OpenAI o3 is the most advanced reasoning model from OpenAI, purpose-built for handling complex, high-cognition tasks. Launched in April 2025, it delivers exceptional performance in software engineering, mathematics, and scientific problem-solving. The model introduces three levels of reasoning effort—low, medium, and high—allowing users to balance between latency and depth of reasoning based on task complexity. o3 supports essential tools for developers, including function calling, structured outputs, and system-level messaging. With built-in vision capabilities, o3 can interpret and analyze images, making it suitable for multimodal applications. It’s available through Chat Completions API, Assistants API, and Batch API for flexible integration into enterprise and research workflows.
Gemini 2.0 Flash is Google's high-performance, low-latency model designed to drive advanced agentic experiences. Equipped with native tool integration, it supports multimodal inputs, including text, images, video, and audio. Offering substantial improvements over previous versions, the model balances efficiency, speed, and enhanced capabilities for seamless real-time interactions.
| o3 | Gemini 2.0 Flash | |
|---|---|---|
Web Site
| ||
Provider
| ||
Chat
| ||
Release Date
| ||
Modalities
| text images | text images voice video |
API Providers
| OpenAI API | Google AI Studio, Vertex AI |
Knowledge Cut-off Date
| - | 08.2024 |
Open Source
| No | No |
Pricing Input
| $10.00 per million tokens | $0.10 per million tokens |
Pricing Output
| $40.00 per million tokens | $0.40 per million tokens |
MMLU
| 82.9% Source | Not available |
MMLU-Pro
| - | 77.6% Source |
MMMU
| - | 71.7% Source |
HellaSwag
| - | Not available |
HumanEval
| - | Not available |
MATH
| - | 90.9% Source |
GPQA
| 83.3% Diamond, no tools Source | 60.1% Diamond Source |
IFEval
| - | Not available |
SimpleQA
| - | - |
AIME 2024 | 91.6% Source | - |
AIME 2025 | 88.9% Source | - |
Aider Polyglot
| - | - |
LiveCodeBench v5
| - | - |
Global MMLU (Lite)
| - | - |
MathVista
| - | - |
Mobile Application | ||
VideoGameBench | ||
Total score | - | 0% |
Doom II | - | 0% |
Dream DX | - | 0% |
Awakening DX | - | 0% |
Civilization I | - | 0% |
Pokemon Crystal | - | 0% |
The Need for Speed | - | 0% |
The Incredible Machine | - | 0% |
Secret Game 1 | - | 0% |
Secret Game 2 | - | 0% |
Secret Game 3 | - | 0% |
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