Vals AI(@ValsAI):Opus 4.8 is the most accurate but among the most expensive at $12/task, roughly 4x GPT 5.5 which reaches 64.5% at a quarter of the cost. Open source mode, Kimi K2.6 is the most cost-efficient of the leaders, holding 58% accuracy at $2.20/task

Vals AI

@ValsAI

Public LLM Evaluation // @8vc @BloombergBeta @pearvc @a16z @HRTVentures @nextladder

Joined March 2024

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Vals AI@ValsAI

2026.07.01 20:45

Opus 4.8 is the most accurate but among the most expensive at $12/task, roughly 4x GPT 5.5 which reaches 64.5% at a quarter of the cost. Open source mode, Kimi K2.6 is the most cost-efficient of the leaders, holding 58% accuracy at $2.20/task

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