Press Space to continue
Chinese open-source models have achieved superior
Press Space to continue
Open source models from Chinese labs are dominating almost the entire performance-cost frontier in code arena. Anthropic is holding the fort at the #1 performance level, above $20/1M tokens. The pace of model development at Chinese labs is accelerating. Will they take #1 too?
lmarena.ai@arenaAug 26
Big news: GLM-5.3-Flash by @Zai_org has landed around #5 in the Code Arena: WebDev (#2 among open models) scoring 1634 (AutoEval). Priced at $0.15/$0.5 Mtoken, it reshapes the Pareto Frontier! For comparison, GLM-5.3-Max currently ranks #8. GLM-5.3-Flash has 320B parameters with 18B active vs. Max variant’s 753B with 40B active. Note: this is an early AutoEval score, in which a Reward Model trained on Arena's human preference data casts automatic votes in place of live votes. We’ll continue to see how scores converge as more live human votes come in. See thread for more info on the methodology behind AutoEval. Congrats to the @Zai_org team on the strong launch!