gpt-5.4-2026-03-05 at a glance
Provider. OpenAI
Context window. 1,050,000 tokens (about 788,000 English words).
API pricing. $2.50 input / $15.00 output per 1M tokens.
Tokenizer. o200k_base (OpenAI) - exact, runs in your browser.
Pricing source. The community-maintained LiteLLM pricing dataset, refreshed 2026-07-01. Community-tracked rates can lag provider changes; confirm with the provider before budgeting.