OpenAI › GPT-5.5 Pro › Pricing
$30 / $180per 1M tokens in / out
#420on OpenRouter by tokens · 206M / week
Price sheetper 1M tokens
| Input | $30 | list |
| Output | $180 | |
| Context · max output | 1.1M · 128K | tokens |
Where to buy1 provider · per 1M tokens
| Provider | Input | Output | Context |
|---|---|---|---|
| OpenAIlab | $30 | $180 | 1.1M |
In OpenAI's line-upper 1M in / out
| Chat Latest | $5 / $30 | −83% |
| GPT-6 Astra | $10 / $50 | −70% |
| GPT-5.6 Cyber | $12.50 / $75 | −58% |
| GPT-5 Pro | $15 / $120 | −39% |
| GPT-5.2 Pro | $21 / $168 | −14% |
| GPT-5.5 Pro | $30 / $180 | this model |
| GPT-5.4 Pro (2026-03-05) | $30 / $180 | 0% |
Cheaper for the same workvs GPT-5.5 Pro at high
| GPT-5.6 Sol max | -88% | score +6% | $1.99 |
| GPT-6.1 Sol max | -94% | score +4% | $0.72 |
| Claude Opus 5.5 max | -88% | score +4% | $5.98 |
| GPT-6 Astra max | -70% | score +4% | $3.26 |
| Claude Sonnet 5.5 max | -94% | same score | $5.46 |
Pricing questions
How much does GPT-5.5 Pro cost?›
$30 per 1M input tokens and $180 per 1M output tokens.
Is GPT-5.5 Pro free to use?›
There is no free API tier.
Is GPT-5.5 Pro cheaper than GPT-5.4 Pro?›
It costs the same per token: $30 / $180.
What is a cheaper alternative to GPT-5.5 Pro?›
GPT-5.6 Sol at max effort costs -88% per task with a score +6% on CritPt (physics).