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| Pricing | Free | Free |
| Capabilities | 9 decomposed | 13 decomposed |
| Times Matched | 0 | 0 |
Evaluates LLM responses against real-world user queries using GPT-4 as an automated judge, scoring outputs across three independent dimensions: helpfulness (task completion quality), safety (absence of harmful content), and instruction-following (adherence to user intent). The evaluation framework sends both the original query and model response to GPT-4 with structured prompts designed to elicit numerical scores (typically 1-10 scale) for each dimension, enabling comparative ranking of different LLMs on identical tasks.
Unique: Uses GPT-4 as a multi-dimensional judge scoring helpfulness, safety, AND instruction-following simultaneously on real-world queries collected from actual chatbot platforms (not synthetic), rather than single-metric evaluation or human-only assessment. The benchmark specifically targets 'wild' (challenging, diverse) user queries that expose model weaknesses, not curated easy tasks.
vs alternatives: More comprehensive than MMLU or GSM8K (which test narrow knowledge/math) because it evaluates real-world task completion with safety guardrails; faster than human evaluation but more expensive than rule-based metrics; more aligned with actual user experience than synthetic benchmarks
Provides a curated dataset of 1,024 complex user queries collected directly from chatbot platforms and user interactions, representing genuine real-world use cases rather than synthetic or academic tasks. Queries span diverse domains (writing, coding, analysis, creative tasks, etc.) and difficulty levels, enabling evaluation of LLMs on authentic user intents that expose model limitations in instruction-following, reasoning, and safety.
Unique: Queries sourced from actual chatbot platforms (not crowdsourced annotations or synthetic generation), capturing genuine user intent and complexity patterns that emerge in production deployments. Focuses on 'wild' (challenging, diverse) queries that expose model weaknesses, rather than curated easy tasks or academic benchmarks.
vs alternatives: More representative of real-world chatbot usage than MMLU, GSM8K, or HumanEval because it includes authentic user queries with natural ambiguity and complexity; smaller than web-scale datasets but more carefully curated for evaluation relevance than random web text
Aggregates evaluation scores across the 1,024 query dataset to produce ranked leaderboards comparing multiple LLMs on helpfulness, safety, and instruction-following metrics. The ranking system computes mean/median scores per model, applies optional statistical significance testing, and generates visualizations (tables, charts) showing relative performance. Leaderboard updates as new model evaluations are submitted, enabling continuous benchmarking of emerging models.
Unique: Generates live, continuously-updated leaderboards as new model evaluations are submitted, rather than static benchmark reports. Ranks models across three independent dimensions (helpfulness, safety, instruction-following) simultaneously, enabling nuanced comparison of models with different strength profiles.
vs alternatives: More dynamic than MMLU or GSM8K leaderboards because it updates in real-time as new models are evaluated; more comprehensive than single-metric rankings because it shows safety and instruction-following alongside helpfulness, revealing trade-offs between dimensions
Supports evaluation of LLM outputs from multiple sources and providers (OpenAI, Anthropic, open-source models via Hugging Face, local models, etc.) within a unified evaluation framework. The system accepts model responses in standardized formats (text, JSON, or API responses) and routes them through the same GPT-4 judge pipeline, enabling fair comparison across different model families, sizes, and deployment modalities without requiring custom integration code.
Unique: Provides a unified evaluation pipeline that abstracts away provider-specific API differences, allowing fair comparison of models from OpenAI, Anthropic, open-source, and local sources without custom integration code. Uses a single GPT-4 judge for all evaluations, ensuring consistent evaluation criteria across all models.
vs alternatives: More flexible than provider-specific benchmarks (e.g., OpenAI's evals, Anthropic's Constitutional AI) because it supports any model; more practical than building custom evaluation infrastructure because it provides pre-built judge prompts and leaderboard infrastructure
Evaluates LLM responses for safety (absence of harmful, illegal, unethical, or biased content) and instruction-following (adherence to user intent, constraints, and format requirements) as independent scoring dimensions. The GPT-4 judge uses specialized prompts to assess whether responses violate safety guidelines, refuse harmful requests appropriately, and follow explicit user instructions (e.g., 'respond in JSON format', 'do not mention X'). Scores are aggregated per model to identify safety/compliance strengths and weaknesses.
Unique: Separates safety and instruction-following into independent scoring dimensions, revealing models that may be safe but non-compliant (or vice versa). Uses GPT-4 to evaluate nuanced safety concepts (appropriate refusal of harmful requests, absence of bias, ethical reasoning) rather than simple keyword filtering or rule-based detection.
vs alternatives: More comprehensive than rule-based safety filters because it evaluates contextual safety and appropriate refusal; more practical than human safety review because it scales to 1,024 queries; more aligned with real-world safety concerns than synthetic adversarial benchmarks
Supports batch evaluation of multiple LLMs on the 1,024-query dataset with intelligent caching to avoid redundant GPT-4 judge calls. If the same query-response pair has been evaluated before, the cached score is reused rather than re-querying GPT-4, reducing API costs and latency. Batch jobs can be submitted asynchronously and tracked via job IDs, enabling evaluation of many models without blocking the user interface.
