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GPT-4 Turbo
OpenAI
Previous generation GPT-4 Turbo — powerful but superseded by GPT-4o in cost-efficiency
Input price$10.00 / 1M tokens
Output price$30.00 / 1M tokens
Context window128k tokens
Last updated2026-04-22
Quick calculator
Per request
$0.0250
Daily
$250.00
Monthly
$7,500.00
per month · 30-day estimate
Yearly
$91,250.00
Tips to reduce cost
- →Use prompt caching to reuse repeated system prompts
- →Trim whitespace and reduce verbose instructions
- →Use a smaller model for classification or routing tasks
- →Batch async requests to get 50% discount (OpenAI/Anthropic)
- →Cache identical requests at the application layer
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About GPT-4 Turbo
GPT-4 Turbo is a premium large language model from openai, priced at $10/1M input tokens and $30/1M output tokens. It is priced above the market average and best suited for legacy gpt-4 workloads. The 128k context window handles long documents, extended conversations, and large code files comfortably.
For most production workloads, the cost breakdown is dominated by input tokens (system prompts, context, retrieved documents) rather than output. At this price point, GPT-4 Turbo is positioned for use cases where quality justifies the premium over cheaper alternatives.
Frequently Asked Questions
How much does GPT-4 Turbo cost per 1,000 tokens?
GPT-4 Turbo costs $0.0100 per 1,000 input tokens and $0.0300 per 1,000 output tokens.
What is GPT-4 Turbo's context window?
GPT-4 Turbo supports a context window of 128k tokens, which is suitable for long documents and multi-turn conversations.
How does GPT-4 Turbo compare to GPT-4o on price?
GPT-4 Turbo is priced above the market average on input tokens. At $10/1M input vs $2.50/1M for GPT-4o, the cost difference becomes significant at scale — 10,000 requests/day with 1,000 input tokens each costs $3000/month with GPT-4 Turbo vs $750/month with GPT-4o.