GPT-4 Turbo Preview
Previous Gen
Preview-named alias of GPT-4 Turbo. Retired, use the stable GPT-4 Turbo or migrate to GPT-4.1.
GPT-4 Turbo Preview is a frontier AI model from OpenAI. It costs $10.000 per million input tokens and $30.000 per million output tokens (blended $16.000/M), with a 128,000-token context window.
INPUT
$10.000/M
per million input tokens
OUTPUT
$30.000/M
per million output tokens
CONTEXT
128,000
tokens
Benchmarks
No published benchmark scores tracked for this model yet. Frontier and reasoning models from major providers have scores; smaller models and inference-host variants typically inherit the underlying open-weights score.
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Frequently asked questions
How much does GPT-4 Turbo Preview cost?
GPT-4 Turbo Preview costs $10.000 per million input tokens and $30.000 per million output tokens, for a blended reference rate of $16.000 per million tokens.
What is GPT-4 Turbo Preview's context window?
GPT-4 Turbo Preview supports up to 128,000 tokens of context in a single request.
What is GPT-4 Turbo Preview best for?
Preview-named alias of GPT-4 Turbo. Retired, use the stable GPT-4 Turbo or migrate to GPT-4.1.
Who makes GPT-4 Turbo Preview?
GPT-4 Turbo Preview is developed and served by OpenAI.