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 Pro is Google's most advanced model to date, delivering exceptional coding performance and handling complex prompts with ease. It comes equipped with enhanced capabilities such as native tool integration, image generation, and speech synthesis. Designed for advanced reasoning, the model supports multimodal inputs, including text, images, video, and audio. Available via Google AI Studio and Vertex AI, it offers substantial performance improvements over previous versions while maintaining high efficiency.
| o3 | Gemini 2.0 Pro | |
|---|---|---|
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
| - | 79.1% Source |
MMMU
| - | 72.7% Source |
HellaSwag
| - | Not available |
HumanEval
| - | Not available |
MATH
| - | 91.8% Source |
GPQA
| 83.3% Diamond, no tools Source | 64.7% 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 |
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