Model Comparison

Gemini 1.5 ProGemini 3 Pro (Preview)
Let's see who can write code better - Gemini 1.5 Pro or Gemini 3 Pro (Preview)

Model Information

Gemini 1.5 Pro

Google

Description

Multimodal model with massive context window up to 2M tokens (deprecated - no longer available in API)

Specifications

Context Window2.0M
Max Output8K
ReleasedMay 2024
API✓

Pricing (per 1M)

In / Out
$1.25/ $5

Key Features

Massive context windowMultimodal understandingCode executionAudio processingVideo understanding

Strengths

  • ✓Largest context window available
  • ✓Strong multimodal capabilities
  • ✓Good at following instructions
  • ✓Excellent for document analysis

Weaknesses

  • ✗Can be slow with large contexts
  • ✗API availability limitations
  • ✗Inconsistent performance

Agent Support

No known agents

Gemini 3 Pro (Preview)

Google

Description

Next-generation Gemini model with advanced capabilities (preview release)

Specifications

Context Window1.0M
Max Output64K
ReleasedNov 2025
API✓

Pricing (per 1M)

In / Out
$2/ $12

Key Features

Massive 1M token contextLarge 64K output windowNext-gen architectureMulti-modal capabilities

Strengths

  • ✓State-of-the-art Gemini model
  • ✓Very large output window
  • ✓Advanced reasoning capabilities
  • ✓Strong multi-modal support

Weaknesses

  • ✗Preview release - may have issues
  • ✗Higher cost than 2.5 models
  • ✗Potentially slower inference

Agent Support

No known agents