MTAC-IFBench - CSR (Claude Code): leaderboard

Metric: Constraint Success Rate (%, average over turn buckets). Source: arxiv.org. 11 models tracked.

Top models

#ModelScore
1GLM-5.280.4
2Claude Opus 4.678.6
3GLM-5.176.5
4DeepSeek V4 Pro74.7
5Kimi K2.673.2
6Gemini 3.1 Pro (Preview)71
7DeepSeek V4 Flash70
8Qwen 3.6 Plus68.8
9Seed 2.0 Pro66.9
10Claude Haiku 4.564.7
11Qwen 3.5 27B60.6

Interactive version: theaggregate.ai/benchmark?slug=mtac-ifbench-csr-claude-code · How It Works · Data refreshed daily, snapshot 2026-09-20.