Gemini 3 Flash Preview vs o1 (Comparative Analysis)
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Comparative Analysis: Gemini 3 Flash Preview vs. o1
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Overview
o1 was released 1 year before Gemini 3 Flash Preview.
 Gemini 3 Flash Preview |  o1 | |
|---|---|---|
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 | 200K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 65.5K tokens | 100K tokens |
Release Date When this model first became publicly available | December 17, 2025 7 months ago December 17th, 2025 | December 17, 2024 1 year ago December 17th, 2024 |
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 | o1 | |
|---|---|---|
Input Types Supported input formats | 📝Text🖼️Image📁File🎵Audio🎬Video | 📝Text🖼️Image📁File |
Reasoning Controls Defaults and configurable reasoning effort | OptionalEffort: High, Medium, Low, MinimalDefault: Medium | Optional |
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 Output✓Reasoning Mode✓Content Moderation |
Pricing
Gemini 3 Flash Preview is roughly 0.03x less expensive compared to o1 for input tokens and roughly 0.05x less expensive for output tokens.
| Gemini 3 Flash Preview | o1 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.50 per million tokens | $15.00 per million tokens |
Output Token Cost Cost per million output tokens | $3.00 per million tokens | $60.00 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.014 per search | $0.01 per search |
Cache Read Cost Cost to reuse cached input tokens | $0.05 per million tokens | $7.50 per million tokens |
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 o1.
| Gemini 3 Flash Preview | o1 | |
|---|---|---|
Coding Index Programming performance across independent evaluations | Benchmark not available. | 39.7 (Artificial Analysis index; higher is better) |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,243 Elo (#36 in 3D (62.7% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes Gemini 3 Flash Preview and o1 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.o1 by OpenAI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 200K token context window. Premium pricing at $15.00/M input and $60.00/M output tokens. Includes built-in content moderation for safer outputs. Released December 17th, 2024.Explore More Comparisons
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