GPT-5.5 Pro

GPT-5.5 Pro is the higher-accuracy GPT-5.5 variant for harder questions, deeper research, and more demanding end-to-end tasks.

Input price
$27.00–$54.00list $30.00-10%
Output price
$162.00–$243.00list $180.00-10%
Context
1.1M
Max output
128K
Modalities
InputTextImageOutputText
163 (#10 of 89)
—
Released
2026-04-24
Knowledge cutoff
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Try in ChatCompare

Providers

This model is served by the dedicated providers below. We pick the provider for each request, so provider preferences don’t apply, including a provider named in your request. Prices in USD per 1M tokens. Need a custom setup? Contact [email protected].

Included providers1
  • SuccessTTFT
  • OpenAIUnited States——

Pricing

Prices for this model. Each request is billed at these prices, whichever provider serves it.

ItemStandardBatchPrice
Prompt ≤ 272K tokens
Inputper 1M tokens$27.00list $30.00-10%$13.50list $15.00-10%—
Outputper 1M tokens$162.00list $180.00-10%$81.00list $90.00-10%—
Prompt > 272K tokens
Inputper 1M tokens$54.00list $60.00-10%——
Outputper 1M tokens$243.00list $270.00-10%——
Web searchper request——$0.009list $0.01-10%

Make a request

Set your provider preferences, then copy the request. It reads your API key from OHMYGPT_API_KEY.

Provider preferences don’t apply to this model. Need a custom setup? Contact [email protected].

curl https://api.ohmygpt.com/v1/responses \
  -H "Authorization: Bearer $OHMYGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-5.5-pro",
    "input": "Hello"
  }'

Similar models

Other models with the same output types at a similar price.

  • Better value: more capable, lower price
  • Pareto frontier
  • This model
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Capability scores are from Epoch AI’s Epoch Capabilities Index (CC BY 4.0, as of 2026-11-02), which combines dozens of benchmarks with GPT-5 set at 150. epoch.ai/eci

Price: our current input price per 1M tokens in USD, lowest across channels. Dated snapshots and resold copies of the same model are merged into one point; free models are not shown.

Shaded area: capability above and price below the median of all models. Pareto frontier: no other model is both cheaper and more capable.

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