Sonnet 5.5 Works Best When the Job Has an Exit Condition
Three practical workflows for Claude Sonnet 5.5, explicit effort settings, and a disciplined handoff to Opus 5.5 when the problem needs sustained judgment.
LPlutonous7 min read
Latest Analysis
Fast reads on model releases, compute strategy, policy pressure, and the companies fighting over the AI stack.
Claude Opus 5.5
Claude Opus 5.5: Separating the 40% Savings Claim from the 20% Token Price Cut
Opus 5.5 lowers standard token prices by 20%, while Anthropic estimates 40% lower costs for typical tasks. The difference matters for budgets and API migrations.
6 min read
GPT-6 Sol
GPT-6 Sol and Luna: The Price of Choosing the Right Model
OpenAI's September 22 launch creates a 100-to-1 gap between Astra and Luna API token prices. A practical guide to routing, caching and measuring completed work.
7 min read
Xiaomi
MiMo-V2.6 Pro Opens Its Weights. Deployment Is Still an Infrastructure Decision
Xiaomi's 1.02-trillion-parameter MiMo-V2.6 Pro brings MIT weights and an open RL stack. Its serving recipes reveal the real cost of independence.
6 min read
Claude Code
Claude Code Weekly Limits After September 14: What Actually Changed
Anthropic ended a 50% Claude Code weekly-limit promotion and kept a permanent 25% uplift. The practical change is smaller than a '25% cut' headline suggests.
5 min read
OpenRouter
OpenRouter Batch API: Half-Price Inference Has a Deadline, a Data Trail, and a Catch
A worked guide to OpenRouter Batch API costs, deadlines, ambiguous submissions, result reconciliation and data retention.
6 min read
Apple
Siri AI Is Missing in the EU on iOS 27. Here Is the Availability Test
A precise check for Apple Intelligence, Siri AI, language, device, platform and EU availability before you expect the new assistant.
6 min read
Apple Intelligence
Does Apple Intelligence Work Offline? Where Your iPhone Sends the Request
Separate on-device AI, Private Cloud Compute and ChatGPT. Check what works offline, inspect Apple's request report and understand iOS 27 availability.
11 min read
Claude
Claude Prompt Caching: When Five Minutes Beats One Hour
Calculate Claude prompt caching's break-even point, choose a TTL from actual reuse, and diagnose misses without confusing API savings with subscription limits.
10 min read
DeepSeek
DeepSeek V4.1 Flash Migration: The API Contract Checklist Agents Need
DeepSeek V4.1 Flash changed aliases, vision support and API behavior. Use this migration checklist to test cache boundaries, tool reasoning, output limits and user isolation.
11 min read
METR
METR Time Horizons Explained: What 50% Reliability Actually Buys
METR's time horizon measures human task difficulty, not an agent's unattended runtime. Here is how to read the uncertainty and design a business acceptance test.
11 min read
OpenRouter
OpenRouter Free Models: Limits, Privacy and Fallbacks Explained
What OpenRouter's 50 and 1,000 daily free-request limits actually buy, why paid and free privacy settings differ, and how to avoid surprise fallback costs.
10 min read
GPT-6 Astra
Astra's Access Problem Is Becoming an Infrastructure Business
The most-read Astra stories are not only about intelligence. They are about shared allowances, queue design and who gets dependable access to a frontier model.
13 min read