Opus 5.5 vs GPT-6 Astra vs Sonnet 5.5 vs GPT-6.1 Sol
No aggregate score. Each round keeps its own ledger outcome.
Games · Graphics · CAD/3D · Interactive worlds · Robot simulation20 tests · 86 recorded runsGeneral Library · no campaign package
Experiments
6 published experiments, 275 recorded runs across games, graphics, CAD and robot simulation. Newest first.
Qwen 3.8 Flash vs DeepSeek V4.1 Flash vs GLM 5.3 Flash vs Gemini 3.8 Flash
There was no universal winner. Flash-model performance was brutally task-specific.
Games · Graphics · CAD/3D · Robot simulation14 tests · 54 recorded runsGeneral Library · no campaign package
Claude Opus 5 across nine game-building tests
Opus 5 delivered the strongest detail in several rounds. It also made the efficiency argument against itself.
Games · Interactive worlds9 tests · 32 recorded runsFull reproduction path
I Gave Qwen3.8 Max, Kimi K3, GPT-5.6 and Fable 5 the Same 9 Game Tests
Kimi K3 was more consistent; Qwen's visual-agent workflow was not reliable enough to win overall.
Games · Interactive worlds9 tests · 42 recorded runsNot released
Kimi K3 vs GPT-5.6 SOL vs Claude Fable 5: 9 Game Tests
Fable 5 sets the visual ceiling. Kimi K3 wins on value. GPT-5.6 Sol Ultra is the practical middle when technical coherence matters without paying Fable’s full cost.
Games · Interactive worlds9 tests · 33 recorded runsProject + prompt available
GPT-5.6 vs Claude Fable 5: Same Prompts, 7 AI Game-Dev Tests
Fable sets the visual ceiling. Sol Ultra wins the value argument.
Games · Interactive worlds7 tests · 28 recorded runsPrompt only
Each listed result is one recorded attempt. Reliability is not established. Costs retain the estimate type and caveats recorded in the corresponding ledger.