Model Comparison

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

Model Information

Gemini 1.5 Flash

Google

Description

Fast and efficient multimodal model optimized for speed

Specifications

Context Window1.0M
Max Output8K
ReleasedMay 2024
API

Pricing (per 1M)

In / Out
$0.075/ $0.3

Key Features

Fast inferenceLarge context windowMultimodalCost-effective

Strengths

  • Very fast responses
  • Good balance of capability and speed
  • Affordable pricing
  • Strong for its size

Weaknesses

  • Less capable than Pro version
  • May struggle with complex reasoning
  • Limited availability in some regions

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