Claude Sonnet 4

Claude Sonnet 4 is a model from Anthropic. 15 benchmarks count toward its score, in 6 categories.

availableShows if the model has enough results for an index.
IndexOverall score. 50 is the middle.43.2 ±5.2
CoverageShare of the index weight with results.90%
SpeedOutput tokens per second.43/s
Input / 1MUS dollars per 1M input tokens.$3
Output / 1MUS dollars per 1M output tokens.$15
ContextMaximum tokens in one request.200K
EloLMArena rating and rank.1339 (#201)

50 is the middle of the board. The range shows the doubt in the index.

38,966 votes. Elo shows what people prefer. It does not change the score.

CapabilitiesScore per category. 50 is the middle.

50 is the middle
AgenticMulti-step tasks with tools.
49.2
CodingCode writing and repair.
46.6
ReasoningLogic problems and puzzles.
39.4
MultimodalTasks with images and text.
45.1
KnowledgeFacts and expert knowledge.
45.8
MultilingualTasks in many languages.
N/A
InstructionTasks with strict rules in the prompt.
N/A
MathMath problems.
39.7

Results

15 counted
BenchmarkThe test name.CategoryThe capability that the test measures.ResultThe score from the publisher.IndexThis result on the index scale.RunThe settings of the run.DateDate of the result.Published byThe source of the result.
MGSMMultilingual93.0%9 Jan 2026Vals AI
MATH 500Math90.3%42.79 Jan 2026Vals AI
MATH level 5Math84.4%40.1Epoch AI
τ²-bench RetailAgentic80.5%56.6Anthropic30 Apr 2026Sierra Research
MMLU ProKnowledge79.4%45.71 Sept 2026Vals AI
GPQA diamondKnowledge77.0%49.3Epoch AI
SWE-bench VerifiedCoding74.8%57.5Harness AI1 Sept 2026SWE-bench team
MMMU ProMultimodal72.4%45.11 Sept 2026Vals AI
GPQA DiamondKnowledge69.4%42.41 Sept 2026Vals AI
OTIS Mock AIME 2024-2025Math61.1%45.7Epoch AI
τ²-bench AirlineAgentic60.0%41.9Anthropic2 Mar 2026Sierra Research
LiveCodeBenchCoding59.7%38.61 Sept 2026Vals AI
AIMEMath38.5%31.716 Apr 2026Vals AI
SWE-bench MultimodalMultimodal34.4%OpenHands-Versa17 Nov 2025SWE-bench team
ARC-AGI-1 (semi-private)Reasoning23.8%38.5ARC Prize Foundation
IOI v1Coding6.5%43.69 Aug 2026Vals AI
FrontierMath-2025-02-28-PrivateMath4.1%34.5Epoch AI
ARC-AGI-2 (semi-private)Reasoning1.3%40.4ARC Prize Foundation
FrontierMath-Tier-4-2025-07-01-PrivateMath0.0%43.4Epoch AI

15 benchmarks count, from 17 of 19 results. A grey row does not count. Too few models took that benchmark.

Sources

BenchLM benchmark aggregationUsed with attribution; per-benchmark results credited to their original authorsOpenRouter, collected directlyNo licence statedVals AI, collected directlyNo licence stated. Read from the public leaderboard and credited to Vals AIEpoch AI, collected directlyCC BY — free to use and redistribute with attributionSierra Research, collected directlyMIT — results are in the licensed repositorySWE-bench team, collected directlyNo licence stated. The repository publishes submission records for reproducibility and transparency and asks that SWE-bench be citedARC Prize Foundation, collected directlyNo licence stated. Their terms ask for written permission before commercial use

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