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AI Strategy

Gemini 4 Argon Is Live. Here's Who Actually Gets It

Pro and Ultra subscribers can use Argon in the Gemini app. Developers have paid API access. The catches are separate billing, different coding-tool entitlements and an introductory price that ends November 30.

The Change Brief

Get the week’s AI changes in one clear read

Pricing moves, tool launches, free-tier changes and practical stack updates, filtered for people who actually use these tools.

Stay ahead of AI without following it all day. We’ll send you what matters each week.

Guides & comparisons

Choosely Chimp

Choosely’s take

Haiku 5.5 vs GPT-6 Luna: same token price, different task cost

Test Haiku for bounded work in an existing Claude workflow; start with Luna when requests regularly exceed 100,000 input tokens. Measure cost per accepted task at the lowest effort that meets your quality bar.

Read our full recommendation →
49.8/ 100

Choosely research

AI Progress Index

Right now, reasoning is ahead of real-world work, which is why AI can sound ready before it can reliably finish the job.

Reviewed

Reasoning
78.9
Real-world work
25.7
Autonomy
46.2
Explore the Index & methodology →

Reports

20 Verified AI-Tool Changes That Mattered in September 2026

Twenty material AI-tool changes verified for September 2026, spanning frontier models, access, agents, voice, subscription plans, governance and retirement.

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Most visited tool pages

Browse all tools →

Based on recorded tool-page visits over the last 28 days. Updated hourly.

Browser Use

Open-source browser-agent framework and cloud API for agents that need to operate websites, control browsers, and complete web tasks programmatically.

Explore Browser Use →

Nanonets

Document AI and process automation platform for extracting structured data from messy invoices, receipts, orders, forms, and operational PDFs before handing the data to ERP or workflow systems.

Explore Nanonets →

OpenSEO

Open-source SEO platform for keyword research, competitor and backlink analysis, rank tracking, site audits, Search Console data, and MCP-based agent workflows.

Explore OpenSEO →