GPT-5.4 Pro
As of Oct 4, 2026, the cheapest GPT-5.4 Pro API price is $24 per 1M input tokens (Ofox) and $144 per 1M output tokens (Ofox). GPT-5.4 Pro is offered by 20 providers in the gpt-pro family, reasoning enabled. OpenAI's own rate is $180 per 1M output tokens.
API pricing by provider
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.
| Provider | 1M input | 1M output | 1M cache read | 1M cache write | Context | Changed |
|---|---|---|---|---|---|---|
| Ofox | Cheapest$24 | Cheapest$144 | — | — | 1.1M | 16d agoout −20% |
| Poe | $27 | $160 | — | — | 1.1M | — |
| Azure | †$30 | $180 | — | — | 1.1M | — |
| Azure Cognitive Services | †$30 | $180 | — | — | 1.1M | — |
| Cloudflare AI Gateway | $30 | $180 | — | — | 1.0M | — |
| DigitalOcean | †$30 | $180 | — | — | 1.1M | — |
| Eden AI | †$30 | $180 | — | — | 1.1M | — |
| Impossibl | †$30 | $180 | $3 | — | 1.1M | — |
| Kilo Gateway | $30 | $180 | — | — | 1.1M | — |
| DevPass (LLM Gateway) | $30 | $180 | — | — | 1.1M | — |
| LLM Gateway | $30 | $180 | — | — | 1.1M | — |
| LLM Gateway | $30 | $180 | — | — | 1.1M | — |
| OpenAI | †$30 | $180 | — | — | 1.1M | — |
| OpenCode Zen | $30 | $180 | $30 | — | 1.1M | — |
| OpenRouter | †$30 | $180 | — | — | 1.1M | — |
| Opper | †$30 | $180 | — | — | 1.1M | — |
| OrcaRouter | †$30 | $180 | — | — | 1.1M | — |
| Requesty | $30 | $180 | $30 | — | 1.1M | — |
| Vercel AI Gateway | †$30 | $180 | — | — | 1.1M | — |
| Venice AI | †$37.5 | $225 | — | — | 1.0M | — |
| ZenMux | $45 | $225 | — | — | 1.1M | — |
GPT-5.4 Pro pricing FAQ
What is the cheapest GPT-5.4 Pro API?
As of Oct 4, 2026, Ofox has the lowest GPT-5.4 Pro output price at $144 per 1M tokens, and Ofox has the lowest input price at $24 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.
How much does GPT-5.4 Pro cost on OpenAI?
OpenAI charges $30 per 1M input tokens and $180 per 1M output tokens for GPT-5.4 Pro.
How many providers offer GPT-5.4 Pro?
20 providers list GPT-5.4 Pro on Sovyron; 21 of them sell it at a metered per-token price.
Is GPT-5.4 Pro free?
No provider in the Sovyron catalog lists a free tier for GPT-5.4 Pro.
What is the context window of GPT-5.4 Pro?
GPT-5.4 Pro supports a 1.1M-token context window and up to 128k output tokens.