OpenAI
GPT-5.5 API Pricing
Flagship model, "a new class of intelligence for coding and professional work." Knowledge cutoff Dec 1 2025. Batch: $2.50/$15.00 per MTok, cached batch input $0.25.
Verified against OpenAI’s pricing page on 2026-07-02.
View source ↗Facts
Specs
- FamilyGPT-5
- API IDgpt-5.5
- ModalityMultimodal
- Context window1.1M tokens
- Max output128K tokens
- Release date2026-04-23
Pricing (per 1M tokens)
- Input$5.00 / 1M tokens
- Output$30.00 / 1M tokens
- Cached input$0.50 / 1M tokens
- Cache write—
- Batch discount50%
Capabilities
vision, tool-use, reasoning, function-calling, structured-outputs, streaming
Notes
Flagship model, "a new class of intelligence for coding and professional work." Knowledge cutoff Dec 1 2025. Batch: $2.50/$15.00 per MTok, cached batch input $0.25.
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | Est. monthly cost |
|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $1,000 |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $1,530 |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $725.00 |
Price history
Changes we have documented since we began tracking
No price changes recorded since we began tracking.
GPT-5.5 pricing FAQ
- How much does GPT-5.5 cost per 1M tokens?
- GPT-5.5 costs $5.00 per 1M input tokens and $30.00 per 1M output tokens.
- How much does GPT-5.5 cost per request?
- A typical request of 800 input and 200 output tokens costs about $0.01 on GPT-5.5.
- Is GPT-5.5 cheaper than GPT-5.4?
- GPT-5.5 is more expensive than GPT-5.4 on input tokens, by about 100%.
- Does GPT-5.5 have cache pricing?
- Yes — cached input reads cost $0.50 per 1M tokens.