GPT-5.5 Pro

openai/gpt-5.5-pro
NewFlagship
by OpenAI · file+image+text in · 2026-04-24

GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex…

INPUT$30.00/ 1M tokens
OUTPUT$180.00/ 1M tokens
p50 TTFT60.00 s7d
p95 TTFT1818.00 s7d
TRAFFIC17.0Ktokens / 7d
Code samples
from openai import OpenAI

client = OpenAI(
    base_url="https://orcarouter.ai/v1",
    api_key="$ORCAROUTER_API_KEY",
)

response = client.chat.completions.create(
    model="openai/gpt-5.5-pro",
    messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)
Pricing
Input / 1M tokens$30.00
Output / 1M tokens$180.00
CurrencyUSD
Performance
TTFT p50
60.00 s
Output speed
48.5 tok/s
TTFT p95
1818.00 s
Error rate
88.1%
Public benchmarks
No public benchmark scores ingested yet.
FAQ
How much does OpenAI: GPT-5.5 Pro cost on OrcaRouter?
OpenAI: GPT-5.5 Pro is priced at $30.00 per 1M input tokens and $180.00 per 1M output tokens via OrcaRouter. Pricing is pulled live from the routing layer.
What is OpenAI: GPT-5.5 Pro's context window?
OpenAI: GPT-5.5 Pro supports a context window of — tokens. Use long-context features (RAG, summarisation) up to that limit.
How do I call OpenAI: GPT-5.5 Pro via the OpenAI SDK?
Set OpenAI base_url to https://orcarouter.ai/v1, supply your OrcaRouter API key, and pass model="openai/gpt-5.5-pro" in the chat.completions.create call.
Does OrcaRouter rate-limit OpenAI: GPT-5.5 Pro?
Per-model rate limits follow your OrcaRouter plan. Free tiers ship with conservative caps; paid tiers lift them. Check /pricing for current quotas.
Embed this badge
OpenAI: GPT-5.5 Pro$30.00/M in60000ms p50via OrcaRouter
HTML <a href="https://www.orcarouter.ai/models/openai/gpt-5.5-pro" target="_blank"> <img src="https://www.orcarouter.ai/embed/openai/gpt-5.5-pro.svg" alt="OpenAI: GPT-5.5 Pro on OrcaRouter" /> </a>
Markdown [![OpenAI: GPT-5.5 Pro](https://www.orcarouter.ai/embed/openai/gpt-5.5-pro.svg)](https://www.orcarouter.ai/models/openai/gpt-5.5-pro)