GPT-5.1
GPT-5.1 is OpenAI's November 2025 coding and agentic flagship with 400K context, configurable reasoning effort, and 76.3% on SWE-bench Verified.
Articles Tagged "Reasoning"
Kimi K2.7-Code
Moonshot AI's Kimi K2.7-Code is a 1T-parameter open-weight MoE coding model with mandatory thinking mode, 256K context, and 30% fewer reasoning tokens than K2.6.
Microsoft MAI Models: Seven-Model Suite Reviewed
A hands-on review of all seven MAI models - from the April transcription and image launch to Build 2026's MAI-Thinking-1, MAI-Code-1-Flash, and the multimodal upgrades.
MAI-Thinking-1
Microsoft's first in-house reasoning model, a 35B-active sparse MoE with 256K context, 97% on AIME 2025, and no distillation from third-party labs.
Context Overload, Memory Leaks, and Agent Safety
Three new arXiv papers expose how context bloat tanks agent performance, agent memory bleeds private data, and misaligned behavior spreads through multi-agent systems.
Claude Opus 4.8 Leads SWE-Bench Pro, Adds Parallel Agents
Anthropic's Claude Opus 4.8 scores 69.2% on SWE-bench Pro and ships hundreds of parallel subagents in Claude Code, with pricing unchanged at $5 per million input tokens.
NVIDIA Ships Nemotron 3 Ultra - 550B Open-Weight MoE
NVIDIA's 550B Nemotron 3 Ultra, released June 4, tops the US open-weight leaderboard with a hybrid Mamba-Transformer MoE architecture and 300-plus tokens per second throughput.
AI Attachment, Smarter Spending, and Cascading RAG Errors
Three new papers tackle how routine AI use quietly rewires emotional habits, how to spend compute where failures cost most, and why agentic RAG errors compound before anyone notices.
When to Stop - Overthinking, Handoffs, and Abstention
Three new papers show that AI agents fail not by doing the wrong thing, but by doing things when they should have stopped.
Claude Opus 4.8 Review: Reliability Over Raw Scores
Claude Opus 4.8 sets new highs on SWE-bench Pro and long-context tasks while a 4x improvement in code flaw detection may matter more than any benchmark number.
Reasoning Leaks, Hard Limits, and Self-Aware LLMs
Three new papers expose how reasoning traces can be extracted from supposedly hidden model internals, where chain-of-thought hits an architectural ceiling, and how RL teaches models to know when to quit.
Cut CoT Costs, Fix Agent Memory, Test Clinical AI
Three papers: smarter CoT trimming cuts reasoning length by 50%, a plug-in context manager rescues frozen agents on long tasks, and a 960K-item clinical benchmark exposes LLM gaps in hospitals.
