- Will any AI model reach 1575 Math Arena Score by December 31, 2026?19¢19%
- Will any AI model reach 1600 Math Arena Score by December 31, 2026?7¢7%
Recent releases of OpenAI's GPT-6 series and Anthropic's Claude Opus 5 models have driven top MathArena scores into the low-to-mid 80s as of late October 2026, with GPT-6.1 Sol leading at roughly 84% expected performance across recent competitions. These gains stem from improved chain-of-thought reasoning and tool use on uncontaminated problems from sources like AIME, HMMT, and FrontierMath. Trader sentiment reflects the tight race between OpenAI and Anthropic labs, limited remaining calendar time before December 31, and the difficulty of rapid further gains on saturated or harder tiers. New model updates or scaling announcements in November could still shift implied probabilities for ambitious score thresholds.
Rules
This market will resolve to "Yes" if any model on the Arena.AI Leaderboard (arena.ai/leaderboard/text) reaches at least the specified Arena Score on the "Leaderboard" tab for "Math" by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No". Results from the "Score" column under the "Text Arena | Math" Leaderboard tab at https://arena.ai/leaderboard/text/math-no-style-control with style control off will be used to resolve this market. The resolution source for this market is the Chatbot Arena LLM Leaderboard found at arena.ai/leaderboard/text. If this resolution source is unavailable at check time, this market will remain open until the leaderboard comes back online and will resolve based on the first check after it becomes available. If permanently unavailable, this market will resolve to "No".