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GPT-5.5 Pro API pricing on OpenRouter

Every OpenRouter GPT-5.5 Pro rate we track, compared against 2 providers serving the same model.

Input from /1M
$15.00
Output /1M
$90.00
Price rank
#1 of 2
Last updated
September 1, 2026

The cheapest GPT-5.5 Pro input price we currently track is $15.00/1M on OpenAI.

OpenRouter GPT-5.5 Pro rates

Prices per 1M tokens. Batch and cached-input rates are shown where the provider publishes them.

OpenRouter GPT-5.5 Pro pricing by mode
ModeInputOutput
Batch$15.00/1M$90.00/1M
Standard$30.00/1M$180.00/1M

About GPT-5.5 Pro

Creator
OpenAI
Modalities
text, image
Full GPT-5.5 Pro details and every provider →

GPT-5.5 Pro on other providers

About OpenRouter

OpenRouter provides a unified API for accessing hundreds of AI models from multiple providers. It aggregates models from OpenAI, Anthropic, Google, Meta, Mistral, and many others, offering a single endpoint with automatic fallback routing and provider optimization.

Frequently Asked Questions

How much does GPT-5.5 Pro cost on OpenRouter?

OpenRouter serves GPT-5.5 Pro from $15.00 per 1M input tokens, across 2 tracked pricing modes. Prices are collected daily — see the table above for current input, output, and cached-input rates.

Is OpenRouter the cheapest way to run GPT-5.5 Pro?

OpenRouter ranks #1 of 2 providers we track serving GPT-5.5 Pro. The cheapest input price right now is on OpenAI. Price is only one factor — throughput, latency, and context limits differ between providers.

Does OpenRouter offer batch or cached pricing for GPT-5.5 Pro?

We track 2 GPT-5.5 Pro offerings from OpenRouter. Batch and cached-input rates appear in the table above when the provider publishes them; blank cells mean we have no current figure for that mode.