openai
OpenAI: GPT-5.5 Pro
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...
Quality Score
85/100
composite of price, context, capability
Input Price
$30.00
per 1M tokens
Output Price
$180.00
per 1M tokens
Context Window
1,050,000
tokens
- Model ID
- openai/gpt-5.5-pro
- Vendor
- openai
- Tokenizer
- GPT
- Input Modalities
- file, image, text
- Output Modalities
- text
- Max Output
- 128,000 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- yes
Similar models
openai
OpenAI: GPT-5.4 Pro
$30.00 in / $180.00 out
1,050,000 ctx
85
openai
OpenAI: GPT-5.2 Pro
$21.00 in / $168.00 out
400,000 ctx
85
openai
OpenAI: o3 Deep Research
$10.00 in / $40.00 out
200,000 ctx
85
openai
OpenAI: GPT-5 Pro
$15.00 in / $120.00 out
400,000 ctx
85
openai
OpenAI: o3 Pro
$20.00 in / $80.00 out
200,000 ctx
85
openai
OpenAI: o1
$15.00 in / $60.00 out
200,000 ctx
85