Cost to write input tokens to the cache | $0.08 per million tokens | Not specified |
Reasoning Token Cost Cost for internal reasoning tokens | $0.40 per million tokens | Not specified |
Image Input Cost Additional cost for each image input | $0.0000001 per image | Not specified |
Audio Input Cost Additional cost for audio input | $0.0000003 per unit | Not specified |
Audio Cache Cost Cost to reuse cached audio input tokens | $0.03 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between Gemini 2.5 Flash Lite and GPT-4.
| Gemini 2.5 Flash Lite | GPT-4 | |
|---|---|---|
Coding Index Programming performance across independent evaluations | Benchmark not available. | 13.1 (Artificial Analysis index; higher is better) |
At a Glance
Quick overview of what makes Gemini 2.5 Flash Lite and GPT-4 unique.
Gemini 2.5 Flash Lite by Google understands both text and images, handles audio, analyzes video, 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.GPT-4 by OpenAI can use external tools and APIs, generates structured data. It can handle standard conversations with its 8.2K token context window. Premium pricing at $30.00/M input and $60.00/M output tokens. Released May 28th, 2023.Explore More Comparisons
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