TokenRate

GPT-5.5 Pricing

Flagship

OpenAI · 1M tokens context

GPT-5.5 from OpenAI costs $5.00 per 1 million input tokens and $30.00 per 1 million output tokens as of June 2026 (live OpenRouter data). The model supports a 1,050,000-token context window (approximately 787,500 words) with a 128K-token maximum output. A typical 1,000-token request costs $0.0050 in input charges; a 10,000-token request costs $0.0500.

GPT-5.5 pricing and capability summary
Input price$5.00 / 1M tokens
Output price$30.00 / 1M tokens
Output / input ratio6.0×
Context window1,050,000 tokens (~787,500 words)
Maximum output128,000 tokens
Cost per 1K tokens (input)$0.0050
TierFlagship
Last verified

GPT-5. 5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.

Live pricing from OpenRouter

Input Price

$5.00

per 1 million tokens

Output Price

$30.00

per 1 million tokens

Context Window

1M tokens

max 128K output

Cost Examples

Request TypeTokensInput CostOutput Cost
1,000 word article1,333$0.00666$0.012
10-page document (2,500 words)3,333$0.0167$0.03
1,000 lines of code5,000$0.025$0.045
100K token document100,000$0.50$0.90

Output cost estimated at 30% of input token count. Use the calculator for exact figures.

Strengths

  • Massive 1M-token context window
  • Frontier-class quality on complex tasks
  • Multimodal: understands images as well as text

Limitations

  • Premium pricing — overkill for simple tasks
  • Quality and availability can vary by hosting provider

Best Use Cases

Complex research and analysis
Advanced coding and architecture
Multimodal document understanding
High-stakes production workloads

Calculate GPT-5.5 Costs

Use the TokenRate calculator to convert any budget, token count, or text into exact GPT-5.5 costs — and compare across all models.

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GPT-5.5 — FAQ

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