Claude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/MClaude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/M
BETA
OpenAI
OpenAI
FrontierRETIRED

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 128K-token context window.

INPUT
$10.000/M
per million input tokens
OUTPUT
$30.000/M
per million output tokens
CONTEXT
128K
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 128K tokens of context (128,000 tokens).

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.