The Orchestrator › Models › OpenAI
OpenAI: GPT-5.5 Pro
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...
Specifications
| Provider | OpenAI |
| Model ID | openai/gpt-5.5-pro |
| Context window | 1.1M tokens (1,050,000) |
| Modalities | text + image + file → text |
| Tokenizer | GPT |
| Router sources | OpenRouter, Vercel AI Gateway, Cloudflare |
| Released | 2026-04-24 |
| Tracked since | 2026-11-14 |
| Popularity | Not in the ranked set |
| Reasoning | Mandatory |
Pricing (per million tokens)
| Variant | Source | API ID | Input | Output | Context |
|---|---|---|---|---|---|
| standard | OpenRouter | openai/gpt-5.5-pro | $30.00 | $180.00 | 1.1M |
| batch | OpenRouter | openai/gpt-5.5-pro:batch | $15.00 | $90.00 | 1.1M |
| standard | Vercel AI Gateway | openai/gpt-5.5-pro | $30.00 | $180.00 | 1M |
| batch | Vercel AI Gateway | openai/gpt-5.5-pro:batch | $15.00 | $90.00 | 1M |
| standard | Cloudflare | openai/gpt-5.5-pro | $30.00 | $180.00 | — |
Recorded price history
| Date | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| 2026-11-14 | $30.00 | $180.00 | — |
| 2026-11-14 | $30.00 | $180.00 | 1M |
| 2026-11-14 | $30.00 | $180.00 | 1.1M |
Capabilities
Vision (image input)File inputAgentic tool useStructured outputsReasoning (always on)1M+ context windowControllable reasoningZero data retentionNo training on inputs (attested)
Trust flags come from TrustedRouter's per-provider attestations.
Supported parameters
include_reasoning, max_tokens, reasoning, reasoning_effort, response_format, seed, structured_outputs, tool_choice, tools, verbosity