GPT-5.5: API pricing, context window and capabilities

Prices from official vendor price lists · October 2026

GPT-5.5 costs $5 per 1M input tokens and $30 per 1M output tokens, with a 1.05M context window. Top of OpenAI’s range and dearer than 97% of this rating. Worth it when the first answer has to be right — GPT-5.6 Sol handles routine work for about 2× less.

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Capabilities

API $/1M (in / out)

$5 / $30

Context window

1.05M tokens

Price / mo

API only

Overview Reviews

GPT-5.5 is an AI model from OpenAI, priced at $5 input and $30 output per 1M tokens. That places it in the frontier tier of this rating — dearer than 97% of the 205 priced models listed.

It holds 1.05M tokens in a single conversation, enough for a full codebase or a contract bundle in one pass. Capabilities recorded in this rating: text & chat, vision, reasoning, tool calling, structured JSON output. Access is through the API rather than a consumer subscription.

API price$5 / $30per 1M tokens, in / out

Context1.05M tokenstokens per conversation

VendorOpenAIall models from this vendor

TierFrontierdearer than 97% of models

Cost calculator

1M tokens/mo10M tokens/mo50M tokens/mo200M tokens/mo

Standard$23.75~~AED 87 per month~~

With batch −50%$11.88~~AED 44 per month~~

With caching on input$22.63~~AED 83 per month~~

Standard$238~~AED 872 per month~~

With batch −50%$119~~AED 436 per month~~

With caching on input$226~~AED 831 per month~~

Standard$1,188~~AED 4,361 per month~~

With batch −50%$594~~AED 2,181 per month~~

With caching on input$1,131~~AED 4,155 per month~~

Standard$4,750~~AED 17,444 per month~~

With batch −50%$2,375~~AED 8,722 per month~~

With caching on input$4,525~~AED 16,618 per month~~

Assumes a 1:3 input-to-output ratio, which is typical for chat and generation. Dirham figures use 3.6725 per dollar. Batch and caching discounts apply where the vendor offers them.

Compared with alternatives

How GPT-5.5 sits against its neighbours in this rating. Tap a card to open that model.

Good and poor fit

Good fit

Multi-step analysis, planning and code review, where the first plausible answer is often wrong.
Reading screenshots, charts, scanned documents and photos.
Whole codebases, contract bundles and long transcripts in a single pass.

Poor fit

Classification, routing and short summaries — a small model does these identically for a fraction of the price.

Related filters

Text & chat234 models for text generation and chat

Vision159 models that read images

Reasoning175 models that think before answering

Tool calling172 models that call your functions

Code execution47 models that run code in a sandbox

OpenAI30 models from this vendor

All 245 modelsThe full rating with filters and prices

Frequently asked questions

How much does GPT-5.5 cost?

$5 / $30 per 1M tokens, input and output. In dirhams that is roughly AED 18.36 per 1M input tokens. Batch processing halves it where the vendor offers it.

What is the context window of GPT-5.5?

1.05M tokens in a single conversation.

What can GPT-5.5 do?

In this rating it is recorded with: text & chat, vision, reasoning, tool calling, structured JSON output, code execution, long context 1M+, prompt caching, batch API, priority / fast tier, multilingual, proprietary API.

Is GPT-5.5 a good choice?

It depends on the job. See the good-fit and poor-fit lists above, and compare against the neighbouring models before committing.

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