benchgap
Anthropic · model

Claude Haiku 5.5 benchmark scores

As of 2026-10-07, Claude Haiku 5.5 (Anthropic) has measured scores on 13 benchmarks and estimated scores on 65 more.

BenchmarkScoreSource
AA-GPQA Diamond91.4%estimated ± 2.7 pp, high confidence
AA-HLE44.4%measured
AA-SciCode55.0%measured
Artificial Analysis Intelligence Index43.4%measured
CritPt18.9%measured
GDPval-AA41.8%estimated ± 6.9 pp, medium confidence
GPQA Diamond93.9%estimated ± 1.9 pp, high confidence
HLE54.8%estimated ± 5.7 pp, medium confidence
AA-LCR82.7%measured
LiveCodeBench v695.9%estimated ± 3.3 pp, medium confidence
AA-Omniscience Accuracy46.1%estimated ± 6.9 pp, medium confidence
SciCode54.5%estimated ± 3.2 pp, high confidence
Terminal-Bench 2.188.4%estimated ± 3.9 pp, high confidence
BrowseComp84.6%estimated ± 7.6 pp, medium confidence
HLE w/ tools57.4%measured
LongBench v261.5%estimated ± 5.9 pp, low confidence
AA Coding Index75.2%estimated ± 3.3 pp, high confidence
BioMysteryBench (human-difficult)47.8%estimated ± 6.8 pp, low confidence
SWE-bench Verified88.4%estimated ± 0.8 pp, medium confidence
AutomationBench44.0%estimated ± 7.6 pp, low confidence
CyberGym80.1%estimated ± 2.4 pp, medium confidence
JobBench0.7%estimated ± 9.1 pp, low confidence
SWE-bench Pro67.0%estimated ± 6.8 pp, medium confidence
WideResearch82.8%estimated ± 3.4 pp, low confidence
AA Agentic Index37.1%estimated ± 6.7 pp, medium confidence
MMLU-Pro85.8%estimated ± 2.5 pp, low confidence
GPQA93.6%estimated ± 2.1 pp, high confidence
AA-AnalystAgent51.5%estimated ± 2.5 pp, medium confidence
AA EnterpriseOps-Gym45.8%estimated ± 4.4 pp, high confidence
AA Harvey LAB89.9%measured
ARC-AGI-195.5%estimated ± 3.7 pp, high confidence
ARC-AGI-278.0%estimated ± 13.0 pp, low confidence
CursorBench 3.156.3%estimated ± 3.4 pp, medium confidence
CursorBench 3.263.4%estimated ± 1.6 pp, medium confidence
FrontierCode 1.1 Main46.4%measured
FrontierSWE v227.1%estimated ± 14.6 pp, low confidence
Vals GPQA Diamond91.5%estimated ± 3.0 pp, high confidence
Vals LiveCodeBench87.1%estimated ± 1.9 pp, high confidence
Vals MMLU-Pro89.1%estimated ± 1.9 pp, high confidence
Vals SWE-bench86.6%estimated ± 2.8 pp, high confidence
Terminal-Bench 2.1 (Vals AI)77.4%estimated ± 4.6 pp, medium confidence
AA AutomationBench35.4%measured
GDP.pdf20.8%measured
AA ITBench49.6%estimated ± 3.4 pp, medium confidence
AA Tau3 Banking34.8%estimated ± 7.1 pp, medium confidence
AA Terminal-Bench 2.186.6%estimated ± 2.6 pp, high confidence
AA Terminal-Bench 4.032.8%measured
CursorBench 4.039.0%estimated ± 3.5 pp, high confidence
CWE-bench v139.6%estimated ± 6.0 pp, medium confidence
DeepSWE69.3%estimated ± 3.4 pp, medium confidence
HLE w/o tools45.9%measured
OSWorld 2.036.8%estimated ± 13.3 pp, low confidence
PostTrainBench v1.132.6%estimated ± 5.9 pp, low confidence
Terminal-Bench 4.039.2%measured
Terminal-Bench-Science 0.113.4%estimated ± 4.1 pp, low confidence
Toolathlon-Verified76.6%estimated ± 2.2 pp, medium confidence
Vibe Code Bench75.2%estimated ± 5.6 pp, low confidence
ExploitGym16.4%estimated ± 5.0 pp, low confidence
C-Eval96.0%estimated ± 1.0 pp, low confidence
MCP Atlas80.2%estimated ± 2.7 pp, medium confidence
MMLU-Redux95.2%estimated ± 2.1 pp, low confidence
NL2Repo57.8%estimated ± 6.5 pp, medium confidence
SuperGPQA91.4%estimated ± 10.4 pp, low confidence
HealthBench Hard34.2%estimated ± 7.7 pp, low confidence
MedXpertQA (Text)63.2%estimated ± 8.9 pp, low confidence
MMLU-Pro (Arcee)100.0%estimated ± 4.0 pp, low confidence
React Native Evals78.8%estimated ± 4.7 pp, medium confidence
ARC-AGI-31.6%estimated ± 10.7 pp, low confidence
BioMysteryBench (human-solvable)88.9%estimated ± 0.6 pp, medium confidence
HealthBench (raw)53.0%estimated ± 6.4 pp, low confidence
HealthBench (length-adjusted)53.9%estimated ± 3.7 pp, medium confidence
HealthBench Professional54.5%estimated ± 4.8 pp, medium confidence
HealthBench Professional (raw)63.1%estimated ± 5.0 pp, medium confidence
HLE-Verified54.0%estimated ± 6.8 pp, low confidence
LABBench281.7%estimated ± 2.4 pp, medium confidence
Agents' Last Exam42.6%estimated ± 6.3 pp, medium confidence
OpenHarmony Bench58.8%estimated ± 2.4 pp, high confidence
MMLU100.0%estimated ± 1.9 pp, low confidence