GPT-5.4 is OpenAI's frontier model (Mar 2026) featuring native computer use, a tool-search mechanism, and a 1M-token context window. Compare ways to access it.
GPT-5.4 (March 2026) is OpenAI's frontier model, introducing native computer use, a tool-search mechanism, and a 1M-token context window — enough to analyze an entire codebase or document set in a single request. A strong default for complex, agentic, long-context work.
You can try it free via Vercel AI Gateway ($5/month in credits, no credit card); pass-through pricing applies after that. See the providers below.
The following platforms provide free access to GPT-5.4 through free tiers, trial credits, or daily quotas.
| Provider | Context Window | Free Quota | Requires CC | Action |
|---|---|---|---|---|
| Vercel AI Gateway | 1000K | No | Details |
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