GPT-5.5
AI/ML API
GPT-5.5 by AI/ML API costs $6.50 per 1M input tokens and $39.00 per 1M output tokens, with a 1.1M-token context window.
Pricing
Input (per 1M tokens)
$6.50
Output (per 1M tokens)
$39.00
Cached input (per 1M)
$0.65
Specifications
- Provider
- AI/ML API
- Context window
- 1.1M tokens
- Parameters
- —
- Released
- Apr 2026
- Open weights
- No
- Frontier model
- No
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FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.