BenchAtlas

Rankings / OpenAI

GPT 5.5 Instant

proprietary

release date unknown

BenchAtlas Index

as of 2026-09-11
Not enough benchmark coverage for a composite score (needs ≥4 families across ≥3 categories). The per-benchmark evidence below stands on its own — sparse coverage is an evidence gap, not a low score.

Benchmark evidence

30 results
external indices
ECI142.5 pointsindependentEpoch AI Benchmarking Hub
factuality
SimpleQA Verified38.0 %independentEpoch AI Benchmarking Hub
2026-08-02
human preference
Coding (style control)older version
arena=text · category=coding · style_control=true
1513.9
1506.01521.8
communityLMArena Leaderboard Dataset
Chinese (style control)older version
arena=text · category=chinese · style_control=true
1504.4
1487.91520.9
communityLMArena Leaderboard Dataset
Industry Software And It Services (style control)older version
arena=text · category=industry_software_and_it_services · style_control=true
1502.4
1495.51509.4
communityLMArena Leaderboard Dataset
Industry Life And Physical And Social Science (style control)older version
arena=text · category=industry_life_and_physical_and_social_science · style_control=true
1492.0
1482.11501.9
communityLMArena Leaderboard Dataset
Hard Prompts (style control)older version
arena=text · category=hard_prompts · style_control=true
1491.0
1485.01497.1
communityLMArena Leaderboard Dataset
Hard Prompts English (style control)older version
arena=text · category=hard_prompts_english · style_control=true
1490.5
1483.11498.0
communityLMArena Leaderboard Dataset
French (style control)older version
arena=text · category=french · style_control=true
1489.5
1468.91510.2
communityLMArena Leaderboard Dataset
Industry Medicine And Healthcare (style control)older version
arena=text · category=industry_medicine_and_healthcare · style_control=true
1487.9
1473.61502.2
communityLMArena Leaderboard Dataset
Spanish (style control)older version
arena=text · category=spanish · style_control=true
1486.6
1464.11509.2
communityLMArena Leaderboard Dataset
Polish (style control)older version
arena=text · category=polish · style_control=true
1485.4
1460.21510.7
communityLMArena Leaderboard Dataset
Exclude Ties (style control)older version
arena=text · category=exclude_ties · style_control=true
1485.0
1478.41491.5
communityLMArena Leaderboard Dataset
Multi Turn (style control)older version
arena=text · category=multi_turn · style_control=true
1482.8
1473.41492.1
communityLMArena Leaderboard Dataset
Expert (style control)older version
arena=text · category=expert · style_control=true
1478.2
1465.41490.9
communityLMArena Leaderboard Dataset
Russian (style control)older version
arena=text · category=russian · style_control=true
1477.8
1465.91489.8
communityLMArena Leaderboard Dataset
Industry Legal And Government (style control)older version
arena=text · category=industry_legal_and_government · style_control=true
1477.7
1464.01491.3
communityLMArena Leaderboard Dataset
Industry Business And Management And Financial Operations (style control)older version
arena=text · category=industry_business_and_management_and_financial_operations · style_control=true
1476.0
1467.01485.0
communityLMArena Leaderboard Dataset
Longer Query (style control)older version
arena=text · category=longer_query · style_control=true
1474.8
1467.91481.7
communityLMArena Leaderboard Dataset
Overall (style control)
arena=text · category=overall · style_control=true
1473.7
1468.61478.8
communityLMArena Leaderboard Dataset
English (style control)older version
arena=text · category=english · style_control=true
1473.6
1467.11480.2
communityLMArena Leaderboard Dataset
Non English (style control)older version
arena=text · category=non_english · style_control=true
1469.6
1463.31476.0
communityLMArena Leaderboard Dataset
Math (style control)older version
arena=text · category=math · style_control=true
1463.2
1447.21479.2
communityLMArena Leaderboard Dataset
Industry Writing And Literature And Language (style control)older version
arena=text · category=industry_writing_and_literature_and_language · style_control=true
1462.1
1453.81470.3
communityLMArena Leaderboard Dataset
Instruction Following (style control)older version
arena=text · category=instruction_following · style_control=true
1456.5
1449.31463.7
communityLMArena Leaderboard Dataset
Industry Mathematical (style control)older version
arena=text · category=industry_mathematical · style_control=true
1456.3
1440.41472.2
communityLMArena Leaderboard Dataset
Creative Writing (style control)older version
arena=text · category=creative_writing · style_control=true
1456.3
1446.31466.2
communityLMArena Leaderboard Dataset
Industry Entertainment And Sports And Media (style control)older version
arena=text · category=industry_entertainment_and_sports_and_media · style_control=true
1452.2
1443.21461.2
communityLMArena Leaderboard Dataset
knowledge science
GPQA Diamond82.5 %independentEpoch AI Benchmarking Hub
2026-08-02
reasoning math
OTIS Mock AIME 2024–202568.1 %independentEpoch AI Benchmarking Hub
2026-08-02