GPT-5.5 Pro API pricing & setup
As of 2026-10-17, the cheapest GPT-5.5 Pro channel is OpenRouter: $30 input / $180 output per 1M tokens (blended $67.5). Context 1.1M.
→ GPT hub: all prices, free access, setup
Context: 1.1M · Max output: 128K · Modalities: file, image, text · Listed: 2026-04-24
Channel comparison (per 1M tokens)
| Channel | Blended | Input | Output | Cached | Access & payment (this channel) | Notes | Source |
|---|---|---|---|---|---|---|---|
| OpenRouter $30 / $180 | $67.5 | $30 | $180 | ✗CN direct✓Alipay✗ID✗Intl card conditions source2026-10-17 | Original vendor endpoint: OpenAI | openrouter.ai 2026-10-17 |
Access & payment conditions are verified per channel (see the column above); unverified never counts as met.
How to use GPT-5.5 Pro in Claude Code / Codex / OpenCode
Provider-specific setup not yet verified. Generic setup: guides
Cheaper alternatives
GPT-6 Astra ($20) · Claude Fable 5.1 ($20) · GPT-5.5 ($11.25) ·
Related comparisons
Claude Opus 5.5 vs GPT-6 Astra · GPT-6.1 Sol vs Claude Sonnet 5.5 · Gemini 4 Argon vs GPT-6.1 Sol · Compare any two →
Rankings: Cheapest LLM APIs · LLM APIs usable from mainland China · All OpenAI models
Price history
- 2026-10-17 · OpenRouter · GPT-5.5 Pro listed · $30 / $180
FAQ
How much does the GPT-5.5 Pro API cost?
Cheapest channel (OpenRouter): $30 input / $180 output per 1M tokens, verified 2026-10-17.
Can I use GPT-5.5 Pro from China?
OpenRouter: direct no, Alipay yes, ID required no, overseas card no
Is GPT-5.5 Pro free?
No free route or deal recorded for this model; pay-as-you-go.
What is GPT-5.5 Pro's context window?
1.1M tokens