Comprehensive side-by-side LLM comparison
Gemini 3 Pro leads with 29.6% higher average benchmark score. Gemini 2.5 Pro is $11.25 cheaper per million tokens. Overall, Gemini 3 Pro is the stronger choice for coding tasks.
Google DeepMind
Gemini 2.5 Pro, released by Google in May 2025, is a large language model from the Gemini 2.5 family designed for complex reasoning, coding, and long-context analysis tasks. It features a 1M token context window, native support for text, image, video, and audio input, and integrated thinking capabilities for multi-step problem solving. Gemini 2.5 Pro targets advanced coding workflows, scientific reasoning, and applications requiring deep understanding across large, mixed-modality contexts.
Google DeepMind
Gemini 3 Pro, released by Google in November 2025, is a large language model from the Gemini 3 family designed for complex reasoning, broad world knowledge, and multi-step problem solving. It features a 1M token context window, 64K maximum output tokens, and native multimodal input including text, images, audio, and video. Gemini 3 Pro targets research-grade reasoning, advanced data analysis, and applications requiring comprehensive understanding across diverse input formats.
6 months newer

Gemini 2.5 Pro
Google DeepMind
2025-05-20

Gemini 3 Pro
Google DeepMind
2025-11-18
Cost per million tokens (USD)
Gemini 2.5 Pro
Gemini 3 Pro
Context window and performance specifications
Average performance across 5 common benchmarks
Gemini 2.5 Pro
Gemini 3 Pro
Performance comparison across key benchmark categories
Gemini 2.5 Pro
Available providers and their performance metrics
Gemini 2.5 Pro
Google Cloud Vertex AI
Gemini 3 Pro
Gemini 2.5 Pro
Gemini 3 Pro
Gemini 2.5 Pro
Gemini 3 Pro
Gemini 3 Pro
Google Cloud Vertex AI