Gemini 2 Pro

Gemini 2 Pro is Google DeepMind's flagship multimodal model, succeeding Gemini 1.5 Pro. It offers a 1M token context window — the largest among frontier models.

Key Specifications

• Context window: 1,048,576 tokens (1M)
• Max output tokens: 8,192
• Architecture: Transformer (proprietary)
• Modalities: Text, image, audio, video input; text output
• Pricing: $2.50 / $10.00 per 1M input/output tokens
• Availability: Google AI Studio, Vertex AI

Capabilities

• Ultra-long context — 1M tokens enables book-length document processing
• Native multimodal — Processes images, audio, and video natively
• Code generation — Strong coding across languages
• Function calling — Tool use support
• Grounding — Google Search integration for factual accuracy

Architecture

Built on Google's transformer architecture with MoE routing. Gemini 2 Pro uses advanced multi-head-attention with optimized KV cache management for the 1M context window.

Unique Features

• Video understanding — Can process video frames as input
• Audio understanding — Native audio processing
• Google ecosystem — Deep integration with Google Cloud, Workspace

Comparison

• GPT-4o — Competitor from OpenAI
• Claude 4 — Competitor from Anthropic
• Llama 4 — Meta's open competitor
• See context-window-comparison for context sizes
• See LLM API Pricing Comparison for cost comparison