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AI Model & API Guides

Source-linked guidance for AI models, API integration, and developer workflows—turning fast-changing prices, quotas, capabilities, and limits into decisions you can verify.

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534 articles
6 languages
12 topics
Updated Oct 25, 2026

DeepSeek V4.1 Flash vs GLM-5.3-Flash cost per AA task: $0.13 off-peak, $0.26 at DeepSeek peak, $0.28 for GLM

LatestModel Comparisons

DeepSeek V4.1 Flash vs GLM-5.3-Flash: Which Is Cheaper, and When

Both list $0.15 per 1M input. Off-peak, DeepSeek V4.1 Flash wins on agent loops and short calls; at its weekday peak, GLM-5.3-Flash often costs less.

Oct 25, 202617 min

Kimi K3.1 Pro vs Claude Opus 5.5: $2/$10 per million tokens against $4/$20, but $2.11 per task against $1.82 for Opus at high

Model Comparisons

Kimi K3.1 Pro vs Claude Opus 5.5: Half per Token, Not per Task

K3.1 Pro's $2/$10 is half of Opus 5.5's $4/$20 per token, yet at Kimi's default max effort a task can cost as much as Opus. Set effort before you switch.

Oct 25, 202618 min

Kimi K3.1 Pro and Gemini 4 Argon both at $2 input and $10 output per million tokens through November 30, 2026, with Argon at $4 and $20 from December 1

Model Comparisons

Kimi K3.1 Pro vs Gemini 4 Argon: Same Price Only Until Dec 1

Both list at $2/$10 per 1M tokens through November 30, 2026, then Argon doubles. K3.1 Pro leads terminal coding and long context; Argon leads factual recall.

Oct 25, 202614 min

Kimi K3.1 Pro vs GPT-6.1 Sol: both list at $2/$10, but K3.1 Pro costs $2.11 per task against $0.72 for Sol at max effort

Model Comparisons

Kimi K3.1 Pro vs GPT-6.1 Sol: Same $2/$10, 3× the Cost per Task

Both list at $2/$10 per million tokens, but Artificial Analysis puts K3.1 Pro at $2.11 per task against $0.72 for Sol at max. Pick by workload, not list price.

Oct 25, 202617 min

MiniMax M3.1 Flash size at a glance: 428B parameters with 23B active, a 252.4 GB official repo, and the 220B Hugging Face label

Developer Tools & Agents

MiniMax M3.1 Flash Size: 428B Params, 252 GB on Hugging Face

MiniMax M3.1 Flash has 428B parameters (23B active) and a 252.4 GB official download. “Flash” means 4-bit experts, not a smaller model than M3.

Oct 25, 202615 min

DeepSeek V4.1 Flash at $0.15/$0.60 per million tokens next to Kimi K3.1 Pro at $2/$10, with K3.1 Pro costing 9–28× as much per job

Model Comparisons

DeepSeek V4.1 vs Kimi K3.1: Flash vs Pro and a 9–28× Cost Gap

DeepSeek V4.1 exists only as Flash and Kimi K3.1 only as Pro: budget vs flagship. At list prices K3.1 Pro costs 9–28× as much per agent or document job.

Oct 24, 202614 min

Antigravity #3501 has six causes: reset a cached enterprise sign-in, expect it in Gemini Code Assist since June 18, and send a report if every account fails without a VPN

Troubleshooting

Antigravity #3501 "You Do Not Have a Valid License": 6 Causes

Antigravity #3501 on a personal account: reset the cached enterprise sign-in first. If every account fails with no VPN, it's a region or account block.

Oct 23, 202613 min

ChatGPT Chrome extension not working: three kinds of failure, an app-to-Chrome link with a local fix, a region or workspace gate with no local fix, and the October 15 rollout wave with no fix yet

Troubleshooting

ChatGPT Chrome Extension Not Working: Match the Message to a Fix

Most failures sit between the extension and the ChatGPT desktop app, not Chrome. A Web Store "This item is not available" is a region gate with no local fix.

Oct 23, 202631 min

Git is required for local sessions in the Claude desktop app: update Windows builds below 1.49585.0, only Worktree needs Git on 1.49585.0 and later, and the variable must point to bash.exe, not git.exe

Claude Code

Claude Code "Git Is Required for Local Sessions" Error: 4 Causes

Windows builds of the Claude app before 1.49585.0 wanted Git for every local session, so update first. On current builds only Worktree sessions need Git.

Oct 23, 202610 min

Claude Code

How the Claude Code Team Does Code Review: What You Can Copy

AI reviews every Claude Code PR, and humans approve by risk: none, one or two. Local /code-review copies part of it on any plan, but it skips REVIEW.md.

Oct 23, 202621 min

Codex Work mode needs a ChatGPT sign-in: on an API key every send fails, Codex mode sends again, and a ChatGPT sign-in with relay routing keeps Work

Troubleshooting

Codex “Work browser access requires an authenticated account” Fix

Codex desktop blocks every message in Work mode when it has no ChatGPT sign-in. Switch the mode menu back to Codex, or sign in with ChatGPT to keep Work.