Unique: Implements intelligent result caching to avoid redundant GPT-4 judge calls for identical query-response pairs, significantly reducing evaluation costs when benchmarking multiple model variants on the same dataset. Supports asynchronous batch job submission and tracking, enabling large-scale evaluation campaigns without blocking the UI.
vs alternatives: More cost-effective than naive per-model evaluation because caching eliminates redundant judge calls; more scalable than synchronous evaluation because batch jobs run asynchronously; more practical than manual evaluation tracking because job IDs enable result retrieval without polling
Optionally extracts detailed reasoning and explanations from the GPT-4 judge for each evaluation, providing transparency into why a response received a particular score. The judge can be prompted to explain its scoring rationale (e.g., 'This response is helpful because it addresses all three parts of the user's question, but loses points for being overly verbose'). Explanations are stored alongside scores and can be displayed in the leaderboard or exported for analysis.
Unique: Extracts detailed reasoning from the GPT-4 judge alongside numerical scores, providing transparency into evaluation decisions. Enables model developers to understand not just that a response scored poorly, but WHY, facilitating targeted improvements.
vs alternatives: More interpretable than black-box scoring because it includes judge reasoning; more actionable than human evaluation because explanations are consistent and scalable; more detailed than simple score distributions because it reveals judge logic and potential biases
Allows users to customize the GPT-4 judge prompts to align with domain-specific evaluation criteria or organizational preferences. Users can modify scoring rubrics, add custom evaluation dimensions (e.g., 'creativity', 'conciseness'), adjust the scoring scale, or provide domain-specific context to the judge. Custom prompts are applied consistently across all model evaluations, enabling evaluation tailored to specific use cases.
Unique: Enables users to customize GPT-4 judge prompts for domain-specific evaluation criteria, rather than forcing all evaluations to use fixed helpfulness/safety/instruction-following dimensions. Supports experimentation with different evaluation rubrics and alignment with organizational values.
vs alternatives: More flexible than fixed-criteria benchmarks because it allows domain-specific customization; more practical than building custom evaluation infrastructure because it reuses the WildBench query dataset and judge infrastructure; more transparent than black-box evaluation because users control the evaluation criteria
+1 more capabilities
Provides a standardized evaluation framework for code generation models that accepts generated code in 17 programming languages (C, C++, C#, Java, Kotlin, Go, Rust, Python, Ruby, PHP, JavaScript, Perl, Haskell, OCaml, Scala, D, Pascal) and validates correctness through actual execution against unit tests via the ExecEval Docker-based execution engine. Uses a centralized problem definition model with src_uid foreign keys linking generated code to shared problem descriptions and unittest_db.json, enabling consistent evaluation across language variants of the same problem.
Unique: Combines 25M training examples across 7,500 unique problems with an execution-based evaluation pipeline (ExecEval) that actually runs generated code in Docker containers against unit tests, rather than relying on static analysis or string matching. The src_uid linking system creates a normalized data model where problem descriptions and tests are stored once and referenced by all language variants, eliminating duplication and ensuring consistency.
vs alternatives: Larger scale (25M examples vs typical 10-100K) and true execution-based validation across more languages (17 vs 4-6) than HumanEval or CodeXGLUE, with explicit support for code translation and repair tasks beyond generation.
Implements a foreign key linking system where all task-specific datasets (program synthesis, code translation, APR, retrieval) reference shared problem definitions via src_uid identifiers. Problem descriptions and unit tests are stored once in centralized problem_descriptions.jsonl and unittest_db.json files, then linked by src_uid to avoid duplication. The Hugging Face datasets API automatically resolves these links during data loading, returning enriched DatasetDict objects with problem context pre-joined to task examples.
Unique: Uses a normalized relational data model (src_uid as foreign key) for a code benchmark, treating problem definitions as a separate entity layer rather than embedding them in each task dataset. This is more sophisticated than typical flat-file benchmark structures and enables consistent multi-task evaluation on identical problems.
xCodeEval scores higher at 67/100 vs WildBench at 62/100.
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vs alternatives: More efficient than duplicating problem descriptions across 7 task datasets (reduces storage by ~30-40%), and enables automatic link resolution via Hugging Face API unlike manual CSV joins in CodeXGLUE or HumanEval variants.
