OpenAI
GPT-5.5
Released 2026-04-24 · Knowledge up to 2025-12-01
GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
You send / 1M
$5.00
tokens in
It replies / 1M
$30.00
tokens out
Memory
1.05M
tokens it can read at once
Typical request
$0.021
1,000 words in, 400 out
Data privacy
No training or retention: Yes. At least one provider serves it with zero data retention.
| Provider | You send / 1M | It replies / 1M | Uptime | Privacy policy |
|---|---|---|---|---|
| Azure | $5.00 | $30.00 | 99% | Read |
| Azure | $5.50 | $33.00 | 100% | Read |
| Azure | $5.50 | $33.00 | 100% | Read |
Based on OpenRouter and Vercel AI Gateway data. Confirm terms with the provider before sending sensitive data.
What it can do
- Reads: file, image, text
- Writes: text
- Reasoning: Yes
- Tool calling: Yes
- Longest reply: 128K tokens
- Repeated text is billed at $0.500 per 1M (prompt caching)
- Intelligence score: 38.4 / 100 (Artificial Analysis)
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Appears in
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