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VECTOR WIREAI INTELLIGENCE
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USAMO 2026 leaderboard — the family board.

2 TRACKED VARIANTS · 2 FIRST-CLASS BOARDS

One family, 2 tracked prints: usamo_2025 is cited standalone and keeps live board of its own. Scoring configs and splits of the base board render as sections of this page, each under its own honest label.

● LIVE DATA14 MODELS ON THIS BOARDLEADER CLAUDE MYTHOS 5 AT 99.8

First-class boards in this familyCITED STANDALONE · EACH KEEPS ITS OWN LIVE BOARD

#BoardModels scored
01USAMO 2026THIS PAGE14

The board — USAMO 2026TOP 14 OF 14 MEASURED · BEST SCORE PER MODEL, DEFAULT VARIANT

#ModelVendorScoreVLast seen
01Claude Mythos 5Anthropic99.82026-07-07
02GPT-5.5OpenAI98.22026-08-23
03Claude Opus 4.8Anthropic96.72026-07-07
04GPT-5.4OpenAI95.22026-08-23
05Claude Sonnet 5Anthropic79.52026-07-07
06Gemini 3.1 ProGoogle74.42026-08-23
07Claude Opus 4.7Anthropic69.32026-05-03
08Claude Opus 4.6Anthropic66.22026-08-23
09DeepSeek-V4-ProDeepSeek60.72026-08-23
10Claude Sonnet 4.6Anthropic552026-07-07
11Kimi K2.6Moonshot51.22026-08-23
12Step 3.5 FlashStepFun44.62026-08-23
13Qwen3.5 397B A17BAlibaba36.32026-08-23
14GLM-5Z.ai35.12026-08-23
◆ IV — INDEPENDENTLY VERIFIED · ◆ AA — AGGREGATOR · ◆ VA — VENDOR · ◇ SA — SOURCE-ATTRIBUTED
THE FAMILY BOARD · EVERY PRINT LABELED · EVERY SCORE SOURCE-ATTRIBUTED ON ITS OWN LIVE BOARDAll leaderboardsThe frontier boardModels by vendor