GPT-5.5 Pro API
OpenAI-compatible reasoning access with current metered pricing.
GPT-5.5 Pro at $20.00 input / $120.00 output per million tokens through Hypereal Credits.
Independent third-party API aggregator. Not affiliated with or endorsed by any model provider; model names are trademarks of their respective owners.
See what you can create
Frontier reasoning
“Multi-step math, formal proofs, scientific reasoning at SOTA quality”
Agentic coding
“Plan, execute, and verify multi-file refactors with tool use”
Research synthesis
“Read 100 papers, synthesize findings with proper citations”
Complex tool orchestration
“Multi-tool agents that plan, branch, and self-correct”
GPT-5.5 Pro pricing comparison
Current per-million-token pricing
Integrate in minutes
Standard REST API that works with any language. One API key gives you access to all models.
- Single endpoint for all models
- Bearer token authentication
- JSON request & response
- Webhook callbacks for async jobs
- Python & Node.js SDK available
# GPT-5.5 Pro for deep reasoning, drop-in OpenAI-SDK
from openai import OpenAI
client = OpenAI(
api_key="hyp-...",
base_url="https://api.hypereal.cloud/v1",
)
resp = client.chat.completions.create(
model="gpt-5.5-pro",
messages=[
{"role": "user", "content": "Prove that the sum of two odd integers is even, formally."},
],
reasoning_effort="high",
)
print(resp.choices[0].message.content)Why GPT-5.5 Pro
current OpenAI-compatible pricing Pro pricing
GPT-5.5 Pro at $20.00 input / $120.00 output per million tokens through Hypereal Credits.
Configurable reasoning effort
Set reasoning_effort to low, medium, or high to trade latency for depth — same parameter as official OpenAI Pro.
400K context, 128K max output
Full GPT-5.5 Pro spec: 400,000-token input, 128,000-token output. Handles entire codebases and large documents.
Frequently asked questions
Current metered pricing
Real GPT-5.5 Pro — same weights, same outputs, same reasoning_effort parameter. Hypereal is an aggregator, not a fine-tune.
When should I use Pro vs regular GPT-5.5?
Use Hypereal with current metered pricing and one prepaid credit balance. Check the live per-model rate before production traffic.
Does reasoning_effort=high cost more?
Higher reasoning_effort can use more reasoning tokens, which are billed as output tokens. Check current Hypereal pricing before running large reasoning jobs.
Is there a free trial?
No. Sign up and buy credits to try Pro on real workloads. Credits start at $10 with no subscription.
How does billing work?
Pay per token using credits. 100 credits = $1. Card and crypto accepted, no subscription required, no monthly reset.
Use GPT-5.5 Pro with current Hypereal pricing.
Same GPT-5.5 Pro, drop-in OpenAI-SDK, current metered pricing. Credits start at $10.