Provides a Python API for loading xCodeEval datasets from Hugging Face Hub (NTU-NLP-sg/xCodeEval) with automatic src_uid-based linking between task datasets and shared problem definitions. The datasets library handles data downloading, caching, and streaming, while the xCodeEval integration automatically joins task examples with problem_descriptions.jsonl and unittest_db.json using src_uid foreign keys. Returns DatasetDict objects with enriched examples ready for model training or evaluation.
Unique: Integrates xCodeEval with Hugging Face datasets library, providing automatic src_uid resolution and streaming support. Treats data loading as a first-class concern with built-in linking logic, rather than requiring manual JSON parsing.
vs alternatives: More convenient than manual Git LFS downloads because it handles caching and automatic linking, and integrates seamlessly with Hugging Face training pipelines vs custom data loaders.
Provides an alternative data access method using Git LFS for users who prefer direct file access or need selective dataset downloads. Supports cloning the repository with LFS disabled, then pulling specific task files or problem definitions on demand. Useful for custom processing pipelines or environments where Python/Hugging Face is not available, though requires manual src_uid linking to join task examples with problem definitions.
Unique: Provides Git LFS-based alternative to Hugging Face API, enabling direct file access and selective downloads. Requires manual src_uid linking but offers more control over data access patterns.
vs alternatives: More flexible than Hugging Face API for selective downloads and custom pipelines, but requires more manual work for src_uid linking and lacks automatic caching/streaming.
Implements a standardized three-phase evaluation pipeline (Phase 1: Generation, Phase 2: Execution, Phase 3: Metrics) that applies consistently across all 7 tasks (program synthesis, code translation, APR, tag classification, code compilation, NL-code retrieval, code-code retrieval). Phase 1 generates or retrieves code, Phase 2 executes it via ExecEval or computes retrieval metrics, and Phase 3 aggregates results into pass@k, MRR, NDCG, or other task-specific metrics. Enables direct comparison of model performance across tasks.
Unique: Defines a unified three-phase evaluation pipeline that applies to all 7 tasks, treating generation, execution, and metric computation as separate concerns. Enables consistent evaluation methodology across diverse task types (generation, translation, retrieval, classification).
vs alternatives: More comprehensive than task-specific evaluation scripts because it provides a unified framework for all 7 tasks, and enables direct comparison of model performance across different task types.
Evaluates code generation models on the program synthesis task by accepting natural language problem descriptions and generating code solutions in any of 17 languages. The evaluation pipeline (Phase 1: Generation, Phase 2: Execution, Phase 3: Metrics) runs generated code against unit tests via ExecEval, computing pass@k metrics (pass@1, pass@10, etc.) that measure the probability of finding a correct solution within k samples. Supports both single-solution and multi-sample evaluation modes for assessing model reliability.
Unique: Implements a three-phase evaluation pipeline (Generation → Execution → Metrics) with explicit pass@k computation that measures the probability of finding a correct solution within k attempts, rather than just binary pass/fail. Supports multi-sample evaluation across 17 languages with language-specific compiler configurations and timeout handling.
vs alternatives: More rigorous than HumanEval's simple pass@k because it handles language-specific compilation errors and timeouts explicitly, and scales to 25M training examples vs HumanEval's 164 problems.
Evaluates code translation models by accepting source code in one language and generated translations in a target language, then validating functional equivalence through execution against shared unit tests. The translation evaluation pipeline compiles and executes both source and translated code against the same unittest_db.json test cases, comparing outputs to detect translation errors. Supports all 17 language pairs (though not all pairs may have training data) and uses language-specific compiler mappings to handle syntax differences.
Unique: Validates code translation by executing both source and target code against identical unit tests and comparing outputs, ensuring functional equivalence rather than syntactic similarity. Uses language-specific compiler mappings to handle the complexity of 17 different compilation environments and their idiosyncrasies.
vs alternatives: More rigorous than BLEU-score-based translation metrics because it validates actual functional correctness through execution, and covers more language pairs (17 vs typical 2-4) with explicit compiler integration.
Evaluates program repair models by providing buggy code snippets and expecting corrected versions that pass unit tests. The APR evaluation pipeline executes repaired code against unittest_db.json test cases, measuring whether the repair successfully fixes the bug without introducing new failures. Supports repairs across all 17 languages and uses the same execution-based validation as program synthesis, enabling direct comparison of repair quality.
Unique: Treats program repair as an executable task where success is measured by unit test passage, rather than syntactic similarity to reference repairs. Integrates with the same ExecEval pipeline as program synthesis, enabling direct performance comparison between generation and repair models.
vs alternatives: More comprehensive than traditional APR benchmarks (Defects4J, QuixBugs) because it covers 17 languages and 7,500 problems vs 395 Java bugs, and uses consistent execution-based metrics across all repair types.
+5 more capabilities