OpenAI: GPT-5.5, OpenAI — route, pricing & source
OpenAI frontier reasoning model for complex coding and professional work.
OpenAI APIhighLast checked: May 13, 2026
Input
$5.00 / 1M
/ 1M tokens
Output
$30.00 / 1M
/ 1M tokens
Cached input
$0.5000 / 1M
/ 1M tokens
Cache write
Not available
Not available
Context and limits
Context window
1.1M
Max output
128,000
Input modalities
text, image
Output modalities
text
Weight access
Closed
Availability
Official API
Capability flags
VisionToolsJSONReasoningLong context
From source metadata + verification fields — confirm provider docs before production.
Access and license
Official API
Yes
Open weights
No
Self-hostable
No
License
Closed · API onlyNo public weights: use through a vendor’s cloud API or product. “Proprietary” means the creator does not distribute the trained model weights for self-hosting.
Example costs
Scenario: 1K input + 300 output tokens / request
10,000 requests
$140.00
100,000 requests
$1,400.00
1,000,000 requests
$14,000.00
Cheaper alternatives
Lower-cost models for the same scenario
Source
Source
OpenAI public model and pricing docs
Confidence
high
Route
OpenAI API
Last checked
May 13, 2026
Source notes
- Pricing and limits are taken from public OpenAI model/pricing pages.
- Benchmark values are provider-reported and should be displayed separately from independent benchmark sources.
