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Allenai Ifeval (Prime Intellect)

IFEval single-turn environment using AllenAI RLVR-IFeval

Type
RL Env
Publisher
Prime Intellect
Tags
IfevalConstraints
Runtime
single-turn
License
unknown
Size
v0.1.0
Published
Oct 2025
Updated
Oct 2025
Canonical
app.primeintellect.ai/dashboard/environments/primeintellect/allenai-ifeval

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Attribution

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Evals this tool implements

2

Same problem set, this tool's harness. Run it to score a model on the test.

IFEval

Google DeepMind

500 prompts with verifiable instruction-following constraints (word counts, casing, JSON format) checked by deterministic rules - no LLM judge needed.

ActiveInstruction Following

IFEval: Instruction-Following Evaluation

Google (Alphabet Inc.)

Evaluates how well language models can strictly follow detailed instructions, such as writing responses with specific word counts or including required keywords.

ActiveReasoning