Benchmark Almanac

Frontier3DBench

GPT-6.1 Sol 66.0 leads since November 2026
Not in model cards

Agents create editable Blender objects and scenes or executable Unreal Engine worlds across 145 tasks and nine task families. Model judgments and native project checks assess appearance, geometry, requirements, and interactions. The overall score weights object, scene, and world scores by 30%, 30%, and 40%.

Agents run through the harness named for each model at the published reasoning effort. GPT-6 Astra judges visual evidence with model identity hidden. Task assets retain individual licenses. The site publishes cost comparisons only as a raster chart and in its paper.

Released
November 2026
Kind
Spatial reasoning and counting
Level
Expert
Scored
Graded by a model
Answers
Agent task
Tasks
All public
Strongest model tested
GPT-6 Astra #3 on the capability index
Last model added
November 2026
Scores refreshed
November 12th, 2026
11
Models scored on its own leaderboard

GPT-6.1 Sol leads with 66.0

Best score per model from the benchmark's own leaderboard, read on November 12th, 2026. Where a model ran with several settings or harnesses, we keep its best.

  1. 1 GPT-6.1 Sol max 66.0
  2. 2 GPT-6 Astra max 63.9
  3. 3 Claude Opus 5.5 max 62.3
  4. 4 DeepSeek V4.1 Flash max 57.5
  5. 5 Kimi K3.1 Pro max 56.0
  6. 6 MiniMax-M3.1-Flash max 52.5
  7. 7 Kimi K3 max 49.2
  8. 8 GPT-6 Luna max 48.6
  9. 9 GLM-5.3-Flash max 47.6
  10. 10 Qwen 3.8 Max xhigh 46.0
  11. 11 Doubao Seed Evolving Nov 2026, max 42.9

Source: Official Frontier3DBench leaderboard

#ModelScoreSettingDateSource
1 GPT-6.1 Sol 66.0 max, Codex Sep 2026 Official leaderboard
2 GPT-6 Astra 63.9 max, Codex Sep 2026 Official leaderboard
3 Claude Opus 5.5 62.3 max, Claude Code Sep 2026 Official leaderboard
4 DeepSeek V4.1 Flash 57.5 max, DSH Sep 2026 Official leaderboard
5 Kimi K3.1 Pro 56.0 max, Kimi CLI Oct 2026 Official leaderboard
6 MiniMax-M3.1-Flash 52.5 max, Claude Code Oct 2026 Official leaderboard
7 Kimi K3 49.2 max, Kimi CLI Jul 2026 Official leaderboard
8 GPT-6 Luna 48.6 max, Codex Sep 2026 Official leaderboard
9 GLM-5.3-Flash 47.6 max, ZCode Aug 2026 Official leaderboard
10 Qwen 3.8 Max 46.0 xhigh, Claude Code Aug 2026 Official leaderboard
11 Doubao Seed Evolving Nov 2026 42.9 max, Claude Code Nov 2026 Official leaderboard

Number one over time

Lab claims count from the day the card came out, independent runs from the model’s release.

OpenAI
Own leaderboard 1 leader

Source: Official Frontier3DBench leaderboard

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

On the benchmark’s own leaderboard
40.0 50.0 60.0 70.0 2027 40.0 50.0 60.0 70.0 2027

Source: Official Frontier3DBench leaderboard

No lab model card reports it yet

We read the headline results of 522 launch posts from 52 labs, and none of them list this benchmark.

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