benchr
Pricing Guide · OpenAI

GPT-5.5 API Pricing

Detailed token costs, context window limits, benchmark performance, and caching structures for GPT-5.5.

Last reviewed: June 6, 2026 Sourced from official docs

GPT-5.5 Cost Breakdown

Dimension Value / Cost
Input Tokens Cost / 1M$5.000
Output Tokens Cost / 1M$30.000
Cached Input Tokens Cost / 1M$0.500
Max Context Window1,050,000 tokens
SWE-bench Verified Score84.0%
GPQA Diamond Score—

Best suited for:

  • Frontier math and reasoning
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  • Computer use
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  • Multi-step agents
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  • Vision + reasoning tasks

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