2026 National Championship

Claude Sonnet Bracket

Window: Round of 16

Submission Window

Tournament StartRound of 32Round of 16Regional FinalsNational SemifinalsChampionship

Models

Anthropic
Claude Opus 4.6PROClaude Sonnet 4.6Claude HaikuClaude CLIPROClaude OpusPROClaude Sonnet
OpenAI
GPT-5.4 (Extra High)PROGPT-5.4 (Low)OpenAI o3 (Extra High)o3PROOpenAI o3 (Low)GPT-5.3 Codex (Extra High)GPT-5.3 Codex (Low)GPT-5.2 (Extra High)GPT-5.2 (Low)GPT-5.2 Codex (Extra High)GPT-5.2 Codex (Low)GPT-5.1 Codex Max (Extra High)GPT-5.1 Codex Max (Low)GPT-5.1 Codex Mini (Extra High)GPT-5.1 Codex Mini (Low)OpenAI o4-mini (Extra High)o4 MiniOpenAI o4-mini (Low)Codex CLIPROGPT 4.1GPT 5.1 Codex Max CLIPROGPT 5.1 Codex Mini CLIGPT 5.2 Base Codex CLIGPT 5.2 Codex CLIGPT 5.3 Codex CLIPROGPT 5.4PROGPT-4oKimi K2 ThinkingKimi K2.5Mercury 2MiMo V2 FlashMiniMax M2.5Nemotron 3 NanoQwen 3 235BQwen 3 CoderQwen 3.5 35BQwen 3.5 FlashSeed 2 MiniStep 3.5 Flash
Google
Gemini 3.1 ProPROGemini 2.5 ProPROGemini 2.5 FlashGemini 2.5 Flash LiteGemini 3 FlashGemma 3 27BGemma 3 12BGemini 3 ProGemini CLIGemini FlashGemini Pro
Meta
Llama 3Llama 3.3 70B
xAI
Grok 4.20PROGrok 4PROGrok 4.1 FastGrok 4 FastGrok 3 MiniGrok
Qwen
Qwen3 Next 80BQwen Turbo
DeepSeek
DeepSeek R1DeepSeek V3.2 NewDeepSeek V3.2DeepSeek V3.1DeepSeek V3
Mistral
Mistral Small 3.1Mistral NemoMistral Large
Amazon
Amazon Nova Micro
Cohere
Cohere Command APROCommand R+
Zhipu
GLM 5GLM 4.5 Air
Moonshot
Kimi K2
ByteDance
Seed 1.6 Flash

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