GPT-5.5 Pro
GPT-5.5 Pro is OpenAI's language model with a 1.1M context window and up to 128K output tokens, available from 4 providers, starting at $30.00 / 1M input and $180.00 / 1M output. A high-compute OpenAI reasoning LLM that applies extended thinking for consistently higher-quality answers, with support for tool use, vision, and file input.
OpenAI's language model with a 1.1M context window and up to 128K output tokens, available from 4 providers, starting at $30.00 / 1M input and $180.00 / 1M output. A high-compute OpenAI reasoning LLM that applies extended thinking for consistently higher-quality answers, with support for tool use, vision, and file input.openai-gpt-5-5-pro |
| Language |
| Active |
| OpenAI |
| 1.1M tokens |
| 128K tokens |
| ImagePdfText |
| Text |
| defaultminimalxhigh |
| · 9 days ago |
0.00s#157 |
0.0#440 |
Capabilities
Input3/5
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Output1/5
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Capabilities7/13
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Pricing by Provider
| Provider | Standard | Batch | ||||
|---|---|---|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | Web Search $ / query | Input $ / 1M | Output $ / 1M | |
 Azure AI Foundry | $30.00 | $180.00 | $3.00 | N/A | — | — |
OpenAI | $30.00 | $180.00 | $3.00 | N/A | $15.00 | $90.00 |
 OpenRouter | $30.00 | $180.00 | N/A | $0.010 | — | — |
 Vercel AI Gateway | $30.00 | $180.00 | N/A | N/A | — | — |
Cost Calculator
Preset:
Compares every provider & tier in USD
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GPT-5.5 Pro | 1.1M | $30.00 | $180.00 | Current | |
| GPT-5.1 Codex Max | 400K | $1.25 | $10.00 | Available | |
| GPT-5.1 | 410K | $1.25 | $10.00 | Available | |
| GPT-5.1 Chat | 128K | $1.25 | $10.00 | Available | |
| GPT-5.1 Codex | 400K | $1.25 | $10.00 | Available | |
| GPT-5 Mini Image | 400K | $2.50 | $2.00 | Available | |
| GPT-5 Image | 400K | $10.00 | $10.00 | Available | |
| GPT-5 Pro | 400K | $15.00 | $120.00 | Available | |
| GPT-5 Codex | 400K | $1.25 | $10.00 | Available | |
| GPT-5 | 410K | $1.25 | $10.00 | Available | |
| GPT-5 Chat | 128K | $1.25 | $10.00 | Available |