Model Comparison

Gemini 1.5 ProGemini 2.5 Flash
Let's see who can write code better - Gemini 1.5 Pro or Gemini 2.5 Flash

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 2.5 Flash

Google

Description

Ultra-fast Gemini model with massive context

Specifications

Context Window1.0M
Max Output8K
ReleasedJan 2025
API

Pricing (per 1M)

In / Out
$0.3/ $2.5

Key Features

Massive context windowVery fast inferenceMulti-modal

Strengths

  • 1M token context
  • Extremely fast
  • Cost-effective

Weaknesses

  • Less capable than Pro version
  • May struggle with complex tasks

Agent Support