All Models

GPT-5.4

gpt Reasoning Tool Calling Attachments Structured Output

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...

Providers 17
Released Feb 26, 2026
Input Modalities text, image, pdf
Output Modalities text, image
Tarsk Use coding

Available Providers (17)

Provider Model ID Input Cost Output Cost Context Max Output Docs
GitHub Copilot gpt-5.4 $0.00/MTok $0.00/MTok 400K 128K
Poe openai/gpt-5.4 $2.20/MTok $14.00/MTok 1.1M 128K
Abacus gpt-5.4 $2.50/MTok $15.00/MTok 1.1M 128K
Perplexity Agent openai/gpt-5.4 $2.50/MTok $15.00/MTok 1.1M 128K
OpenRouter openai/gpt-5.4 $2.50/MTok $15.00/MTok 1.1M 128K
Vivgrid gpt-5.4 $2.50/MTok $15.00/MTok 400K 128K
Cloudflare AI Gateway openai/gpt-5.4 $2.50/MTok $15.00/MTok 1.1M 128K
OpenCode Zen gpt-5.4 $2.50/MTok $15.00/MTok 1.1M 128K
Firmware gpt-5-4 $2.50/MTok $15.00/MTok 272K 128K
Azure Cognitive Services gpt-5.4 $2.50/MTok $15.00/MTok 400K 128K
OpenAI gpt-5.4 $2.50/MTok $15.00/MTok 1.1M 128K
Requesty openai/gpt-5.4 $2.50/MTok $15.00/MTok 1.1M 128K
Vercel AI Gateway openai/gpt-5.4 $2.50/MTok $15.00/MTok 1.1M 128K
LLM Gateway gpt-5.4 $2.50/MTok $15.00/MTok 1.1M 128K
Azure gpt-5.4 $2.50/MTok $15.00/MTok 400K 128K
Venice AI openai-gpt-54 $3.13/MTok $18.80/MTok 1M 131.1K
ZenMux openai/gpt-5.4 $3.75/MTok $18.75/MTok 1.1M 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output