OpenAI
Chatgpt 5.5
Updated: June 2026
GPT-5.5 is OpenAI's frontier model for complex professional workloads with stronger reasoning and reliability than 5.4. It supports text and image inputs with a 1M context window for long-horizon reasoning and coding.
Specifications
- Context
- 1M
- Input
- $5/M
- Output
- $30/M
Capabilities
VISIONTHINKINGCODINGWRITING
Similarly Priced Models
| Model | Provider | Context | Input Price | Output Price |
|---|---|---|---|---|
| Claude Opus 4.8 | Anthropic | 1M | $5/M | $25/M |
| Claude Opus 4.8 | Anthropic | 1M | $5/M | $25/M |
| Claude Opus 4.7 | Anthropic | 1M | $5/M | $25/M |
| Claude Opus 4.7 | Anthropic | 1M | $5/M | $25/M |
| Claude Opus 4.6 | Anthropic | 1M | $5/M | $25/M |