Blog Backdoor Ifeval

Fresh

Blog-grounded Backdoor IFEval reward-hacking environment with hidden silver reward.

Type: RL Env
Tags: Reward Hacking Backdoor Ifeval
License: unknown
Size: v0.1.0
Published: May 2026
Updated: May 2026
Canonical: app.primeintellect.ai/dashboard/environments/summer-winter-98379/blog-backdoor-ifeval

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Attribution

README: api.primeintellect.ai/api/v1/environmentshub/summer-winter-98379/blog-backdoor-ifeval/@0.1.0/inspect

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Evals this tool implements

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

Contributors

summer-winter-98379