Gemini 2.5 Flash vs GPT-4o-mini Search Preview (Comparative Analysis)
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Comparative Analysis: Gemini 2.5 Flash vs. GPT-4o-mini Search Preview
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Overview
GPT-4o-mini Search Preview was released 3 months before Gemini 2.5 Flash.
 Gemini 2.5 Flash |  GPT-4o-mini Search Preview | |
|---|---|---|
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 | 128K 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 | June 17, 2025 1 year ago June 17th, 2025 | March 12, 2025 1 year ago March 12th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | January 31, 2025 | October 31, 2023 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
Gemini 2.5 Flash | GPT-4o-mini Search Preview | |
|---|---|---|
Input Types Supported input formats | 📁File🖼️Image📝Text🎵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 Mode✓Content Moderation |
Pricing
Gemini 2.5 Flash is roughly 2.0x more expensive compared to GPT-4o-mini Search Preview for input tokens and roughly 4.2x more expensive for output tokens.
| Gemini 2.5 Flash | GPT-4o-mini Search Preview | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.30 per million tokens | $0.15 per million tokens |
Output Token Cost Cost per million output tokens | $2.50 per million tokens | $0.60 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.014 per search | $0.0275 per search |
Cache Read Cost Cost to reuse cached input tokens | $0.03 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 | $2.50 per million tokens | Not specified |
Image Input Cost Additional cost for each image input | $0.0000003 per image | Not specified |
Audio Input Cost Additional cost for audio input | $0.000001 per unit | Not specified |
Audio Cache Cost Cost to reuse cached audio input tokens | $0.10 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between Gemini 2.5 Flash and GPT-4o-mini Search Preview.
| Gemini 2.5 Flash | GPT-4o-mini Search Preview | |
|---|---|---|
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,164 Elo (#64 in Data Viz (48.4% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes Gemini 2.5 Flash and GPT-4o-mini Search Preview unique.
Gemini 2.5 Flash 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. Reasonably priced at $0.30/M input and $2.50/M output tokens. Released June 17th, 2025.GPT-4o-mini Search Preview by OpenAI generates structured data. It can handle standard conversations with its 128K token context window. Very affordable at $0.15/M input and $0.60/M output tokens. Includes built-in content moderation for safer outputs. Released March 12th, 2025.Explore More Comparisons
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Compare GPT-4o-mini Search Preview with:
🚀Programming
Best models for coding and development
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Models optimized for creative writing
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Content creation and marketing tasks
💻Technology
Technical analysis and explanations
🔬Science
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Multilingual translation tasks