GPT-4 Turbo pricing and token costs
GPT-4 Turbo is a OpenAI model with a 128,000-token context window. Rates below are per million tokens, and are the ones in effect today.
Retiring. OpenAI removes this model on 2026-10-23. The named replacement is GPT-5.6 Sol.
Pricing
- Input, per 1M tokens
- $10.00
- Output, per 1M tokens
- $30.00
- Context window
- 128,000 tokens
- Tokenizer
- cl100k_base
Input and output combined.
Counted exactly, in your browser.
Alternatives
Articles that quote these figures
Common questions
- How much does GPT-4 Turbo cost per million tokens?
- $10.00 per million input tokens and $30.00 per million output tokens.
- What is the context window of GPT-4 Turbo?
- 128,000 tokens, covering input and output combined.
- Which tokenizer does GPT-4 Turbo use?
- GPT-4 Turbo uses the cl100k_base encoding. Counts are computed in your browser with the same tokenizer OpenAI publishes, so they are exact.
- Is GPT-4 Turbo being retired?
- OpenAI removes this model on 2026-10-23. The named replacement is GPT-5.6 Sol.
Figures come from OpenAI’s published list prices and are checked against every article on this site that quotes them at build time. They are still estimates of what a request costs — verify against your own billing before committing to them.