Learn about LLM Benchmarks
A practical guide to LLM benchmarks - covering what they measure, how scores are read, where benchmarks fall short, and which ones matter most for making smarter, evidence-based AI decisions.
Why are LLM Benchmarks Important?
They help guide your decision, but they do not provide definitive answers.
A strong score reflects performance under specific, controlled conditions. It does not guarantee the same results in your environment. Benchmarks should be used to narrow your options, then validated through real-world testing before making a final decision.
List of LLM Benchmarks
Streamlined Benchmark List: A quick reference to the benchmarks and leaderboards most commonly used to compare frontier models today.
Full Benchmark List: A broader reference across major capability areas, for when you need a deeper or more specific evaluation.
MMLU-Pro
Graduate-level knowledge across multiple disciplines, using 10 answer choices instead of 4 to reduce guesswork and better separate model performance
Active - remains a strong differentiator, with scores typically lower than standard MMLU
GPQA Diamond
Expert-level scientific reasoning across biology, physics, and chemistry, built to test frontier reasoning beyond standard knowledge recall
Active differentiator - one of the strongest benchmarks for advanced scientific reasoning
AA Quality Index
A composite intelligence score from Artificial Analysis that combines results across multiple benchmarks into a single comparative metric
Active - updated as new models and benchmarks are added
Chatbot Arena (LMSYS)
Human preference in open-ended conversations, based on blind pairwise comparisons between models
Widely referenced - reflects real user preference rather than only controlled test performance
LiveCodeBench
Code generation on newly released competitive programming tasks, designed to reduce training data contamination
Active - regularly refreshed, making it one of the most current coding benchmarks available
AIME 2025
Advanced mathematical reasoning through olympiad-style problems that require multi-step problem solving
Active and highly challenging - few frontier models perform strongly here
SWE-bench Verified
Real-world software engineering through verified GitHub issue resolution across full codebases
Gold standard for coding - evaluates practical engineering ability beyond isolated code generation
MMLU
Broad knowledge across 57 academic subjects, including STEM, humanities, and professional disciplines
Saturated
MMLU-Pro
A more difficult version of MMLU with 10 answer choices that reduce guesswork and better separate model performance
Active
GPQA Diamond
Expert-level scientific reasoning across biology, physics, and chemistry
Active
ARC-AGI 2
Abstract pattern recognition and reasoning from first principles rather than memorized knowledge
Active
Humanity's Last Exam
Extremely difficult expert-written questions across a wide range of academic domains
Active
GSM8K
Basic multi-step math word problems at grade-school level
Saturated
MATH
Competition-level mathematics that requires structured reasoning and free-form answers
Active
AIME 2025
Olympiad-level mathematical problem solving with deep multi-step reasoning
Active
HumanEval
Python function generation from natural language prompts, scored through unit-test correctness
Saturated
HumanEval+
A stricter extension of HumanEval with stronger test coverage and more edge cases
Active
LiveCodeBench
Code generation on fresh competitive programming problems updated regularly to reduce contamination risk
Active
SWE-bench Verified
Real software engineering through verified issue resolution across full codebases
Gold standard
SWE-bench Pro
Repository-level software engineering evaluation with broader language support
Emerging
IFEval
How accurately a model follows specific, verifiable instructions with constrained output requirements
Active
BFCL v4
Tool use and function calling across serial, parallel, multi-turn, and agentic workflows
Widely used
RULER
Long-context retrieval, tracking, and synthesis across extended documents
Active
MMMU Pro
Multimodal reasoning across academic subjects using both text and visual inputs
Active
TruthfulQA
Factual reliability and resistance to common misconceptions and hallucination-prone prompts
Contaminated
HELM
Multi-dimensional evaluation across accuracy, calibration, robustness, fairness, bias, and efficiency
Framework
Chatbot Arena (LMSYS)
Human preference in open-ended conversations through blind side-by-side model comparisons
Widely used
Active = still useful for separating model performance today
Saturated = top models score too closely for strong differentiation
Emerging = newer benchmark with growing adoption
Gold standard = strongest reference point in its category
Widely used = commonly referenced in practice
Contaminated = results may be less reliable due to training overlap
Framework = better for broad evaluation than direct ranking
Frontier Model Benchmark Snapshot (May 2026)
A directional comparison of leading models across publicly reported benchmarks. Blank cells indicate that a directly comparable public value was not confirmed in the source set used here.
GPT-5.4
92%
-
73.3%
39.8% no tools 52.1% with tools
GPT-5.3-Codex
83.7%
-
-
-
GPT-5.2
71.2%
72.8%
52.9%
34.5% no tools 45.5% with tools
Claude Opus 4.6
84.0%
75.6%
68.8%
40.0% no tools 53.0% with tools
Claude Sonnet 4.6
79.9%
-
58.3%
33.2% no tools 49.0% with tools
Claude Opus 4.5
86.6%
76.8%
-
-
Claude Sonnet 4.5
83.4%
71.4%
-
-
Claude Haiku 4.5
64.6%
66.6%
-
-
Gemini 3.1 Pro (Preview)
94.1%
80.6%
77.1%
44.4% no tools 51.4% with tools
Gemini 3 Flash
89.8%
75.8%
-
33.7%
Benchmarks by Use Case
Different tasks require different evaluation signals. This table highlights the benchmarks that are most relevant for common LLM use cases, so you can focus on the scores that best match the task at hand.
General Knowledge and Q&A
MMLU-Pro, Chatbot Arena (LMSYS)
MMLU
Code Generation
SWE-bench Verified, LiveCodeBench, SWE-bench Pro
HumanEval+, BFCL v4
Mathematical Reasoning
AIME 2025, MATH
GSM8K
Scientific Reasoning
GPQA Diamond
Humanity's Last Exam
Creative Writing
Chatbot Arena Creative Writing
-
Instruction Following
IFEval
Chatbot Arena (LMSYS)
Tool Use and Function Calling
BFCL v4
-
Long-Context Understanding
RULER, Needle-in-a-Haystack
LongGenBench
Multimodal and Vision
MMMU Pro, Arena Vision
MMMU
Multilingual Tasks
MMMLU
MLNeedle
Agentic Workflows
SWE-bench, BFCL v4
WebArena, OSWorld
Safety and Factual Reliability
HalluLens, SimpleQA
-
Last updated

