Articles tagged with “usage-tiers”

ChatGPT API Pricing 2026: Token Costs & Rate Limits

Analyze 2026 ChatGPT API pricing, including per-token costs for GPT-5 and GPT-4o. Learn how rate limits and OpenAI usage tiers impact developer budgets.

25 min read

2/2/2026

chatgpt api pricing openai token costs gpt-5 cost api rate limits usage tiers gpt-4o pricing llm tokens developer billing api throughput