PARSA-Bench - Code-Switching Detection: leaderboard

Metric: Macro-F1 (0-1 times 100) over the union of gold and predicted labels on 500 utterances, with or without Persian-English code-switching; zero-shot audio input, temperature 0, items with no extractable answer (including refusals) excluded; proprietary models on 100 items; higher is better. Source: arxiv.org. Saturation forecast: Estimated already saturated. 8 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 2.5 Flash92#237
2Qwen2.5-Omni-7B82#601
3Gemma 3n E4B51#856
4Gemma 3n E2B37#1137

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=parsa-bench-code-switching-detection · How It Works · Data refreshed daily, snapshot 2026-10-11.