AI Solves Math and Rewrites Its Code

Mathematics meets the frontier. OpenAI's unreleased Astra model solved 10 long-open problems in math and theoretical computer science - some unsolved for nearly 30 years - at a total cost of roughly $2,000 in API tokens. Anthropic's Fable independently reproduced five of the ten proofs. Fields Medal winner Jacob Tsimerman, who previously wrote a paper on "the ways AI might kill everyone," just took a job at OpenAI. The question of whether an AI-generated proof can be Fields Medal-worthy is now live - and it's going to get bigger.

The great compression. OpenAI cut Luna's price 80% in three weeks; Anthropic released Opus 5 at half Fable's per-token cost; Google Gemini 3.6 Flash undercut Kimi K3 on cost per task. Open-weight models (GLM 5.2, Kimi K3) now perform within one standard deviation of GPT-5.6 Sol on clinical/regulatory benchmarks at one-third the price. The cost floor for capable AI dropped 3-4x in this cycle. Every application budget argument that was "too expensive" needs updating.

Enterprise agent infrastructure is being standardized. DoorDash published its architecture for governing 200+ MCP servers through a single agent gateway. OpenAI launched a ChatGPT Ads campaign type that routes searchers into live Business Agent conversations. Stripe's internal Kai platform queries data warehouses, researches accounts before sales calls, and handles compliance reviews at company-wide scale. The pattern: a governance/routing layer between agents and tools is becoming the enterprise infrastructure bet of 2026.

Chinese labs maintained release tempo. Qwen 3.8-Max (2.4T params, near-Fable claims, open weights promised), DeepSeek V4 Flash (agentic retraining, DSpark speculative decoding), and MiniMax H3 (2K video, stereo audio, open weights) all shipped in this four-day window. Three different Chinese labs, three different technical bets, none of them slowing down.

In this episode

• OpenAI's Astra Solves 10 Long-Standing Open Problems in Mathematics
• The Frontier AI Price Wars Hit a New Level - Luna Down 80%, Opus 5 at Half of Fable
• Qwen 3.8-Max: Alibaba's 2.4-Trillion-Parameter Model Is Available, Open Weights Coming
• DeepSeek V4 Flash Gets Agentic Retraining and DSpark Speculative Decoding
• DoorDash Published Its Architecture for Governing 200+ AI Agent Tool Connections
• OpenAI Launched a ChatGPT Ad Campaign Type That Routes Users Into a Live Business Agent
• Stripe's Kai Shows What Mature Internal AI Deployment Actually Looks Like
• Open-Weight LLMs Reach Accuracy Parity with Proprietary Models on Clinical Benchmarks
• Wiz Research Bypasses Azure Cosmos DB's Sandbox - Code Execution on the DB Gateway
• Thinking Machines Ships Inkling-Small - Efficient MoE with Mira Murati's Multimodal Stack
• Fields Medal Winner Jacob Tsimerman Joins OpenAI - "Terrified of AI" and Starting Monday
• MiniMax H3: Open Multimodal Model Generates 15-Second 2K Video with Native Stereo Sound
• Microsoft's MAI Realtime Voice: Full-Duplex Native Voice Model Surfaces in Playground