GPT-5.5 Pro Pricing
OpenAI · GPT-5 · Live
Prices verified July 29, 2026
GPT-5.5 Pro costs $30 per million input tokens and $180 per million output tokens on the OpenAI API. It supports a 400,000-token context window and up to 16,384 output tokens per request. The model supports extended reasoning, image input, tool use. Pricing verified July 29, 2026.
GPT-5.5 Pro API pricing
- Input (per 1M tokens)
- $30
- Output (per 1M tokens)
- $180
- Batch discount
- 50%
- Context window
- 400,000 tokens
- Max output
- 16,384 tokens
Capabilities
Extended reasoningImage inputTool use
Price history
No price snapshots recorded yet.
Frequently asked questions
Notes
OpenAI's premium GPT-5.5 tier — surfaced by the weekly refresh agent May 28, 2026 (source: openai.com/api/pricing). 6× standard GPT-5.5 rates. Closest analog to Anthropic Opus fast mode. Long-context tier above 272K applies 2× input / 1.5× output multiplier (not yet captured in schema).