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GPT-5.5 API pricing on OpenAI

Every OpenAI GPT-5.5 rate we track, compared against 6 providers serving the same model.

Input from /1M
$2.50
Output /1M
$15.00
Price rank
#2 of 6
Last updated
October 13, 2026

The cheapest GPT-5.5 input price we currently track is $1.50/1M on Velokey.

OpenAI GPT-5.5 rates

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

OpenAI GPT-5.5 pricing by mode
ModeInputOutput
Batch$2.50/1M$15.00/1M
Standard$5.00/1M$30.00/1M

About GPT-5.5

Creator
OpenAI
Modalities
text
Full GPT-5.5 details and every provider →Compare API pricing for every OpenAI model →

GPT-5.5 on other providers

About OpenAI

OpenAI is an AI research company offering its GPT model family, reasoning models, image generation, and realtime audio models through its API platform. Developers build on the Responses API and Agents SDK with pay-per-token pricing.

Frequently Asked Questions

How much does GPT-5.5 cost on OpenAI?

OpenAI serves GPT-5.5 from $2.50 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 OpenAI the cheapest way to run GPT-5.5?

OpenAI ranks #2 of 6 providers we track serving GPT-5.5. The cheapest input price right now is on Velokey. Price is only one factor — throughput, latency, and context limits differ between providers.

Does OpenAI offer batch or cached pricing for GPT-5.5?

We track 2 GPT-5.5 offerings from OpenAI. 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.