GPT-5.4 Pro — Peak Tier for Hard Professional Agent Work
GPT-5.4 Pro launched March 5 for ChatGPT Pro and Enterprise and the API. OpenAI positioned it for complex professional work, with launch API prices of $30/$180 per million input/output tokens; its own results vary by task.
OpenAI introduced GPT-5.4 Pro on March 5 as the higher-priced option for complex professional tasks. It launched in ChatGPT Pro and Enterprise, and in the API as gpt-5.4-pro.
The company positioned the GPT-5.4 family around reasoning, coding and agentic workflows. But the Pro label is not a promise of better results on every benchmark: OpenAI’s own table reports different outcomes across tasks, with some Pro fields left blank.
Availability and price#
At launch, GPT-5.4 Thinking began rolling out to ChatGPT Plus, Team and Pro. Enterprise and Edu administrators could enable early access. The Pro model had the narrower Pro/Enterprise ChatGPT availability.
OpenAI listed GPT-5.4 Pro at $30 per million input tokens and $180 per million output tokens, compared with $2.50/$15 for standard GPT-5.4. Those are launch API list prices; total task cost depends on token usage and applicable processing options.
Claims vs checks#
Availability and pricing come from OpenAI’s launch post. Capability language is the vendor’s positioning. Its evaluation table does not establish that Pro universally outperforms standard GPT-5.4, and no independent Pro-specific ranking is claimed here.
Correction (October 14, 2026): Replaced blanket Pro-performance claims with the launch post’s qualified positioning and exact availability and prices.