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Pricing Guide · OpenAI

GPT-5 API Pricing

Detailed token costs, context window limits, benchmark performance, and caching structures for GPT-5.

Last reviewed: June 6, 2026 Sourced from official docs

GPT-5 Cost Breakdown

Dimension Value / Cost
Input Tokens Cost / 1M$1.250
Output Tokens Cost / 1M$10.000
Cached Input Tokens Cost / 1M—
Max Context Window400,000 tokens
SWE-bench Verified Score74.9%
GPQA Diamond Score—

Best suited for:

  • Production workhorse at a rational price
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  • Breadth tasks
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  • Coding agents
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  • The everyday OpenAI pick

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