structured output benchmark
IF is an Instruction-Following Evaluation (IFEval) benchmark for large language models that uses around 500 prompts with verifiable instructions.
Updated Sep 5, 2026
Higher score ranks better on this benchmark.
Rank | Model | Score | Percentile | Participants | Evidence | Evaluated |
|---|
| Rank01 | ModelMA | Score84.78% | Percentile100.00% | Participants2 | EvidenceC | Evaluated |
| Rank02 | ModelMI | Score72.00% | Percentile0.00% | Participants2 | EvidenceC | Evaluated |
The leading models and scores on this benchmark.
A closer view of the leading scores on this benchmark.
The first five results on this benchmark, with official price and output speed added where the model identity can be matched.
What IF measures and how its scores work.
IF is an Instruction-Following Evaluation (IFEval) benchmark focused on 25 types of instructions, with prompts containing one or more verifiable constraints.
IF measures Score, reported as a ratio.
Scores are shown in ratio. This benchmark is not independently verified and has an evidence level of B.
LLM Stats. Benchmark scores retain their original unit. Overall score eligibility is shown separately.
Common questions about IF.
Mistral Small 3.2 24B Instruct is currently ranked first with 84.78%.
The current leaders are Mistral Small 3.2 24B Instruct (84.78%) and MiniMax M2 (72.00%).
MiniMax M2 has the lowest matched official input price at $0.30 input / $1.2 output per 1M tokens.
The fastest matched records are MiniMax M2 (70.00 tok/s via MiniMax).
No. This benchmark measures one defined capability or task. The overall LLMBoard score uses a separate aggregation across eligible benchmark evidence.
IF measures Score, reported as a ratio.
Yes. Higher values rank better for this benchmark.
2 model results are currently shown.
No. This benchmark is shown for reference but does not contribute to the overall score.
Ranking basisThis if AI model leaderboard uses descending score in the benchmark original unit. The leaderboard ranking keeps matched price and speed data separate from benchmark evidence.
Selection summary
Mistral Small 3.2 24B Instruct currently leads IF with 84.78%. It is the top model on this specific benchmark, while the best LLM for the broader task should also be checked against other benchmarks, price, and runtime.
Use this leaderboard with the supporting benchmark results and coverage details above. A leaderboard position summarizes the selected ranking signal; it does not replace workload-specific testing.