Model Comparison

GPT-5 NanoGrok 3 Mini
Let's see who can write code better - GPT-5 Nano or Grok 3 Mini

Model Information

GPT-5 Nano

OpenAI

Description

Ultra-lightweight version of GPT-5

Specifications

Context Window272K
Max Output4K
ReleasedJun 2025
API

Pricing (per 1M)

In / Out
$0.05/ $0.4

Key Features

Minimal resource usageEdge deployment readyBasic GPT-5 capabilities

Strengths

  • Very low cost
  • Fast responses
  • Good for simple tasks

Weaknesses

  • Not yet released
  • Limited capabilities

Agent Support

Grok 3 Mini

xAI

Description

Efficient and cost-effective version of Grok 3

Specifications

Context Window128K
Max Output8K
ReleasedNov 2024
API

Pricing (per 1M)

In / Out
$0.3/ $0.5

Key Features

Cost-effectiveFast inferenceGood performance

Strengths

  • Very affordable
  • Fast responses
  • Good value for money

Weaknesses

  • Reduced capabilities vs full Grok 3
  • Smaller context window

Agent Support