Gemini 3 Flash Preview vs GPT-4o Search Preview (Comparative Analysis)
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Comparative Analysis: Gemini 3 Flash Preview vs. GPT-4o Search Preview
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Overview
GPT-4o Search Preview was released 9 months before Gemini 3 Flash Preview.
 Gemini 3 Flash Preview |  GPT-4o 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 | December 17, 2025 7 months ago December 17th, 2025 | March 12, 2025 1 year ago March 12th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | Not reported | October 31, 2023 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
Gemini 3 Flash Preview | GPT-4o Search Preview | |
|---|---|---|
Input Types Supported input formats | 📝Text🖼️Image📁File🎵Audio🎬Video | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | OptionalEffort: High, Medium, Low, MinimalDefault: Medium | 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 3 Flash Preview is roughly 0.2x less expensive compared to GPT-4o Search Preview for input tokens and roughly 0.3x less expensive for output tokens.
| Gemini 3 Flash Preview | GPT-4o Search Preview | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.50 per million tokens | $2.50 per million tokens |
Output Token Cost Cost per million output tokens | $3.00 per million tokens | $10.00 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.014 per search | $0.035 per search |
Cache Read Cost Cost to reuse cached input tokens | $0.05 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 | $3.00 per million tokens | Not specified |
Image Input Cost Additional cost for each image input | $0.0000005 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 3 Flash Preview and GPT-4o Search Preview.
| Gemini 3 Flash Preview | GPT-4o Search Preview | |
|---|---|---|
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,254 Elo (#33 in 3D (62.7% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes Gemini 3 Flash Preview and GPT-4o Search Preview unique.
Gemini 3 Flash Preview 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 $0.50/M input and $3.00/M output tokens. Released December 17th, 2025.GPT-4o Search Preview by OpenAI generates structured data. It can handle standard conversations with its 128K token context window. Reasonably priced at $2.50/M input and $10.00/M output tokens. Includes built-in content moderation for safer outputs. Released March 12th, 2025.Explore More Comparisons
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