Name: GPT 6 Astra set a new record in MazeBench, a 3D puzzle benchmark
Uploaded: 2026-09-07T14:54:35.275Z
Description: It explored 40% of all rooms and collected 14% of gems Fable 5.1 reached just 4.3% of rooms and collected 2% of gems

Alex Getman @alexgetmancom · 7 Sep 2026, 14:54 UTC · Updated 31 Oct 2026, 20:59 UTC

Tests & comparisons

GPT 6 Astra set a new record in MazeBench, a 3D puzzle benchmark

It explored 40% of all rooms and collected 14% of gems

Fable 5.1 reached just 4.3% of rooms and collected 2% of gems

Fable 5 Anthropic OpenAI Claude GPT

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Analysis

9 NovFable scores 65 on the Intelligence Index, beating Claude Opus by 6 points. Gemini 4 Carbon has already lost its lead before even becoming publicly available. And GPT will have to try really hard to get anywhere close to that score.

Claude Fable 5 Anthropic Google OpenAI Claude Gemini GPT

28 Sep🚨 Sonnet 5.5 Max beats GPT-6 Astra Max on the Intelligence Index vs. cost curve A few other things stand out: 1. At medium, GPT-6 Sol is much cheaper than Sonnet 5.5 at a fairly similar intelligence level. 2. Around the Pareto line, GPT-6 Sol Max and Sonnet 5.5 High are…

Anthropic OpenAI Claude GPT

28 SepSonnet 5.5 Max even beats Opus 5.5 Max on Terminal-Bench, while staying close to Opus across the rest. And against GPT Sol, the price/performance gap looks pretty brutal.

Anthropic OpenAI Claude GPT

22 SepDay recap

Anthropic OpenAI Claude GPT

GPT 6 Astra set a new record in MazeBench, a 3D puzzle benchmark

Analysis

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