GPT-5.4 by OpenAI
GPT-5.4 unifies OpenAI's GPT and Codex lines into one frontier system, with a 1M-token context and vision support. It remains a widely used workhorse next to Sonnet 4.6, and a useful baseline before stepping up to GPT-5.5.
Specs
| Context window | 1.05M tokens |
|---|---|
| Max output | 128K tokens |
| Input modalities | file, image, text |
| Output modalities | text |
| Price (input) | $2.50 / 1M tokens |
| Price (output) | $15.00 / 1M tokens |
| Knowledge cutoff | August 2025 |
| Web search | Yes |
| Vision | Yes |
Related models
Last updated 2026-10-31 from the CompareIntel model registry and an OpenRouter spec snapshot dated 2026-10-25. Pricing and context figures follow OpenRouter.