According to UsagePricing's tracker, GPT-5.5 costs $5.00 per 1M input tokens and $30.00 per 1M output tokens as of April 2026. The model supports a 1,000,000-token context window.
Latest flagship model — frontier intelligence with 1M context window.
Token Costs (per 1M)
Input Price
$5.00
Output Price
$30.00
Technical Specs
Price History
| Date | Input Price | Output Price |
|---|---|---|
| 4/25/2026 | $5.00 | $30.00 |
Compare GPT-5.5 With Other Models
Building with GPT-5.5?
Estimate your total monthly bill based on your expected traffic and usage patterns. Our advanced calculator handles complex scenarios like RAG and agentic workflows.
Frequently Asked Questions
How much does GPT-5.5 cost per 1M tokens? ▼
GPT-5.5 costs $5 per 1M input tokens and $30 per 1M output tokens as of April 2026.
What is GPT-5.5's context window? ▼
GPT-5.5 has a context window of 1,000,000 tokens, meaning it can process approximately 750,000 words in a single request.
Who makes GPT-5.5? ▼
GPT-5.5 is made by OpenAI. You can access it via the OpenAI API.