OpenAI pricing
GPT-5.5 Cost Calculator
GPT-5.5 is OpenAI's most capable model with native multimodal reasoning, 256K context, and unified tool use. Successor to GPT-5.
Input
$5.00
per 1M tokens
Output
$20.00
per 1M tokens
Context window
256K
tokens
Released
2026-04
Cutoff 2026-01
✓ Exact tokenizer·$5.00 in·$20.00 out (per 1M)
Quick start with a use case
Total cost per call$0.0150
Input$0.005000
Output$0.0100
Cost comparison
Standard
$0.0150
With Caching
$0.0131
Save 12% ↓
With Batch
$0.007500
Save 50% ↓
Detailed pricing
GPT-5.5 pricing breakdown
All pricing dimensions including caching and batch discounts.
| Type | Price (per 1M tokens) |
|---|---|
| Input | $5.0000 |
| Output | $20.0000 |
| Cached input | $1.2500 |
| Batch input | $2.5000 |
| Batch output | $10.0000 |
Last verified 2026-05-01 · OpenAI official pricing
How it compares
GPT-5.5 vs alternatives
Single-call cost (1000 input + 500 output tokens) ranked from cheapest.
| Model | Per call |
|---|---|
GPT-5.5 OpenAI · this page | $0.0150 |
| GPT-5 mini OpenAI | $0.000600 |
| DeepSeek V4 DeepSeek | $0.000900 |
| Gemini 3.0 Flash Google | $0.001250 |
| o4-mini OpenAI | $0.002700 |
| Claude Haiku 4.5 Anthropic | $0.003500 |
Recommended use
When to choose GPT-5.5
GPT-5.5 shines for general-purpose tasks, image and document understanding, complex multi-step reasoning, and code generation and review. Token counts on this page are exact via the official tokenizer.
✓Context window of 256K tokens handles long conversations and large documents.
✓Prompt caching available — significant savings for repeated system prompts.
✓Batch API support for non-realtime workloads at ~50% discount.
✓Tool / function calling supported.
FAQ
Frequently asked questions
GPT-5.5 costs $5.00 per 1M input tokens and $20.00 per 1M output tokens. A typical chat call (1000 input + 500 output tokens) costs approximately $0.0150. Use the calculator above to estimate your specific use case.
Related
Other models you might consider
OpenAI
GPT-5 mini
OpenAI's affordable everyday workhorse
$0.20 in$0.80 out
DeepSeek
DeepSeek V4
DeepSeek's open MoE flagship — top open-weight performer
$0.30 in$1.20 out
Google
Gemini 3.0 Flash
Google's high-throughput multimodal model
$0.25 in$2.00 out
OpenAI
o4-mini
OpenAI's reasoning model — cheaper than o3
$0.90 in$3.60 out
Anthropic
Claude Haiku 4.5
Anthropic's fast affordable workhorse
$1.00 in$5.00 out