AIOpus 5.5’s creative writing and the wait to test GPT-6 Sol and Luna
One user praised Opus 5.5’s personality and suggested it might be Anthropic’s best model yet for creative writing, while expressing frustration about access to GPT-6 Sol and Luna in Chat mode.
TLDR
On September 23, 2026, a user said Opus 5.5 might be Anthropic’s best model yet for creative writing, praising its personality and saying nearly everyone they knew who had tried it was praising it. They contrasted that enthusiasm with frustration that GPT-6 Sol and Luna had not yet reached Chat mode for them to properly test those qualities.
Opus 5.5’s creative writing and the wait to test GPT-6 Sol and Luna
One user praised Opus 5.5’s personality and suggested it might be Anthropic’s best model yet for creative writing, while expressing frustration about access to GPT-6 Sol and Luna in Chat mode.
TLDR
On September 23, 2026, a user said Opus 5.5 might be Anthropic’s best model yet for creative writing, praising its personality and saying nearly everyone they knew who had tried it was praising it. They contrasted that enthusiasm with frustration that GPT-6 Sol and Luna had not yet reached Chat mode for them to properly test those qualities.