› ChatGPT Plus costs $20 a month.
› The same amount buys about 1,175 typical short tasks through the OpenAI API using its most powerful GPT-6 Astra model, based on my logs from October 24, 2026.
› I worked out when Plus costs less than API access, when you might pay more than you need to, and what OpenAI does not say about usage limits.At a glance (as of October 24, 2026)Plus: $20, with GPT-6 in chat at Medium and High reasoning levels.
› GPT-6 Astra in Plus is available only in ChatGPT Work and Codex.GPT-6 Astra API: $10 / $50 per million tokens.