GPT-4o

GPT-4o

Provider: OpenAI Context Window: 128,000 tokens Quality: High Price: $2.50 per 1M input tokens

Overview

GPT-4o is OpenAI’s most capable model, excelling at complex reasoning, coding, analysis, and creative tasks. It offers a strong balance of quality and speed.

Best For

• Complex coding and debugging
• Multi-step reasoning tasks
• Analysis and summarization of long documents
• Creative writing and content generation

Pricing

Tier	Input	Output
BYOK	$2.50/1M	$10.00/1M
Marketplace	$2.575/1M	$10.30/1M

Routing Recommendation

• Accurate mode: GPT-4o scores high for complex prompts
• Balanced mode: Selected when quality matters more than cost
• Cheap mode: Rarely selected (more expensive alternatives exist)
• Eco mode: Never selected (too compute-heavy)

Usage

# Via fastlane-auto (router decides)
curl http://127.0.0.1:8787/v1/chat/completions \
  -H "Content-Type: application/json" \
  -d '{"model": "fastlane-auto", "messages": [{"role": "user", "content": "Explain quantum computing"}]}'

# Direct (bypass router)
curl http://127.0.0.1:8787/v1/chat/completions \
  -H "Content-Type: application/json" \
  -d '{"model": "gpt-4o", "messages": [{"role": "user", "content": "Explain quantum computing"}]}'

Requirements

• OpenAI API key in settings, or
• Marketplace balance (3% markup applies)