Model ledger

GPT-5.6 Terra

OpenAI Codex · 8 recorded runs · 8 benchmarks. Open a run for its public headline result. Paid research access opens the full available ledger and configuration. Builder adds exact prompts, released projects, the RemakeBench Harness and production skills for the tests in its library.

Ultra reasoning

← All models Enter a blind battle

Benchmark

Campfire under the stars

1 run · Ultra reasoning

01GPT-5.6 Terra Ultra24:28.8 wall-clockWall-clock

Benchmark

Explorable space-flight game

1 run · Ultra reasoning

01GPT-5.6 Terra Ultra16:51.4 wall-clockWall-clock

Benchmark

High-voxel-density Jungle Temple diorama

1 run · Ultra reasoning

01GPT-5.6 Terra Ultra16:43.2 wall-clockWall-clock

Benchmark

High-voxel-density Oasis Outpost diorama

1 run · Ultra reasoning

01GPT-5.6 Terra Ultra28:14.2 wall-clockWall-clock

Benchmark

High-voxel-density Shrine Village diorama

1 run · Ultra reasoning

01GPT-5.6 Terra Ultra19:30.7 wall-clockWall-clock

Benchmark

Infinite cathedral corridor shader

1 run · Ultra reasoning

01GPT-5.6 Terra Ultra20:39.8 wall-clockWall-clock

Benchmark

Interactive Three.js voxel map viewer

1 run · Ultra reasoning

01GPT-5.6 Terra Ultra24:51.5 wall-clockWall-clock

Benchmark

Neo-gothic storm city shader

1 run · Ultra reasoning

01GPT-5.6 Terra Ultra16:35.1 wall-clockWall-clock