# IFBench — AI model rankings

Tests whether the AI can follow detailed instructions and satisfy multiple constraints at once. Higher is better.

1 tracked model have a published IFBench score. Higher is better. Scores are as published at each model's release.

## Ranking

| Rank | Model | Developer | Score | Released |
| --- | --- | --- | --- | --- |
| 1 | Qwen3.8-27B | Qwen | 79.5% | Aug 14 2026 |


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Canonical page: https://aireleasetracker.com/benchmark/ifbench
Full dataset: https://aireleasetracker.com/llms-full.txt · JSON: https://aireleasetracker.com/models.json
Source: AI Release Tracker (https://aireleasetracker.com). Benchmark scores are the figures published by the releasing lab at launch.