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OpenAI: GPT-5.4

OpenAI: GPT-5.4 is a text model from Openai, with a 1.1M-token context window, priced at $2.50 in · $15.00 out / 1M. On Fully Informed you can add OpenAI: GPT-5.4 to a multi-model panel, where it answers independently, debates the other models and gets cross-checked for blind spots.

Vendor OpenaiType Text1.1M contextPrice $2.50 in · $15.00 out / 1M
Put OpenAI: GPT-5.4 on the panel →
GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...
Related text models
OpenAI: GPT-3.5 Turbo$0.50 in · $1.50 out / 1MOpenAI: GPT-3.5 Turbo (older v0613)$1.00 in · $2.00 out / 1MAnthropic: Claude Fable Latest$10.00 in · $50.00 out / 1MAnthropic Claude Haiku Latest$1.00 in · $5.00 out / 1MAnthropic: Claude Opus Latest$5.00 in · $25.00 out / 1MAnthropic Claude Sonnet Latest$2.00 in · $10.00 out / 1M
FAQ
What is OpenAI: GPT-5.4?
GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...
What is the context window of OpenAI: GPT-5.4?
OpenAI: GPT-5.4 supports a 1.1M-token context window.
How much does OpenAI: GPT-5.4 cost?
OpenAI: GPT-5.4 is priced at $2.50 in · $15.00 out / 1M via OpenRouter.
What are alternatives to OpenAI: GPT-5.4?
Comparable text models include OpenAI: GPT-3.5 Turbo, OpenAI: GPT-3.5 Turbo (older v0613), Anthropic: Claude Fable Latest, Anthropic Claude Haiku Latest.
Model data via OpenRouter. Browse all models · Run a panel on Fully Informed