Model Comparison

GPT-5Grok Code Fast 1
Let's see who can write code better - GPT-5 or Grok Code Fast 1

Model Information

GPT-5

OpenAI

Description

Next-generation flagship model from OpenAI

Specifications

Context Window272K
Max Output33K
ReleasedJun 2025
API

Pricing (per 1M)

In / Out
$1.25/ $10

Key Features

AGI-level capabilitiesAdvanced reasoningMulti-modal native

Strengths

  • State-of-the-art performance
  • Unprecedented capabilities
  • Large context window

Weaknesses

  • Not yet released
  • Likely very expensive
  • Unknown specifications

Agent Support

Grok Code Fast 1

xAI

Description

Fast code generation model from xAI

Specifications

Context Window128K
Max Output8K
ReleasedDec 2024
API

Pricing (per 1M)

In / Out
$0.2/ $1.5

Key Features

Fast code generationProgramming expertiseQuick responses

Strengths

  • Fast inference
  • Code-optimized
  • Cost-effective for coding

Weaknesses

  • Limited general knowledge
  • Focused on code only

Agent Support

No known agents