Terminal-Bench 2.1 vs 4.0: what changed?
Why coding-agent scores change across benchmark versions, how harnesses affect results, and what the available 2.1 data can—and cannot—tell you.
Nov 2, 2026 · 8 min readModel analysis, benchmark guides and practical advice for builders.
Choose real tasks, control the harness, review patches, and measure the cost and reliability of accepted changes.
Read articleWhy coding-agent scores change across benchmark versions, how harnesses affect results, and what the available 2.1 data can—and cannot—tell you.
Nov 2, 2026 · 8 min readMuse Glimmer puts Apache 2.0 weights back inside Meta’s comeback. Spark is chasing the frontier; Glimmer is bringing agents home.
Aug 10, 2026 · 18 min readThe definitive guide to Moonshot AI's 2.8T model: verified specifications, benchmark caveats, $3/$15 API pricing, 1M context, architecture, access, code examples, and who should use it.
Jul 20, 2026 · 24 min readOpen weights are roughly four months behind the aggregate frontier. Across coding, agents, reasoning, cost, privacy, and deployment, that average hides the decision that actually matters.
Jul 16, 2026 · 15 min readSWE-bench, Terminal-Bench, LiveCodeBench, and SciCode rank different jobs. A practical guide to choosing the benchmark that matches the code you need written.
Jul 16, 2026 · 14 min readPrice per token ignores retries and review. Learn to calculate the cost of an accepted change without combining unrelated benchmark results.
Jul 16, 2026 · 12 min readArtificial Analysis Intelligence Index v4.1 changes the model-selection question from "which model is smartest?" to "what does a completed agent task cost?" A data-backed guide to Agentic Index, cost per task, cache pricing, Terminal-Bench 2.1, τ³-Bench Banking, and GDPval-AA v2.
Jun 16, 2026 · 13 min readAfter April broke the ceiling (GPT-5.5 at 60.24, Opus 4.7, DeepSeek V4, Kimi K2.6), May went quiet on scale and loud on architecture. SubQ shipped the first commercial subquadratic LLM with a 12M context. Zyphra dropped an 8B MoE trained on AMD. OpenAI made GPT-5.5 Instant the new ChatGPT default.
May 13, 2026 · 14 min readA long letter on why I built AI Bottlenecks. EUV machines, indium phosphide wafers, CoWoS slots, gas turbines, and the four physical chokepoints gating the 2026 to 2030 AI buildout. The constraint is never at the loud end of the stack.
May 5, 2026 · 15 min readA synthesis of Artificial Analysis's 2025 Year-End State of AI report. Reasoning models took the leaderboard, the cost of intelligence collapsed 100x, coding agents went mainstream, and the frontier got more contested — not less.
May 5, 2026 · 14 min readDeepSeek V4-Pro and V4-Flash just dropped. 1.6T MoE, native 1M context, MIT weights, trained on Huawei Ascend. Priced at ~1/20th of Opus 4.7. The model Jensen warned about eight days ago on Dwarkesh — live on Hugging Face.
Apr 24, 2026 · 17 min readMoonshot AI just shipped Kimi K2.6. 1T parameters, 262K context, 4,000 tool calls in a single run, and benchmarks that put it shoulder to shoulder with GPT-5.4 and Claude Opus 4.6.
Apr 21, 2026 · 11 min readClaude Mythos is locked behind a 50-company firewall. GLM-5.1 beat GPT-5.4 on coding under MIT license. Gemma 4 went Apache 2.0. The full breakdown of AI's first week of April.
Apr 8, 2026 · 18 min readGPT-5.4 matched Gemini 3.1 Pro within 0.01 points. NVIDIA unveiled trillion-parameter infrastructure. Anthropic clashed with the Pentagon. Nine text models shipped, seven open-weight. Full breakdown.
Mar 24, 2026 · 14 min readGoogle pushed a mid-cycle update to Gemini 3 Pro on February 11. We measured every benchmark delta: +4.2pp on SWE-Bench, +5.2pp on AIME 2025, #1 on LM Arena. Here is what changed and who should switch.
Feb 20, 2026 · 16 min readAI is not destroying jobs. It is exposing that most white-collar work was never truly meaningful. The K-shaped economy is splitting fast, agents are hiring humans, and the next 2-3 years decide which side you land on.
Feb 16, 2026 · 18 min readA data-driven DeepSeek hub that connects benchmarks to provider reality: pricing, speed, and time to first token across hosts.
Jan 15, 2026 · 12 min readA MiniMax hub for builders. Understand M1 vs M2 vs M2.1 and compare providers by price, speed, and time to first token.
Jan 15, 2026 · 12 min readThe narrative around AI has long revolved around compute power. As we enter 2026, a quieter shift is underway. Memory, not chips, is becoming the constraint.
Jan 8, 2026 · 22 min readTwelve months ago, we were debating whether AI could reason. Now we're debating who owns the reasoning.
Dec 26, 2025 · 22 min readDeepSeek V3.2 hit 96% on AIME 2025. Xiaomi dropped a frontier model. GLM-4.7 claimed the coding crown.
Dec 26, 2025 · 18 min readOpenAI declared "Code Red" in December 2025. China's 15 open-weight models, the efficiency revolution, and custom silicon converged.
Dec 3, 2025 · 14 min readAnalysis of 114 models reveals a market in transition: benchmarks saturating, open-weight matching proprietary at 10x lower cost.
Dec 3, 2025 · 16 min readThe AI arms race explodes in November 2025 with three frontier releases in 12 days. Benchmarks, pricing, and where each dominates.
Nov 25, 2025 · 18 min readMoonshot AI's open-weight MoE takes on OpenAI's proprietary GPT-5.1. Architecture, benchmarks, pricing.
Nov 18, 2025 · 15 min readMoonshot AI's K2 Thinking lands a 67 on Artificial Analysis, sets agentic records, proves open weights compete on reasoning.
Nov 2025 · 13 min readDeepSeek V3.1, Qwen3-235B, GLM-4.6 - performance benchmarks, pricing, and deployment insights.
Oct 2025 · 18 min readLessons from Andrej Karpathy: model collapse, low-entropy outputs, and how to push past the slop.
Oct 2025 · 10 min readZ.ai's GLM-4.5 hybrid reasoning vs Moonshot AI's Kimi-K2 1T parameter architecture.
Aug 12, 2025 · 12 min readZ.ai's GLM-4.5 vs Alibaba's Qwen3-235B with massive parameter count and FP8 optimization.
Aug 12, 2025 · 15 min read