GPT-5.5
OpenAI
GPT-5.5 by OpenAI costs — per 1M input tokens and — per 1M output tokens, with a —-token context window.
Pricing
Input (per 1M tokens)
—
Output (per 1M tokens)
—
Cached input (per 1M)
—
Specifications
- Provider
- OpenAI
- Context window
- —
- Parameters
- —
- Released
- Apr 2026
- Open weights
- No
- Frontier model
- No
Benchmarks
- LiveBenchreasoning/coding
- 81.3
- LMArena (Chatbot Arena) Elohuman-preference
- 1468.3
Compare GPT-5.5 with…
FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.