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Pricing data / OpenAI

OpenAI AI pricing

Provider pricing source

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GPT-4.1

Input:
$2.00 per million tokens
Output:
$8.00 per million tokens
Cached input:
$0.50 per million tokens
Context window:
1,047,576 tokens
Price source: GPT-4.1 pricingVerified on 2026-08-15

Not included

  • Batch, priority processing, long-context fine-tuning premiums, image input, tool-call fees, and taxes are not modeled.
View GPT-4.1

GPT-4.1 mini

Input:
$0.40 per million tokens
Output:
$1.60 per million tokens
Cached input:
$0.10 per million tokens
Context window:
1,047,576 tokens
Price source: GPT-4.1 mini pricingVerified on 2026-08-15

Not included

  • Batch, priority processing, long-context fine-tuning premiums, image input, tool-call fees, and taxes are not modeled.
View GPT-4.1 mini

GPT-4.1 nano

Input:
$0.10 per million tokens
Output:
$0.40 per million tokens
Cached input:
$0.025 per million tokens
Context window:
1,047,576 tokens
Price source: GPT-4.1 nano pricingVerified on 2026-08-15

Not included

  • Batch, priority processing, long-context fine-tuning premiums, image input, tool-call fees, and taxes are not modeled.
View GPT-4.1 nano

GPT-4o

Input:
$2.50 per million tokens
Output:
$10.00 per million tokens
Cached input:
$1.25 per million tokens
Context window:
128,000 tokens
Price source: GPT-4o pricingVerified on 2026-08-15

Not included

  • Batch, priority processing, image input, audio, fine-tuning, tool-call fees, and taxes are not modeled.
View GPT-4o

GPT-4o mini

Input:
$0.15 per million tokens
Output:
$0.60 per million tokens
Cached input:
$0.075 per million tokens
Context window:
128,000 tokens
Price source: GPT-4o mini pricingVerified on 2026-08-15

Not included

  • Batch, priority processing, image input, audio, fine-tuning, tool-call fees, and taxes are not modeled.
View GPT-4o mini

GPT-5

Input:
$1.25 per million tokens
Output:
$10.00 per million tokens
Cached input:
$0.125 per million tokens
Context window:
400,000 tokens
Price source: GPT-5 pricingVerified on 2026-08-15

Not included

  • Batch, flex, priority processing, image input, tool-call fees, fine-tuning, and taxes are not modeled.
View GPT-5

GPT-5 mini

Input:
$0.25 per million tokens
Output:
$2.00 per million tokens
Cached input:
$0.025 per million tokens
Context window:
400,000 tokens
Price source: GPT-5 mini pricingVerified on 2026-08-15

Not included

  • Batch, flex, priority processing, image input, tool-call fees, fine-tuning, and taxes are not modeled.
View GPT-5 mini

GPT-5 nano

Input:
$0.05 per million tokens
Output:
$0.40 per million tokens
Cached input:
$0.005 per million tokens
Context window:
400,000 tokens
Price source: GPT-5 nano pricingVerified on 2026-08-15

Not included

  • Batch, flex, priority processing, image input, tool-call fees, fine-tuning, and taxes are not modeled.
View GPT-5 nano

GPT-5.1

Input:
$1.25 per million tokens
Output:
$10.00 per million tokens
Cached input:
$0.125 per million tokens
Context window:
400,000 tokens
Price source: GPT-5.1 pricingVerified on 2026-08-15

Not included

  • Batch, flex, priority processing, image input, tool-call fees, fine-tuning, and taxes are not modeled.
View GPT-5.1

GPT-5.2

Input:
$1.75 per million tokens
Output:
$14.00 per million tokens
Cached input:
$0.175 per million tokens
Context window:
400,000 tokens
Price source: GPT-5.2 pricingVerified on 2026-08-15

Not included

  • Batch, flex, priority processing, image input, tool-call fees, fine-tuning, and taxes are not modeled.
View GPT-5.2

GPT-5.6 Luna

Input:
$0.20 per million tokens
Output:
$1.20 per million tokens
Cached input:
$0.02 per million tokens
Context window:
1,050,000 tokens
Price source: GPT-5.6 Luna pricingVerified on 2026-08-15

Not included

  • Prompts above 272K input tokens use higher rates and are not modeled.
  • Cache writes, taxes, contractual or volume discounts, and regional pricing are not modeled.
  • Excludes batch-processing discounts.
  • Excludes server-side tool calls, web search, and other non-token charges.
  • Text tokens only. Image, audio, and video pricing is not modeled.
View GPT-5.6 Luna

GPT-5.6 Sol

Input:
$5.00 per million tokens
Output:
$30.00 per million tokens
Cached input:
$0.50 per million tokens
Context window:
1,050,000 tokens
Price source: GPT-5.6 Sol pricingVerified on 2026-08-15

Not included

  • Prompts above 272K input tokens use higher rates and are not modeled.
  • Cache writes, taxes, contractual or volume discounts, and regional pricing are not modeled.
  • Excludes batch-processing discounts.
  • Excludes server-side tool calls, web search, and other non-token charges.
  • Text tokens only. Image, audio, and video pricing is not modeled.
View GPT-5.6 Sol

GPT-5.6 Terra

Input:
$2.00 per million tokens
Output:
$12.00 per million tokens
Cached input:
$0.20 per million tokens
Context window:
1,050,000 tokens
Price source: GPT-5.6 Terra pricingVerified on 2026-08-15

Not included

  • Prompts above 272K input tokens use higher rates and are not modeled.
  • Cache writes, taxes, contractual or volume discounts, and regional pricing are not modeled.
  • Excludes batch-processing discounts.
  • Excludes server-side tool calls, web search, and other non-token charges.
  • Text tokens only. Image, audio, and video pricing is not modeled.
View GPT-5.6 Terra

o3

Input:
$2.00 per million tokens
Output:
$8.00 per million tokens
Cached input:
$0.50 per million tokens
Context window:
200,000 tokens
Price source: o3 pricingVerified on 2026-08-15

Not included

  • Reasoning tokens are billed as output tokens; batch, flex, priority processing, image input, tool-call fees, and taxes are not modeled.
View o3