What is the current top score on IFBench?

The top reported score is 80.5% by Qwen3.7 Max, across 324 models reporting (65 from frontier labs).

How can a model improve its IFBench score?

Tools linked to IFBench on Sophon include Ifbench RL Env (Community), Ifbench RL Env (Prime Intellect), Ifbench RL Env (Community) - RL environments, datasets, and scaffolds that target this eval.

IFBench

Frontier

Instruction-following benchmark measuring adherence to multi-step constraints.

Open

Publisher: Allen Institute for AI
Published: Jun 2025
Canonical: github.com/allenai/IFBench

Cite

Notes

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Attribution

Leaderboard scores: AA

Attribution policy →

Top score 80.5% by Qwen3.7 Max - 324 models reporting (65 frontier)

Score history

324

Top models

324

IFBenchBar chart with 21 bars. Highest value: Qwen3.7 Max at 80.5.

21 models

Related tools

View all

Implementations, trainers, datasets and scaffolds linked to this eval.

Ifbench RL Env (Community)

IFBench evaluation environment

ImplementationRL EnvIfbench

Ifbench RL Env (Prime Intellect)

Prime Intellect

IFBench evaluation environment

ImplementationRL EnvIfbench

Ifbench RL Env (Community)

IFBench evaluation environment for precise instruction following with verifiable constraints

ImplementationRL EnvInstruction FollowingVerificationConstraints

FAQ

What is IFBench?: Instruction-following benchmark measuring adherence to multi-step constraints.
What is the current top score on IFBench?: The top reported score is 80.5% by Qwen3.7 Max, across 324 models reporting (65 from frontier labs).
How can a model improve its IFBench score?: Tools linked to IFBench on Sophon include Ifbench RL Env (Community), Ifbench RL Env (Prime Intellect), Ifbench RL Env (Community) - RL environments, datasets, and scaffolds that target this eval.