← LLM Models
GPT-5.4
OpenAI
GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...
openrouter.ai ↗📖Context1M tokens
🚀Speed-
💵Input price$2.50/1M
💸Output price$15.00/1M
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API Providers
Details
- Provider
- OpenAI
- Parameters
- -
- Context
- 1M tokens
- Speed
- -
- Open Source
- No
- License
- Proprietary
- Released
- Mar 2026