Oct 23, 202610 min

Gemini 4 Argon vs 3.8 Flash: 2.67x per token but about 1.6x per task, widening to 5.33x and 3.2x in December 2026

Model Comparisons

Gemini 4 Argon vs 3.8 Flash: Cost per Task and When to Switch

Gemini 4 Argon lists at 2.67x 3.8 Flash per token, but on five same-prompt calls it cost 1.57x as much through Nov 30, 2026, and 3.15x in December.

Oct 23, 202617 min

How to install Gemini CLI with npm on macOS, Windows and Linux and choose a login that still works

Developer Tools & Agents

How to Install Gemini CLI (2026): Setup and Which Login Works

Install Gemini CLI 0.65.0 with npm and Node.js 20+. Personal Google sign-in stopped working June 18, 2026: use a paid API key, Vertex AI or Antigravity CLI.

Oct 23, 202621 min

July 2026 route board for 16GB VRAM local coding LLMs showing gpt-oss-20b as the safe default, Qwen3.6 low-bit, Gemma 4 E4B, and a stop rule

Developer Tools & Agents

Best Local Coding LLM for 16GB VRAM: gpt-oss, Qwen3.8, Gemma 4

For a 16GB VRAM GPU, start with gpt-oss-20b. Try Qwen3.8-27B only as a 3-bit file with a q8_0 cache, and use Gemma 4 12B when you need long context.

Oct 22, 202625 min

October 1, 2026 entry-price comparison of three agents: ChatGPT dots, Meta Muse, and Grok Bot

Claude & Anthropic

ChatGPT Dots vs Meta Muse vs Grok Bot vs Claude Duet: Entry Costs

Meta Muse starts free, Claude Duet comes with $20 Claude Pro by US waitlist, Grok Bot now starts at $30 for new customers, and ChatGPT dots need $100 Pro.

Oct 22, 202626 min

Decision map for checking the billing provider, payment stage, eligibility, charge status, and one safe next action

ChatGPT & OpenAI

ChatGPT Payment Declined: Payment Was Not Approved, Card Declined

“Payment was not approved.” and “Your card has been declined.” say a ChatGPT payment failed, not why. Check who bills you, the stage, and any charge first.

Oct 22, 202617 min

Claude Code

Claude Code Max Account Banned After Recharge? Appeal and Refund

A ban after paying for Claude Max usually existed before the charge. Appeal at claude.ai/restricted while logged in and request any refund separately.

Oct 22, 202625 min

Claude Code

Claude in Chrome Extension: Install and Connect It to Claude Code

Claude in Chrome, also called Claude for Chrome, connects to Claude Code via claude --chrome, /chrome, or @browser in VS Code. It needs a paid plan and /login.

Oct 22, 202618 min

Claude verification guide showing phone, ID, payment, and enforcement as separate branches

Claude & Anthropic

Claude KYC Verification: Phone, ID, Payment, Age, and Bans

Claude has no single KYC step: every new account verifies a phone, some get a Persona ID-and-selfie check, Yoti handles age checks, and none lifts a ban.

Oct 22, 202618 min

Two Codex Browser disabled messages compared: the in-chat Work settings message fixed by a full quit and new chat, and the Settings → Browser message traced through the log reason

Troubleshooting

Codex Browser Disabled Even When Enabled: 2 Messages, 2 Fixes

Browser on but Codex says it is disabled? Fully quit and reopen the ChatGPT app, continue in a new chat, then check Work preferences → Local browser use.

Oct 22, 202611 min

Gemini 3.1 Pro thinking levels cover with LOW, MEDIUM and HIGH cards and their thinking_level settings

Gemini & Google AI

Gemini 3.1 Pro Thinking Levels: Low vs High, Defaults, Gemini 4

Gemini 3.1 Pro takes thinking_level low, medium, or high and defaults to high; minimal errors. Gemini 4 Argon defaults to medium, the Gemini app to Low.

Oct 22, 202621 min

API Pricing & Plans

Grok Bot X Subscription Pricing: $30 Minimum, Not the $8 Plus

New customers get Grok Bot only on The X Subscription Premium ($30/mo or $300/yr) or higher. Plus and Free exclude it; tax and top-ups cost extra.

Oct 22, 202615 min

Codex-generated route board for setting up DeepSeek on Janitor AI without mixing proxy URL, API key, and model name

API Guides

How to Set Up DeepSeek on Janitor AI: Proxy URL, Model Name, Key

For DeepSeek in Janitor AI, enter https://api.deepseek.com/chat/completions and the model deepseek-flash. deepseek-chat was discontinued on July 24, 2026.

Oct 22, 202616 min

OpenAI API credits expired: a $0 balance with credit_balance_exhausted, a one-year expiry on each top-up with no extension, and a next top-up sized to 12 months of use

API Guides

OpenAI API Credits Expire After One Year: Check Each Purchase

OpenAI API credits expire a year after each purchase and can't be extended. Expired credits return only for billing errors, unauthorized use, or OpenAI faults.

Oct 22, 202615 min