Gemini 3.1 Flash Lite vs o1-pro (Comparative Analysis)
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Comparative Analysis: Gemini 3.1 Flash Lite vs. o1-pro
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Overview
o1-pro was released 1 year before Gemini 3.1 Flash Lite.
 Gemini 3.1 Flash Lite |  o1-pro | |
|---|---|---|
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 | May 7, 2026 2 months ago May 7th, 2026 | March 19, 2025 1 year ago March 19th, 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 3.1 Flash Lite | o1-pro | |
|---|---|---|
Input Types Supported input formats | 📝Text🖼️Image🎬Video📁File🎵Audio | 📝Text🖼️Image📁File |
Reasoning Controls Defaults and configurable reasoning effort | Enabled by defaultEffort: High, Medium, Low, MinimalDefault: Minimal | 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 3.1 Flash Lite is significantly less expensive compared to o1-pro for input tokens and significantly less expensive for output tokens.
| Gemini 3.1 Flash Lite | o1-pro | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.25 per million tokens | $150.00 per million tokens |
Output Token Cost Cost per million output tokens | $1.50 per million tokens | $600.00 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 | $0.02 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 | $1.50 per million tokens | Not specified |
Image Input Cost Additional cost for each image input | $0.00000025 per image | Not specified |
Audio Input Cost Additional cost for audio input | $0.0000005 per unit | Not specified |
Audio Cache Cost Cost to reuse cached audio input tokens | $0.05 per million tokens | Not specified |
At a Glance
Quick overview of what makes Gemini 3.1 Flash Lite and o1-pro unique.
Gemini 3.1 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 $0.25/M input and $1.50/M output tokens. Released May 7th, 2026.o1-pro by OpenAI understands both text and images, offers advanced reasoning, generates structured data. It can handle standard conversations with its 200K token context window. Premium pricing at $150.00/M input and $600.00/M output tokens. Includes built-in content moderation for safer outputs. Released March 19th, 2025.Explore More Comparisons
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