OpenAI Pricing → GPT-4 Turbo Verified Apr 2026

GPT-4 Turbo Pricing — $10.00/M input, $30.00/M output

OpenAI / April 2026
Input $10.00/M tokens
Output $30.00/M tokens
Context Window 128K tokens

Previous-generation flagship, still widely deployed

Typical use cases

General-purpose inference, chat, extraction, structured output

Estimated monthly cost at scale

Assumes 50/50 input/output token split at stated daily volume.

Daily Volume Monthly Tokens Estimated Monthly Cost
1M tokens/day 30M tokens $600.00
5M tokens/day 150M tokens $3,000.00
10M tokens/day 300M tokens $6,000.00

vs. other OpenAI models

Model Input ($/M) Output ($/M) Context
GPT-4o $2.50 $10.00 128K
GPT-4o mini $0.15 $0.60 128K
GPT-4.1 $2.00 $8.00 128K
GPT-4.1 Mini $0.40 $1.60 128K
GPT-4.1 Nano $0.10 $0.40 128K
o3 $10.00 $40.00 200K
o4-mini $1.10 $4.40 200K
o1 $15.00 $60.00 200K
o1-mini $1.10 $4.40 128K
GPT-3.5 Turbo $0.50 $1.50 16K

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