ChatGPT pricing in 2026
ChatGPT and the GPT model family
API pricing per million tokens
| Model | Tier | Context | Input / 1M | Output / 1M | Tokens / $1 | Intelligence / $1 |
|---|---|---|---|---|---|---|
| GPT-5.6 Sol | frontier | 1.1M | $4 | $20 | 62.5k | 29,375 |
| GPT-5.6 Terra | balanced | 1.1M | $2 | $12 | 105.3k | 44,211 |
| GPT-5.6 Luna | fast | 1.1M | $0.20 | $1.20 | 1.1M | 400,000 |
| GPT-6 Astra | frontier | 1.1M | $10 | $50 | 25.0k | 13,250 |
Prices verified 2026-09-19 — refreshed weekly from the OpenRouter catalog. Superseded (not listed above): GPT-5.5, GPT-5.2.
Subscription plans
- ChatGPT Free — $0/month (Message limits apply)
- ChatGPT Plus — $20/month (Message limits apply)
- ChatGPT Pro — $200/month (Higher limits, access to top models)
Image generation
- DALL·E 3 — $0.04/image (HD)
Models in the ChatGPT family
Jump to the detailed pricing page for each current ChatGPT model:
Superseded by ChatGPT — kept for reference only, not part of the current line-up:
- GPT-5.5 (superseded)
- GPT-5.2 (superseded)
ChatGPT pricing — frequently asked questions
How much does ChatGPT cost per million tokens?
GPT-6 Astra costs $10 per 1M input tokens and $50 per 1M output tokens. On a typical 1:3 input-to-output workload that works out to roughly 25.0k tokens per dollar.
Does ChatGPT have a free tier?
Yes. ChatGPT Free is free — Message limits apply.
How much does ChatGPT cost per month?
ChatGPT plans range from $20 to $200 per month (top plan: ChatGPT Pro).
Is ChatGPT the best value AI in 2026?
Value depends on your workload. You can compare ChatGPT's tokens-per-dollar and intelligence-per-dollar scores against every other provider in the AI Intelligence Calculator.