GPT-5.4
by OpenAI
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.
Models
GPT-5.4
Added 10 July 2026
Overview
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...
How to use / API access
Call via OpenRouter with model id `openai/gpt-5.4`.
- openrouter ·
openai/gpt-5.4Docs
OpenRouter id: openai/gpt-5.4
Benchmarks
- Intelligence Index (artificial-analysis): 39 index
- Coding Index (artificial-analysis): 71.1 index
- Design Arena 3d (other): 1102 elo · #87
- Design Arena asciiart (other): 1202 elo · #24
- Design Arena codecategories (other): 1214 elo · #54
- Design Arena dataviz (other): 1236 elo · #40
Notes
GPT-5.4 is listed in the EDNA Models directory from the OpenRouter catalogue.
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