GPT-5.5 Pro
Model Information
| Slug | gpt-5-5-pro |
|---|---|
| LLMs.txt | View |
| Release Date | April 23, 2026 |
| HLE | 0.572 |
| Browse Comp | 0.901 |
Organization
| Name | OpenAI |
|---|---|
| Website | https://openai.com/ |
Model Description
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 text and image inputs, and is designed for long-horizon problem solving, agentic coding, and precise execution across multi-step workflows.
Available at 28 Providers
| Provider | Type | Model Name | Original Model | Input ($/1M) | Output ($/1M) | Free | Actions | |
|---|---|---|---|---|---|---|---|---|
|
Naga |
GPT 5.5 Pro
|
gpt-5.5-pro
|
$20.00 | $100.00 | |||
|
Nous Research |
OpenAI: GPT-5.5 Pro
|
openai/gpt-5.5-pro
|
$24.00 | $144.00 | |||
|
Cline |
Code
|
OpenAI: GPT-5.5 Pro
|
openai/gpt-5.5-pro
|
$30.00 | $180.00 | ||
|
Kilo Code |
Code
|
OpenAI: GPT-5.5 Pro
|
openai/gpt-5.5-pro
|
$30.00 | $180.00 | ||
|
OpenRouter |
Chat
Code
|
GPT-5.5 Pro
|
openai/gpt-5.5-pro
|
$30.00 | $180.00 | ||
|
OpenCode Zen |
Chat
Code
|
gpt-5.5-pro
|
gpt-5.5-pro
|
$30.00 | $180.00 | ||
|
ZenMUX |
Chat
Code
|
OpenAI: GPT-5.5 Pro
|
openai/gpt-5.5-pro
|
$30.00 | $180.00 | ||
|
FastRouter |
OpenAI: GPT-5.5 Pro
|
openai/gpt-5.5-pro
|
$30.00 | $180.00 | |||
|
Requesty |
openai-responses/gpt-5.5-pro
|
$30.00 | $180.00 | ||||
|
WaveSpeed AI |
Chat
Code
|
gpt-5.5-pro
|
openai/gpt-5.5-pro
|
$30.00 | $180.00 | ||
|
LLM Gateway |
Chat
|
GPT-5.5 Pro
|
gpt-5.5-pro
|
$30.00 | $180.00 | ||
|
OrcaRouter |
OpenAI: GPT-5.5 Pro
|
openai/gpt-5.5-pro
|
$30.00 | $180.00 | |||
|
AIHubMix |
Chat
Code
|
gpt-5.5-pro
|
gpt-5.5-pro
|
$30.00 | $180.00 | ||
|
Vercel AI Gateway |
GPT 5.5 Pro
|
openai/gpt-5.5-pro
|
$30.00 | $180.00 | |||
|
Auriko |
|
GPT-5.5 pro
|
gpt-5.5-pro-2026-04-23
|
$30.00 | $180.00 | ||
|
Blackbox AI |
Code
|
blackboxai/openai/gpt-5.5-pro
|
blackboxai/openai/gpt-5.5-pro
|
$30.00 | $180.00 | ||
|
CrossModel |
GPT-5.5 Pro
|
openai/gpt-5.5-pro
|
$30.00 | $180.00 | |||
|
Zed |
Code
|
GPT-5.5 pro
|
GPT-5.5 pro
|
$33.00 | $198.00 | ||
|
|
OrcaRouter |
openai/gpt-5.5-pro-2026-04-23
|
$60.00 | $270.00 | ||||
|
Krater |
OpenAI: GPT-5.5 Pro
|
gpt-5-5-pro
|
- | - | |||
|
ValorGPT |
GPT-5.5 Pro
|
openai-gpt-5.5-pro
|
- | - | |||
|
CometAPI |
GPT 5.5 Pro
|
gpt-5.5-pro
|
- | - | |||
|
Factory.ai |
Code
|
GPT-5.5 Pro
|
gpt-5.5-pro
|
- | - | ||
|
OpenAI |
Chat
Code
|
gpt-5.5-pro
|
gpt-5.5-pro
|
- | - | ||
|
AIMLAPI |
GPT-5.5 Pro
|
openai/gpt-5.5-pro-2026-04-23
|
- | - | |||
|
|
AIMLAPI |
GPT-5.5 Pro
|
openai/gpt-5-5-pro
|
- | - | |||
|
|
AIMLAPI |
GPT-5.5 Pro
|
openai/gpt-5.5-pro
|
- | - | |||
|
ApiYI |
Chat
Code
|
gpt-5.5-pro
|
gpt-5.5-pro
|
- | - |