Opus 5.5 leads, Sol falls short of Astra but costs less, reviewer says

Haider. @haider1Originally posted 2026.09.23

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opus 5.5 vs. gpt-6 sol in terms of SOTA, opus 5.5 is the current leader. even with 25% cheaper tokens, its cost per task is still higher than fable on some benchmarks luna got better while becoming basically free. sol isn't better than astra, nor was it supposed to be, but it's