SevenTnewS

LLMs & Models

Large language models: GPT, Claude, Gemini, Mistral and open weights.

34 published articles

Featured3 min read

AI Research

The verification horizon: why verifying coding agents is now harder than building them

A classical intuition holds that verifying a solution is easier than producing one. For today's coding agents, that intuition has inverted: generating complex solutions is now easy. The hard part is reliably verifying them.

2026-07-05

1 min read

Artificial Intelligence

MiniMax's new M2.5 coding model tops the benchmark at 5% of the price

MiniMax's M2.5 model tops the Multi-SWE-Bench coding benchmark, beats mainstream models on workspace tasks, and costs a tenth to a twentieth of competitors. Open-source weights are on HuggingFace.

2026-07-04

4 min read

AI Research & Development

Ma Jiaqi taught MiniMax engineers a hard lesson about forgotten tokens

MiniMax's internal investigation into why its M2 model couldn't output the name 'Ma Jiaqi' revealed a structural mismatch between pre-training vocabulary and post-training data distribution. The root cause: low-frequency tokens' lm_head vectors drift during SFT, losing generation ability while retaining understanding. A full-vocabulary coverage fix resolved the issue and also mitigated language mixing in Japanese.

2026-07-04

2 min read

Artificial Intelligence

Microsoft's Phi-4 Model Redefines Efficiency in Breakthrough Research

Microsoft's Phi-4 model achieves state-of-the-art efficiency, matching larger models in reasoning tasks with significantly fewer parameters. Published on May 15, 2025, the research paper reexamines assumptions about scaling laws in AI.

2026-07-03

2 min read

Tokenizer-Free Architecture

Aleph Alpha unveils T-Free: a tokenizer-free architecture for sovereign AI

Aleph Alpha unveils T-Free, a tokenizer-free LLM architecture that maps words directly to vectors. The approach delivers nearly seven characters per vector versus the typical four, cutting costs and energy use while improving performance on specialized domains and low-resource languages.

2026-07-03

Featured4 min read

Artificial Intelligence

OpenAI's GPT-Live finally stops waiting for you to finish talking

OpenAI's GPT-Live introduces full-duplex audio so the AI can listen and speak at the same time. It can say 'mhmm', wait during pauses, and hand off complex reasoning to GPT-5.5 in the background, keeping the conversation flowing.

2026-07-01

3 min read

effective context, output ceilings, and the hidden tax of long windows

Your AI model says it can read 1 million tokens. It's lying. Here's the real math.

All four frontier LLMs advertise 1M+ token contexts, but effective recall, output limits, and real-world cost differ sharply. DeepSeek V4 Pro leads in output ceiling and cost, Gemini excels under 200K tokens, and Claude Opus wins on caching for interactive code review. This analysis breaks down the numbers from April 2026.

2026-06-30

4 min read

Open-source framework

Stanford just made local AI agents work, and made the cloud look optional

OpenJarvis 1.0 from Stanford's Hazy Research and Scaling Intelligence labs runs personal AI agents locally via Ollama, with cloud access as an optional add-on. It ships with presets for morning briefings, cross-document research, and local code assistants, all while tracking energy cost and latency beside accuracy.

2026-05-28

4 min read

AI Safety Research

AI models can't stop thinking out loud. That's both good news and a nightmare for safety.

Claude Sonnet 4.5 can control its chain-of-thought only 2.7% of the time, versus 61.9% for final outputs. The gap raises open questions about the robustness of CoT monitoring as a safety mechanism, and nobody knows why it exists.

2026-03-09

2 min read

Image Editing

Reddit users built an image editor that beats the labs at their own game

RealEdit, a dataset of 48K real-world image editing requests from Reddit, shows that current models underperform on authentic user tasks. A model trained on this data beats competitors by up to 165 Elo points, and it also boosts deepfake detection accuracy by 14 percentage points.

2025-05-01

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